WO2022129477A1

WO2022129477A1 - Composition comprising aqueous gelling agents, a surfactant, oils, fillers and ascorbic acid

Info

Publication number: WO2022129477A1
Application number: PCT/EP2021/086412
Authority: WO
Inventors: Muriel ISOIR-INGREZ; Sandrine THEROUIN-KOELY; Pamella WANG
Original assignee: L'oreal
Priority date: 2020-12-18
Filing date: 2021-12-17
Publication date: 2022-06-23
Also published as: FR3117799A1; EP4262733A1; FR3117799B1; CN116710047A

Abstract

The present invention relates to a composition comprising an aqueous phase gelled with at least 1.5% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2- acrylamido-2-methylpropanesulfonic acid homopolymer, a fatty phase comprising a volatile hydrocarbon-based oil, a non-volatile hydrocarbon-based oil chosen from fatty amides, and a non-volatile hydrocarbon-based oil chosen from isononanoic acid esters, synthetic ethers containing from 10 to 40 carbon atoms and/or carbonates, a surfactant chosen from glycerol esters, a filler chosen from amino acid powders and solid cellulose beads; and at least 5% by weight of ascorbic acid and/or a derivative thereof, relative to the total weight of the composition.

Description

Title: Composition comprising aqueous gelling agents, a surfactant, oils, fillers and ascorbic acid

Technical field

The present invention relates to the field of caring for and/or making up keratin materials, in particular to the anti-ageing care of keratin materials, notably of the skin.

For the purposes of the present invention, the term “keratin materials” notably denotes the skin, the lips and/or the eyelashes, in particular the skin and/or the lips, and preferably the skin of the body and/or the face, and more preferentially of the face.

Skin ageing results from the effects of intrinsic and extrinsic factors on the skin. During the ageing process, a detrimental change in the structure and functions of the skin appears. The main clinical signs due to these modifications of the skin metabolism are the appearance of wrinkles and fine lines, the cause of which is a slackening and loss of the elasticity of the tissues.

Moreover, intrinsic ageing, which brings about the changes of the skin, notably causes a slowing down of the renewal of the cells of the skin, which is reflected essentially by the appearance of detrimental clinical changes, such as the reduction in the subcutaneous adipose tissue and the appearance of small wrinkles or fine lines, and by histopathological changes, such as an increase in the number and thickness of elastic fibres, a loss of vertical fibres from the membrane of the elastic tissue, and the presence of large irregular fibroblasts in the cells of this elastic tissue.

Prior art

It is known practice to introduce active agents into cosmetic and/or dermatological compositions in order to combat the signs of ageing.

For example, it has been sought for a long time to formulate ascorbic acid (or vitamin C) in the cosmetic and dermatological fields, in various presentation forms, due to its numerous beneficial properties, notably in large amount, for example greater than 5% by weight.

In particular, ascorbic acid stimulates the synthesis of connective tissue and notably of collagen, reinforces skin tissue defences against external attacking factors such as ultraviolet radiation and pollution, compensates for vitamin E deficiency in the skin, depigments the skin and has a free-radical-scavenging function. On account of its properties, ascorbic acid is efficient for combating the signs of ageing of the skin, for example for improving the radiance of the complexion and fading out wrinkles and/or fine lines in the skin.

Unfortunately, these active agents are often unstable in oxidizing medium and thus very sensitive to certain environmental parameters, for instance light, oxygen and water. Rapid degradation of these active agents thus follows when they are in contact notably with one of these parameters, which runs counter to the desired efficacy.

In addition, it remains very difficult to use them in large amounts, notably greater than 5% by weight, while at the same time conserving satisfactory sensory results.

Specifically, compositions containing a large amount of ascorbic acid may have certain drawbacks, including that of affecting the sensory properties of the products by notably producing undesired effects.

In particular, compositions containing a large amount of ascorbic acid may show negative changes in the sensory properties of the products, by producing a tacky and/or shiny, coarse or dragging effect on the skin, and a lack of freshness and of comfort.

Moreover, the sensory properties of a cosmetic bodycare formulation are characterized by several criteria, among which mention may be made of the softness sensation afforded to the user during the application of the composition to the skin, but also the “soaping” phenomenon, which is considered prohibitive. This phenomenon is characterized by the appearance of a whitish film on the skin, during the application of the formulation to the skin.

To counteract these negative effects, it is notably known practice to use silicone compounds. However, this technical solution has the drawback of introducing constituent ingredients of the cosmetic formulations that are not desired by consumers. In effect, the current consumer demands are tending towards favouring the absence of silicone compounds in cosmetic compositions.

Finally, it should be noted that the combination of certain active agents, notably anti-ageing active agents, can accentuate the negative changes mentioned above.

Disclosure of the invention There is thus still a need for a composition that may notably be used in the cosmetic and/or dermatological fields, containing stabilized ascorbic acid and/or a derivative thereof in large amounts, notably greater than 5% by weight, and which has improved sensory properties.

In particular, there is still a need for a composition that may notably be used in the cosmetic field, containing stabilized ascorbic acid and/or a derivative thereof in large amounts, which does not undergo soaping.

There is also still a need for a composition that may notably be used in the cosmetic field, containing stabilized ascorbic acid and/or a derivative thereof in large amounts, which affords a soft finish on application.

There is also still a need for a composition containing stabilized ascorbic acid and/or a derivative thereof in large amounts, which affords a good level of sensory pleasantness, notably in terms of consistency and comfort, or even of freshness, with a substantial reduction in the greasy residue, in the tacky effect, in the coarse effect and/or in the shiny effect on the skin.

Finally, there also remains a need to have compositions that are compatible with the current consumer demands, notably regarding the environment.

The invention is specifically directed towards meeting these needs.

Summary of the invention

Thus, according to a first of its aspects, the present invention relates to a composition, notably a cosmetic composition, in particular for making up and/or caring for keratin materials, comprising:

- at least one aqueous phase gelled with at least 1.5% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2-methylpropanesulfonic acid homopolymer, relative to the total weight of the composition;

- at least one fatty phase comprising at least (i) a volatile hydrocarbon-based oil, (ii) a nonvolatile hydrocarbon-based oil chosen from fatty amides, and (iii) a non-volatile hydrocarbon-based oil chosen from isononanoic acid esters, synthetic ethers containing from 10 to 40 carbon atoms and/or carbonates;

- at least one surfactant chosen from glycerol esters;

- at least one filler chosen from amino acid powders and solid cellulose beads; and - at least 5% by weight of ascorbic acid and/or a derivative thereof, relative to the total weight of the composition.

The inventors have found, surprisingly, that the compositions according to the invention can efficiently stabilize ascorbic acid and derivatives thereof in large amounts, optionally in combination with other active agents, while at the same time having improved sensory properties.

This is because, as emerges from the examples given below, the compositions according to the invention are stable while at the same time having organoleptic properties that are pleasant for the user. They do not undergo soaping and have a very good sensory nature: in particular, they have a soft, non-tacky and non-shiny finish.

They also advantageously make it possible to use a large number of active agents, while conserving these properties.

Advantageously, a composition according to the invention does not comprise any controversial ingredients, and in particular does not comprise any ethylenediaminetetraacetic acid (EDTA) or a derivative thereof, or any silicone compounds, or any parabens.

Thus, the compositions in accordance with the invention meet the environmental requirements and the consumer demands.

A composition according to the invention is used in particular for caring for and/or making up keratin materials, and preferably for caring for keratin materials.

Thus, according to another of its aspects, the invention also relates to a cosmetic process for making up and/or caring for, preferably caring for, keratin materials, in particular the skin and/or the lips, comprising at least one step of applying a composition according to the invention to said keratin materials.

Other features, variants and advantages of the compositions according to the invention will emerge more clearly on reading the description and the examples that follow.

Detailed description

ASCORBIC ACID AND DERIVATIVES

As mentioned previously, a composition according to the invention comprises at least 5% by weight of ascorbic acid, also known as vitamin C, and/or of a derivative thereof, relative to the total weight of the composition. In particular, a composition according to the invention comprises from 5% to 25% by weight, more particularly from 5% to 20% by weight, and preferably from 6% to 20% by weight, of ascorbic acid, also known as vitamin C, and/or of a derivative thereof, and more preferentially of ascorbic acid, relative to the total weight of the composition.

Preferably, a composition according to the invention comprises from 5% to 12% by weight of active material, and more preferentially from 6% to 11% by weight of active material, of ascorbic acid, also known as vitamin C, and/or of a derivative thereof, relative to the total weight of the composition.

More preferentially, a composition according to the invention comprises from 5% to 12% by weight of active material, and more preferentially from 6% to 11% by weight of active material, of ascorbic acid, relative to the total weight of the composition.

The ascorbic acid may be in D or L form, advantageously in L form, and analogues thereof chosen from salts thereof, preferably sodium ascorbate, magnesium or sodium ascorbyl phosphate, and glycosyl ascorbic acid.

Ascorbic acid derivatives that may be mentioned in particular include sugar esters of ascorbic acid and metal salts of phosphorylated ascorbic acid.

The sugar esters of ascorbic acid that may be used in the invention are notably glycosyl, mannosyl, fructosyl, fucosyl, galactosyl, N-acetylglucosamine and N-acetylmuramic derivatives of ascorbic acid and mixtures thereof and more especially ascorbyl-2 glucoside or 2-O-a-D-glucopyranosyl L-ascorbic acid or else 6-O-P-D-galactopyranosyl L-ascorbic acid. The latter compounds and processes for preparing them are described in particular in EP 487 404, EP 425 066 and JP5213736.

For its part, the metal salt of phosphorylated ascorbic acid is chosen from alkali metal ascorbyl phosphates, alkaline-earth metal ascorbyl phosphates and transition metal ascorbyl phosphates.

The ascorbic acid derivatives that are suitable for use according to the present invention may be chosen from the 5,6-di-O-dimethylsilyl ascorbate sold under the reference PRO-AA by the company Exsymol, the potassium salt of dl-a-tocopheryl-dl-ascorbyl phosphate sold under the reference Sepivital EPC by the company Senju Pharmaceutical, magnesium ascorbyl phosphate, sodium ascorbyl phosphate sold under the reference Stay-C 50 by the company Roche and ascorbyl glucoside sold by the company Hayashibara.

Magnesium ascorbyl phosphate is preferably used. A composition according to the invention may in particular comprise from 5% to 12% by weight of active material of ascorbic acid and/or a derivative thereof, in particular from 5.5% to 10% by weight, preferably from 6% to 9% by weight, and more preferentially from 6.5% to 7.5% by weight, relative to the total weight of the composition.

As previously indicated, the composition according to the invention comprises at least one aqueous phase gelled with at least 1.5% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2-methylpropanesulfonic acid homopolymer, relative to the total weight of the composition.

Preferably, the aqueous phase is gelled with at least 1.8% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2-methylpropanesulfonic acid homopolymer, in particular at least 1.9% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2 -methylpropanesulfonic acid homopolymer, and more preferentially at least 2% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2 -methylpropanesulfonic acid homopolymer, relative to the total weight of the composition.

Preferably, the crosslinked acrylic acid homopolymer and the 2-acrylamido-2- methylpropanesulfonic acid homopolymer are present in the composition in a mass ratio equal to 1/3.

2-Acrylamido-2-methylpropanesulfonic acid homopolymer

The 2-acrylamido-2-methylpropanesulfonic acid homopolymer that may be used in the composition according to the invention comprises 2-acrylamido-2-methylpropanesulfonic acid units of formula (I) below:

[Chem 1]

in which X⁺ is a proton, an alkali metal cation, an alkaline-earth metal cation or the ammonium ion.

As 2-acrylamido-2-methylpropanesulfonic acid homopolymer that is suitable for use in the invention, mention may be made, for example, of crosslinked or non-crosslinked homopolymers of sodium acrylamido-2-methylpropanesulfonate, such as that used in the commercial product Simulgel 800 (CTFA name: Sodium Polyacryloyldimethyl Taurate), crosslinked homopolymers of ammonium acrylamido-2-methylpropanesulfonate (INCI name: Ammonium Polyacryldimethyltauramide) such as those described in patent EP 0 815 928 Bl and such as the product sold under the trade name Hostacerin AMPS® by the company Clariant.

Preferably, as 2-acrylamido-2 -methylpropanesulfonic acid homopolymers that may be used in the composition according to the invention, mention may be made in particular of crosslinked ammonium acrylamido-2-methylpropanesulfonate homopolymers (INCI name: Ammonium Polyacryldimethyltauramide), in particular the product sold under the trade name Hostacerin AMPS® by the company Clariant.

The concentration of 2-acrylamido-2-methylpropanesulfonic acid homopolymer (i.e. of active material) generally ranges from 0.05% to 10% by weight relative to the total weight of the composition, preferably from 0.1% to 8% by weight, preferably from 0.2% to 7% by weight, preferably from 0.25% to 5% by weight and even more particularly from 1% to 2% by weight.

Crosslinked acrylic acid homopolymer

The crosslinked acrylic acid homopolymer is an anionic synthetic thickening polymer.

Among the crosslinked acrylic acid homopolymers, mention may be made of those crosslinked with an allyl ether of an alcohol from the sugar series, for instance the products sold under the names Carbopol 980, 981, 954, 2984 and 5984 by the company Noveon or the products sold under the names Synthalen M and Synthalen K by the company 3 VS A.

Such acrylic homopolymers may be present in the composition in a particulate or nonparticulate form. When they are present in a particulate form, their mean size in the hydrated state is preferably less than or equal to 10 pm and even more preferentially less than or equal to 5 pm. Their mean size in the dry or non-hydrated state is preferably less than or equal to 2 pm, preferably less than or equal to 1 pm. Preferably, the acrylic acid homopolymer is present in non-particulate form.

Preferably, use is made of an at least partially neutralized acrylic acid homopolymer. The homopolymer used according to the invention is chosen in particular from sodium polyacrylates and potassium polyacrylates. Sodium polyacrylate is preferably used.

The acrylic acid homopolymer may be advantageously neutralized to a degree ranging from 5% to 80%.

As regards these acrylic polymers already neutralized before they are used, examples that may be mentioned include:

- sodium polyacrylates, in particular those sold under the name Cosmedia SP® containing 90% solids and 10% water, or Cosmedia SPL® as an inverse emulsion containing about 60% dry active material, an oil (hydrogenated polydecene) and a surfactant (PPG-5 laureth-5), both sold by the company Cognis;

- partially neutralized sodium polyacrylates, that are notably in the form of an inverse emulsion comprising at least one polar oil, for example the product sold under the name Luvigel® EM sold by the company BASF, and

- mixtures thereof.

Preferably, a composition according to the invention comprises sodium polyacrylate, in particular that sold under the name Cosmedia SP® containing 90% of solids and 10% of water, sold by the company Cognis.

Use may also be made of an acrylic acid polymer that is not neutralized beforehand, which is then partially or totally neutralized before use by any suitable means and notably by adding any base such as sodium hydroxide, potassium hydroxide or an alkanolamine such as triethanolamine. Sodium polyacrylates are obtained, for example. Potassium polyacrylates are also suitable for use in the present invention.

The neutralization step, for example with sodium or potassium counterions, is important for giving the acidic polymers their gelling properties and thus stabilization of the composition. Said acrylic polymers are converted into the corresponding acrylate polymers during this neutralization step.

The concentration of preferably at least partially neutralized crosslinked acrylic acid homopolymer (i.e. of active material) generally ranges from 0.05% to 15% by weight relative to the total weight of the composition, preferably from 0.1% to 12% by weight, preferably from 0.2% to 10% by weight, preferably from 0.25% to 5% by weight, more particularly from 0.3% to 1% by weight, and even more preferentially from 0.3% to 0.6% by weight.

According to a preferred embodiment, the crosslinked acrylic acid homopolymer is an at least partially neutralized acrylic acid homopolymer, and is preferably at least a sodium polyacrylate.

According to a particular embodiment, a composition according to the invention is free of natural or naturally sourced hydrophilic gelling agent, and in particular free of non-starchy polysaccharides.

According to a particular embodiment, a composition according to the invention is free of hydrophilic gelling agent of the type such as sodium acrylamide -2- methylpropanesulfonate/hydroxyethyl acrylate copolymer.

According to a particular embodiment, a composition according to the invention is free of hydrophilic gelling agent of the type such as hydroxy ethyl acrylate/ sodium acryloyldimethyl taurate copolymer (INCI name).

According to a particular embodiment, a composition according to the invention is free of hydrophilic gelling agent of the type such as crosslinked acrylamide/sodium acrylamido-2- methylpropanesulfonate copolymer.

According to a particular embodiment, a composition according to the invention is free of hydrophilic gelling agent of the type such as an anionic terpolymer of 2-methyl-2-[(l-oxo- 2-propenyl)amino]-l -propanesulfonic acid partially or totally salified in the form of ammonium salt, ofN,N-dimethylacrylamide and of lauryl acrylate, which is tetraethoxylated and crosslinked with trimethylolpropane triacrylate.

According to a particular embodiment, a composition according to the invention is free of hydrophilic gelling agent of the type such as ammonium acryloyldimethyl taurate steareth 25 methacrylate crosspolymer.

FATTY PHASE

A composition according to the invention comprises at least one fatty phase.

The fatty phase of the composition comprises at least (i) a volatile hydrocarbon-based oil, (ii) a non-volatile hydrocarbon-based oil chosen from fatty amides, and (iii) a non-volatile hydrocarbon-based oil chosen from isononanoic acid esters, synthetic ethers containing from 10 to 40 carbon atoms and/or carbonates.

The term “oz7” means a water-immiscible non-aqueous compound that is liquid at room temperature (20°C) and at atmospheric pressure (760 mmHg).

Preferably, the fatty phase content of a composition according to the invention ranges from 2% to 30% by weight, in particular ranges from 5% to 25% by weight, preferably ranges from 10% to 20% by weight, and more preferentially ranges from 10% to 15% by weight, relative to the total weight of the composition.

Oil (i): volatile hydrocarbon-based oil

As indicated previously, a composition according to the invention comprises at least one volatile hydrocarbon-based oil.

The term ^hydrocarbon-based oil” means an oil mainly containing hydrogen and carbon atoms.

For the purposes of the invention, the term “volatile oil” means any oil that is capable of evaporating on contact with the skin in less than one hour, at room temperature and atmospheric pressure. The volatile oil is a volatile cosmetic compound, which is liquid at room temperature, notably having a non-zero vapour pressure, at room temperature and atmospheric pressure, notably having a vapour pressure ranging from 0.13 Pa to 40 000 Pa (10‘³ to 300 mmHg), in particular ranging from 1.3 Pa to 13 000 Pa (0.01 to 100 mmHg) and more particularly ranging from 1.3 Pa to 1300 Pa (0.01 to 10 mmHg).

The volatile hydrocarbon-based oils may be chosen from volatile hydrocarbon-based oils containing from 8 to 16 carbon atoms, in particular branched Cs-Ci6 alkanes, for instance Cg-Ci6 isoalkanes (also known as isoparaffins), isododecane, isodecane, isohexadecane and, for example, the oils sold under the trade names Isopar or Permethyl, branched Cg-C 16 esters, for instance isohexyl neopentanoate, and mixtures thereof. In particular, the volatile hydrocarbon-based oil is chosen from volatile hydrocarbon-based oils containing from 8 to 16 carbon atoms and mixtures thereof.

According to a preferred embodiment, a composition according to the invention comprises at least one branched Q-Cir> alkane, and more particularly isododecane.

Mention may also be made of volatile linear alkanes comprising from 8 to 16 carbon atoms, in particular from 10 to 15 carbon atoms, and more particularly from 11 to 13 carbon atoms, for instance n-dodecane (C12) and n-tetradecane (C14) sold by Sasol under the respective references Parafol 12-97 and Parafol 14-97, and also mixtures thereof, the undecanetridecane mixture, mixtures of n-undecane (Cn) and of n-tridecane (C13) obtained in Examples 1 and 2 of patent application WO 2008/155059 from the company Cognis, and mixtures thereof

According to a preferred embodiment, the oil (i) is chosen from volatile hydrocarbon-based oils containing from 8 to 16 carbon atoms, in particular from Cs-Cie isoalkanes, and is preferably isododecane.

According to a preferred embodiment, a composition according to the invention is free of volatile linear alkane comprising from 8 to 1 carbon atoms, in particular is free of a mixture of n-undecane (Cn) and of n-tridecane (C13).

Preferably, the content of volatile hydrocarbon-based oil(s) in the composition ranges from 0.5% to 30% by weight, in particular ranges from 1% to 25% by weight, preferably ranges from 2% to 20% by weight, and even more preferentially ranges from 3% 10% by weight, relative to the total weight of the composition.

Oil (ii): non-volatile hydrocarbon-based oil chosen from fatty amides

The term “non-volatile” means an oil which remains on the keratin materials at room temperature and under atmospheric pressure for at least several hours, and of which the vapour pressure at room temperature and atmospheric pressure is non-zero and is less than 10'³ mmHg (0.13 Pa).

Among the fatty amides, mention may be made in particular of isopropyl N-lauroyl sarcosinate, for example the product sold under the trade name Eldew SL205 from Ajinomoto.

Thus, according to a preferred embodiment, the oil (ii) is isopropyl lauroyl sarcosinate.

Preferably, the content of fatty amide(s) is between 1% and 15% by weight, in particular between 2% and 12% by weight, and preferably between 4% and 6% by weight, relative to the total weight of the composition.

Oil (iii): non-volatile hydrocarbon-based oil chosen from isononanoic acid esters, synthetic ethers containing from 10 to 40 carbon atoms and/or carbonates

According to a preferred embodiment, the oil (iii) is chosen from isononanoic acid esters.

Among the isononanoic acid esters, mention may be made in particular of isononyl isononanoate, octyl isononanoate, isodecyl isononanoate, isotridecyl isononanoate and isostearyl isononanoate. Preferably, the isononanoic acid ester is isononyl isononanoate.

According to another preferred embodiment, the oil (iii) is chosen from synthetic ethers containing from 10 to 40 carbon atoms.

Among the synthetic ethers containing from 10 to 40 carbon atoms, mention may be made in particular of dicaprylyl ether, for example sold under the reference Cetiol OE by Cognis, or PPG- 14 butyl ether.

Preferably, the synthetic ether containing from 10 to 40 carbon atoms is dicaprylyl ether. According to another preferred embodiment, the oil (iii) is chosen from carbonates.

The carbonates may be chosen in particular from dialkyl carbonates, the two alkyl chains possibly being identical or different, and is preferably dicaprylyl carbonate, for example the product sold under the name Cetiol CC® by the company Cognis.

Preferably, the oil (iii) is chosen from isononyl isononanoate, dicaprylyl ether and/or dicaprylyl carbonate.

Preferably, the content of oil(s) (iii) is between 1% and 15% by weight, in particular between 2% and 12% by weight, and preferably between 4% and 6% by weight, relative to the total weight of the composition.

Additional oils

A composition according to the invention may also comprise additional oils different from the oils (i), (ii) and (iii).

These oils may be hydrocarbon-based oils, silicone oils, fluoro oils or non-fluoro oils, or mixtures thereof.

The oils may be volatile and/or non-volatile. They may be of animal, plant, mineral or synthetic origin.

The term ’'fluoro oil” means an oil comprising at least one fluorine atom.

For the purposes of the present invention, the term “silicone oil” means an oil comprising at least one silicon atom, and notably at least one Si-0 group.

Preferably, the fatty phase of a composition according to the invention comprises less than 2% by weight of silicone oil(s), in particular less than 1% by weight of silicone oil(s), preferably less than 0.5% by weight of silicone oil(s), and more preferentially is free of silicone oil(s).

The additional non-volatile oils may notably be chosen from non-volatile hydrocarbonbased, fluoro and/or silicone oils. Non-volatile hydrocarbon-based oils that may notably be mentioned include: hydrocarbon-based oils of animal origin, linear or branched hydrocarbons of mineral or synthetic origin, such as petroleum jelly, poly decenes, hydrogenated polyisobutene such as Parleam, and squalane, and mixtures thereof, non-volatile alkanes, preferably with a viscosity of less than 20 mPa.s at 20°C measured with a Rheomat RM 100® viscometer from Lamy Rheology. The term “nonvolatile alkane” means a hydrocarbon-based cosmetic oil which is liquid at room temperature, notably having a vapour pressure at 20°C of less than 0.01 kPa, according to the definition of a Volatile Organic Compound (VOC) of article 2 of European Council Directive 1999/13/EC of 11 March, 1992: “Any organic compound having, at a temperature of 293.15 K, a vapour pressure of 0.01 kPa or more”. In particular, the non-volatile alkanes comprise from 10 to 30 carbon atoms, in particular from 12 to 26 carbon atoms, and more particularly from 15 to 19 carbon atoms, and preferably a mixture of alkanes containing from 15 to 19 carbon atoms, for example the products sold under the references Emogreen L19 and Emosmart L19 from SEPPIC, hydrocarbon-based oils of plant origin, such as glyceride triesters, which are generally triesters of fatty acids and of glycerol, the fatty acids of which may have varied chain lengths from 4 to 24 carbon atoms, it being possible for these chains to be saturated or unsaturated and linear or branched; these oils are notably wheatgerm oil, sunflower oil, grape seed oil, sesame oil, com oil, apricot oil, castor oil, shea oil, avocado oil, olive oil, soybean oil, sweet almond oil, palm oil, rapeseed oil, cottonseed oil, hazelnut oil, macadamia oil, jojoba oil, alfalfa oil, poppy oil, pumpkin oil, sesame oil, marrow oil, rapeseed oil, blackcurrant oil, evening primrose oil, millet oil, barley oil, quinoa oil, rye oil, safflower oil, candlenut oil, passionflower oil and musk rose oil; or else caprylic/capric acid triglycerides, such as those sold by the company Stearinerie Dubois or those sold under the names Miglyol 810, 812 and 818 by the company Dynamit Nobel, synthetic esters, such as the oils of formula R1COOR2, in which Ri represents a linear or branched fatty acid residue including from 1 to 40 carbon atoms and R2 represents a hydrocarbon-based chain that is notably branched, containing from 1 to 40 carbon atoms, on condition that Ri + R2 is greater than or equal to 10, for instance purcellin oil (cetostearyl octanoate), isopropyl myristate, isopropyl palmitate, alkyl benzoates containing between 12 and 15 carbon atoms, such as the product sold under the trade name Finsolv TN or Witconol TN by the company Witco or Tegosoft TO by the company Evonik Goldschmidt, 2- ethylphenyl benzoate, such as the commercial product sold under the name X-Tend 226 by the company ISP, isopropyl lanolate, hexyl laurate, diisopropyl adipate, oleyl erucate, 2- ethylhexyl palmitate, isostearyl isostearate, diisopropyl sebacate such as the product sold under the name Dub Dis by the company Stearinerie Dubois, alcohol or polyalcohol octanoates, decanoates or ricinoleates, such as propylene glycol dioctanoate; hydroxylated esters, such as isostearyl lactate, diisostearyl malate; and pentaerythritol esters; citrates or tartrates, such as linear dialkyl tartrates containing 12 or 13 carbon atoms, for example those sold under the name Cosmacol ETI by the company Enichem Augusta Industriale, and also linear dialkyl tartrates containing between 14 and 15 carbon atoms, for example those sold under the name Cosmacol ETL by the same company, and acetates, polyol esters and pentaerythritol esters, for instance dipentaerythrityl tetrahydroxystearate/tetraisostearate, fatty alcohols that are liquid at room temperature, with a branched and/or unsaturated carbon-based chain containing from 12 to 26 carbon atoms, for instance octyldodecanol, isostearyl alcohol, oleyl alcohol, 2-hexyldecanol, 2-butyloctanol or 2-undecylpentadecanol,

C12-C22 higher fatty acids, such as oleic acid, linoleic acid, linolenic acid, and mixtures thereof, and also mixtures of these various oils.

According to a preferred embodiment, a composition according to the invention also comprises a non-volatile hydrocarbon-based oil chosen from non-volatile alkanes, and more preferentially at least a mixture of alkanes containing from 15 to 19 carbon atoms.

According to a preferred embodiment, a composition according to the invention is free of additional synthetic esters, and in particular is free of isopropyl myristate.

The other fatty substances that may be present in the oily phase are, for example, fatty acids including from 8 to 30 carbon atoms, for instance stearic acid, lauric acid, palmitic acid and oleic acid; waxes, for instance lanolin, beeswax, carnauba wax or candelilla wax, paraffin wax, lignite wax or microcrystalline waxes, ceresin or ozokerite, and synthetic waxes, for instance polyethylene waxes and Fischer-Tropsch waxes; silicone resins such as trifhioromethyl-Ci-C4-alkyl dimethicone and trifluoropropyl dimethicone; and silicone elastomers, for instance the products sold under the name KSG by the company Shin-Etsu, under the names Trefil or BY29 by the company Dow Corning, or under the name Gransil by the company Grant Industries.

Among the fatty alcohol waxes, mention may be made of lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, arachidyl alcohol, behenyl alcohol, lignoceryl alcohol, ceryl alcohol, montanyl alcohol, myricyl alcohol, and mixtures thereof.

According to a preferred embodiment, a composition according to the invention is free of fatty alcohol wax, and preferably free of cetyl alcohol.

According to a preferred embodiment, a composition according to the invention comprises at least isopropyl N-lauroyl sarcosinate.

According to a preferred embodiment, a composition according to the invention comprises at least isopropyl N-lauroyl sarcosinate and an oil chosen from isononanoic acid esters, preferably isononyl isononanoate.

According to a preferred embodiment, a composition according to the invention comprises at least isopropyl N-lauroyl sarcosinate and at least one oil chosen from isononyl isononanoate, dicaprylyl carbonate and dicapryl ether.

According to a preferred embodiment, a composition according to the invention comprises at least isopropyl N-lauroyl sarcosinate, isononyl isononanoate and a mixture of alkanes containing from 15 to 19 carbon atoms.

Preferably, the content of non-volatile hydrocarbon-based oil(s) ranges from 2% to 25% by weight, in particular ranges from 5% to 20% by weight and preferably ranges from 8% to 18% by weight, relative to the total weight of the composition.

AQUEOUS PHASE

The aqueous phase comprises water and optionally a water-soluble solvent.

According to the present invention, the term “water-soluble solvent” denotes a compound that is liquid at room temperature and water-miscible (miscibility with water of greater than 50% by weight at 25°C and atmospheric pressure).

The water-soluble solvents that may be used in the composition of the invention may also be volatile.

Among the water-soluble solvents that may be used in the composition according to the invention, mention may be made of lower monoalcohols containing from 1 to 5 carbon atoms, such as ethanol and isopropanol, glycols containing from 2 to 8 carbon atoms, such as ethylene glycol, hexylene glycol, propylene glycol, 1,3 -butylene glycol and glycerol, C3 and C4 ketones and C2-C4 aldehydes.

According to an embodiment variant, the aqueous phase of a composition according to the invention may comprise at least one C2-C32 polyol.

For the purposes of the present invention, the term “polyol” should be understood as meaning any organic molecule including at least two free hydroxyl groups.

Preferably, a polyol in accordance with the present invention is present in liquid form at room temperature.

A polyol that is suitable for use in the invention may be a compound of linear, branched or cyclic, saturated or unsaturated alkyl type, bearing on the alkyl chain at least two -OH functions, in particular at least three -OH functions and more particularly at least four -OH functions.

The polyols that are suitable for formulating a composition according to the present invention are in particular those notably containing from 2 to 32 carbon atoms, preferably from 3 to 16 carbon atoms.

The polyol may be chosen, for example, from ethylene glycol, pentaerythritol, trimethylolpropane, dipropylene glycol, propylene glycol, 1,3 -propanediol, butylene glycol, isoprene glycol, pentylene glycol, hexylene glycol, caprylyl glycol, glycerol, polyglycerols, such as glycerol oligomers, for instance diglycerol, polyethylene glycols, and mixtures thereof.

According to a preferred embodiment of the invention, said polyol is chosen from 1,3- propanediol, pentylene glycol, glycerol, polyglycerols, polyethylene glycols, and mixtures thereof.

Preferably, a composition according to the invention comprises at least one polyol, and preferably at least pentylene glycol.

According to a preferred embodiment, the composition of the invention comprises at least glycerol.

Preferably, a composition according to the invention comprises from 3% to 22% by weight of glycerol, in particular from 5% to 20% by weight, and more preferentially from 8% to 17% by weight of glycerol, relative to the total weight of the composition. Preferably, the aqueous phase is present in a composition according to the invention in a content ranging from 30% to 90% by weight, preferably from 35% to 88% by weight, and more preferentially from 45% to 85% by weight, relative to the total weight of said composition.

SURFACTANTS

As indicated previously, a composition according to the invention comprise at least one surfactant chosen from glycerol esters.

Preferably, a composition according to the invention may comprise one or more additional surfactants other than said surfactant chosen from glycerol esters.

Preferably, a composition according to the invention also comprises at least one gemini surfactant as additional surfactant.

In particular, a composition according to the invention comprises a total content of surfactants ranging from 2% to 20% by weight, in particular ranging from 3% to 18% by weight, and preferably ranging from 5% to 15% by weight, relative to the total weight of the composition.

Surfactant chosen from glycerol esters

A composition according to the invention comprises at least one surfactant chosen from glycerol esters.

The glycerol esters may be chosen from glyceryl esters of a C16-C22 fatty acid.

The fatty acid ester of glycerol may notably be obtained from an acid including a saturated linear alkyl chain containing from 16 to 22 carbon atoms.

In particular, a composition according to the invention comprises at least one glyceryl ester of a fatty acid containing 18 carbon atoms, and more particularly at least one glyceryl monoester, diester and/or triester of a fatty acid containing 18 carbon atoms.

Glyceryl esters of a Cis fatty acid that may notably be mentioned include glyceryl stearate (glyceryl monostearate, distearate and/or tristearate) (CTFA name: glyceryl stearate) or glyceryl ricinoleate, or mixtures thereof.

Preferably, the glyceryl ester of a fatty acid used is chosen from glyceryl stearates.

Preferably, the glyceryl stearate is the product sold by Ashland under the name Cera Synt SD-ISP, or else the product sold by Stearinerie Dubois under the name DUB GMS 50/50. Preferably, the glyceryl monoester, diester and/or triester of a fatty acid containing 18 carbon atoms is present in a content of between 1% and 5% by weight relative to the total weight of the composition, preferably between 2% and 4% by weight, and more preferentially between 1.5% and 3% by weight.

By way of glycerol esters, a composition of the invention may also comprise a polyglyceryl ester of a fatty acid containing from 8 to 12 carbon atoms.

Mention may be made, for example, of the following commercial products:

- Polyglyceryl-2 Caprate: Dermosoft DGMC (Dr. Straetmans); SunSoft Q-10D (Taiyo Kagaku Company, Ltd.);

- Polyglyceryl-3 Caprate: Tegosoft PC 31 (Evonik Goldschmidt GmbH);

- Polyglyceryl-4 Caprate: Glysurf 4MC (Aoki Oil Industrial Co., Ltd.); Tegosoft PC 41 (Evonik Goldschmidt GmbH);

- Polyglyceryl-5 Caprate: SunSoft A-10E (Taiyo Kagaku Company, Ltd.);

- Polyglyceryl-6 Caprate: Glysurf 6MC (Aoki Oil Industrial Co., Ltd.);

- Polyglyceryl- 10 Caprate: SunSoft Q-10S (Taiyo Kagaku Company, Ltd.); SY-Glyster MD- 750 (Sakamoto Yakuhin Kogyo) (Celless Laboratory Co., Ltd.);

- Polyglyceryl-2 Caprylate;

- Polyglyceryl-3 Caprylate: Tegosoft PC 31 (Evonik Goldschmidt GmbH);

- Polyglyceryl-4 Caprylate: Glysurf 4MC (Aoki Oil Industrial Co., Ltd.), Tegosoft PC 41 (Evonik Goldschmidt GmbH);

- Polyglyceryl-3 Caprylate: Tego Cosmo P 813 (Evonik Goldschmidt GmbH);

- Polyglyceryl-4 Caprylate: Resassol PG4C (Res Pharma S.r.l.);

- Polyglyceryl-6 Caprylate: Caprol 6GC8 (Abitec Corporation); Dermofeel G 6 CY (Dr. Straetmans); SunSoft Q-81F (Taiyo Kagaku Company, Ltd.);

- Polyglyceryl- 10 Caprylate: SY-Glyster MCA-750 (Sakamoto Yakuhin Kogyo Co., Ltd.);

- Polyglyceryl-4 Caprylate/Caprate: NatraGem SI 50 (Croda Europe, Ltd.);

- Polyglyceryl-6 Caprylate/Caprate: Tego Cosmo P 813 (Evonik Goldschmidt GmbH);

- Polyglyceryl- 10 Caprylate/Caprate: SY-Glyster MCA-750 (Sakamoto Yakuhin Kogyo Co., Ltd.);

- Polyglyceryl-2 Laurate: Dermofeel G 2 L (Dr. Straetmans); DE- 100 (Riken Vitamin Co., Ltd.); Sunsoft Q-12D (Taiyo Kagaku Company, Ltd); - Polyglyceryl-3 Laurate: Hydramol TGL Ester (Lubrizol Advanced Materials, Inc.); SunSoft A-12C (Taiyo Kagaku Company, Ltd.); SunSoft A-121C (Taiyo Kagaku Company, Ltd);

- Polyglyceryl-4 Laurate: S-Face L-401 (Sakamoto Yakuhin Kogyo Co., Ltd.); Tego Care PL 4 (Evonik Goldschmidt GmbH);

- Polyglyceryl-5 Laurate: Dermofeel G 5 L (Dr. Straetmans); SunSoft A-12E (Taiyo Kagaku Company, Ltd.); SunSoft A-121E (Taiyo Kagaku Company, Ltd);

- Polyglyceryl-6 Laurate: Nikkol Decaglyn 1-L (Nikko Chemicals Co., Ltd.); S-Face L-601 (Sakamoto Yakuhin Kogyo Co., Ltd.); SunSoft Q-12F (Taiyo Kagaku Company, Ltd);

- Polyglyceryl- 10 Laurate: Dermofeel G 10 L (Dr. Straetmans); Nikkol Decaglyn 1-L (Nikko Chemicals Co., Ltd.); Nikkol Decaglyn 1-LV EX (Nikko Chemicals Co., Ltd.); S-Face L- 1001 (Sakamoto Yakuhin Kogyo Co., Ltd.); SunSoft M-12J (Taiyo Kagaku Company, Ltd); Sunsoft Q-12S (Taiyo Kagaku Company, Ltd).

Mention may in particular be made of Polyglyceryl- 10 Laurate.

As ester of glycerol and of a fatty acid, mention may also be made of mixtures based on glyceryl stearate, such as the mixture of glyceryl stearate and of polyethylene glycol 100 OE monostearate, and in particular that comprising a 50/50 mixture, sold under the name Arlacel 165® by the company Croda, or else the product containing glyceryl stearate (glyceryl monodistearate) and potassium stearate, sold under the name Tegin® by the company Goldschmidt (CTFA name: glyceryl stearate SE).

According to a preferred embodiment, the surfactant chosen from glycerol esters is chosen from glyceryl monoester, diester and/or triester of a fatty acid containing 18 carbon atoms, and is preferably glyceryl stearate.

The surfactant(s) chosen from glycerol esters may be present in the composition in a content ranging from 0.5% to 5% by weight and preferably from 1% to 4% by weight, relative to the total weight of the composition.

Additional surfactant

According to a preferred embodiment, the composition according to the invention may also comprise at least one additional surfactant.

The additional surfactants may be chosen from nonionic, anionic, cationic and amphoteric surfactants, and mixtures thereof. Reference may be made to Kirk-Othmer’s Encyclopaedia of Chemical Technology, volume 22, pages 333-432, 3rd Edition, 1979, Wiley, for the definition of the emulsifying properties and Junctions of surfactants, in particular pages 347- 377 of this reference, for anionic, amphoteric and nonionic surfactants.

According to a preferred embodiment, a composition according to the invention also comprises at least one gemini surfactant of chemical formula (A) or a stereoisomer thereof: [Chem 2]

in which:

- Y’ independently represents a carboxylic acid group or an alkali metal salt of a carboxylic acid group, in particular a sodium salt of a carboxylic acid group,

- j 1 , kl , j2 and k2 represent an integer such that (j 1 , kl , j2, k2) = (2, 0, 2, 0), (2, 0, 0, 2), (0, 2, 2, 0) or (0, 2, 0, 2), and

- 1 represents an integer ranging from 6 to 16, preferably from 8 to 14 and more preferentially from 10 to 12.

According to a particular embodiment of the invention, in formula (A), 1 represents an integer ranging from 8 to 12, j 1 = j2 = 0, and kl = k2 = 2.

Preferably, in formula (A), Y’ represents -COONa, j 1 = j2 = 0, kl = k2 = 2, and 1 = 10.

Examples of gemini surfactants of formula (A) that may be mentioned include sodium dilauramidoglutamide lysine, sodium dimyristoylglutamide lysine and sodium distearoylglutamide lysine.

Preferably, the gemini surfactant of chemical formula (A) is sodium dilauramidoglutamide lysine.

Sodium dilauramidoglutamide lysine is in particular sold by the company Asahi Kasei Chemicals under the names Pellicer L-30 and Pellicer LB- 10. The gemini surfactant(s) of formula (A) are notably described in patent application WO 2004/020394.

The gemini surfactant(s) of formula (A) may be present in the composition in an amount of active material ranging from 0.01% to 1% by weight, and preferably from 0.01% to 0.5% by weight, relative to the total weight of the composition.

In particular, a composition according to the invention may also also comprise at least one hydrophilic surfactant chosen from mono-, di- or triesters of sucrose and of fatty acids comprising from 12 to 30 carbon atoms, preferably from 14 to 20 carbon atoms, such as stearic acid, in particular sucrose tristearate, sucrose distearate, and mixtures thereof.

Preferably, a composition according to the invention also comprises at least one hydrophilic surfactant chosen from stearic acid, sucrose tristearate, and mixtures thereof. More preferentially, a composition according to the invention comprises stearic acid and sucrose tristearate.

The lipophilic surfactant(s) chosen from mono-, di- and triesters of sucrose and of fatty acids comprising from 12 to 30 carbon atoms may be present in the composition in a content ranging from 0.5% to 5%, and preferably from 1.5% to 3% by weight, relative to the total weight of the composition.

A composition according to the invention may also comprise at least one additional nonionic surfactant, other than glycerol esters, and in particular chosen from esters of polyols and of a fatty acid with a saturated or unsaturated chain including, for example, from 8 to 24 carbon atoms and better still from 12 to 22 carbon atoms, and oxy alky lenated derivatives thereof, that is to say including oxyethylene and/or oxypropylene units, in particular chosen from esters of polyethylene glycol and of a C8-C24 fatty acid, and oxyalkylenated derivatives thereof; esters of sorbitol and of a C8-C24 fatty acid and oxyalkylenated derivatives thereof; fatty alcohol ethers; esters of a sugar and of a C8-C24 fatty acid; ethers of a sugar and of a C8-C24 fatty alcohol; and mixtures thereof.

Polyethylene glycol esters of fatty acids that may notably be mentioned include polyethylene glycol stearate (polyethylene glycol monostearate, distearate and/or tristearate), and more especially polyethylene glycol 40 OE monostearate (CTFA name: PEG-40 stearate), polyethylene glycol 50 OE monostearate (CTFA name: PEG-50 stearate), polyethylene glycol 100 OE monostearate (CTFA name: PEG- 100 stearate) and mixtures thereof. More particularly, mention may be made of polyethylene glycol 40 OE monostearate (CTFA name: PEG-40 stearate).

The hydrophilic surfactant(s) chosen from esters of polyethylene glycol and of a fatty acid may be present in the composition in a content ranging from 0.5% to 5% by weight and preferably from 1.5% to 3% by weight, relative to the total weight of the composition.

FILLERS

As indicated previously, a composition according to the invention comprises at least one filler chosen from amino acid powders and solid cellulose beads.

The term “filler” should be understood as meaning colourless or white, mineral or synthetic particles of any shape, which are insoluble in the medium of the composition, irrespective of the temperature at which the composition is manufactured.

Preferably, a composition according to the invention comprises as filler at least lauroyllysine powder, optionally in combination with boron nitride, or at least solid cellulose beads.

Preferably, a composition according to the invention comprises a total content of filler(s) ranging from 1% to 10% by weight, in particular ranging from 2% to 5% by weight and preferably ranging from 2% to 3% by weight, relative to the total weight of the composition. According to a preferred embodiment, a composition according to the invention comprises at least amino acid powder as filler.

Preferably, the amino acid powder is lauroyllysine powder. Such a filler is notably sold under the name Amihope LL-11® by the company Ajinomoto or under the name Corum 5105 S by the company Corum.

The amino acid powder, and preferably lauroyllysine, may be present in a composition according to the invention in an amount ranging from 1% to 3% by weight, better still in an amount ranging from 1.5% to 2.5% by weight, and even more preferentially in an amount ranging from 1.8% to 2.2% by weight, relative to the total weight of the composition.

According to a preferred embodiment, a composition according to the invention comprises only amino acid powder as filler, and preferably only lauroyllysine.

According to another preferred embodiment, a composition according to the invention comprises amino acid powder as filler, and preferably lauroyllysine, in combination with boron nitride. The boron nitride preferably has a number-average primary size of between 1 and 50 pm, better still between 1 and 30 pm, more preferentially between 1 and 25 pm, and even more preferentially between 1 and 10 pm.

For the purposes of the present invention, the term “primary particle size” means the maximum dimension that it is possible to measure between two diametrically opposite points of an individual particle. The size may be determined, for example, by transmission electron microscopy or by measuring the specific surface area via the BET method or else with a laser particle size analyser.

As commercial boron nitrides that may be used in a composition according to the invention, mention may notably be made of the boron nitrides sold by Saint Gobain Ceramics, notably under the names PUHP3002, PUHP3008 or PUHP1030L, or else Softouch BN CC6058 Powder from Momentive Performance Materials.

The boron nitride may preferably be present in a composition according to the invention in an amount ranging from 0.3% to 1% by weight, better still in an amount ranging from 0.2% to 0.8% by weight, and even more preferentially in an amount ranging from 0.4% to 0.6% by weight, relative to the total weight of the composition.

According to a preferred embodiment, a composition according to the invention comprises at least solid cellulose beads as filler.

The solid cellulose beads are spherical cellulose microparticles having a particle size, expressed as the particle volume-mean diameter D[4,3], ranging from 0.1 to 35 pm, preferably from 1 to 20 pm and more particularly from 8 to 15 pm.

As examples of spherical cellulose microparticles, mention may notably be made of the solid cellulose beads sold under the names Cellulobeads D-10, Cellulobeads D-5 and Cellulobeads USF by the company Daito Kasei Kogyo.

Preferably, the solid cellulose beads have a size, expressed as the particle volume-mean diameter D[4,3], of greater than 8 pm and more preferentially ranging from 8 to 15 pm.

The solid cellulose beads may be present in a composition according to the invention in an amount ranging from 1% to 4% by weight, better still in an amount ranging from 1.5% to 3.5% by weight and even more preferentially in an amount ranging from 1.8% to 3.2% by weight relative to the total weight of the composition.

A composition according to the invention may also comprise additional fillers, notably organic fillers and/or mineral fillers. In the present patent application, the term “organic filler” means any organic solid which is insoluble in the medium at room temperature (25 °C). The term “organic” means any compound or polymer whose chemical structure comprises at least one or more carbon atoms.

As organic fillers that may be used in the anhydrous composite material of the invention, mention may be made, for example, of polyamide (Nylon®) particles, polyethylene powders, acrylic copolymer-based microspheres, poly(methyl methacrylate) microspheres, ethylene/ aery late copolymer powders, expanded powders such as hollow microspheres, powders of natural organic materials, such as polysaccharide powders, silicone resin microbeads, wax microdispersion particles, and mixtures thereof.

In the present patent application, the term “mineral filler” means any mineral solid that is insoluble in the medium at room temperature (25°C). The term “mineral” refers to any compound or polymer whose chemical structure does not comprise any carbon atoms.

Mineral fillers that may be mentioned include porous spherical silica particles, porous silica microbeads, zeolites, calcium magnesium carbonate, lamellar mineral particles such as talcs, micas, nacres, or else perlite particles, in particular expanded perlite particles.

ADDITIONAL ACTIVE AGENTS

According to a preferred embodiment, a composition according to the invention also comprises at least one additional cosmetic active agent, in particular at least two additional cosmetic active agents, and preferably at least three additional cosmetic active agents, other than ascorbic acid or a derivative thereof.

The additional active agent(s) may notably be chosen from: vitamins and derivatives thereof, notably esters thereof, such as tocopherol (vitamin E) and esters thereof (for instance tocophery l acetate), humectants, such as urea, hydroxyureas, glycerol, polyglycerols, glyceryl glucoside, diglyceryl glucoside, polyglyceryl glucosides and xylityl glucoside, and in particular glycerol;

C-glycoside compounds, and preferably hydroxypropyl tetrahydropyrantriol; antioxidant compounds; anti-ageing active agents, such as hyaluronic acid compounds, and notably sodium hyaluronate, salicylic acid compounds, adenosine, C-P-D-xylopyranoside-2- hydroxypropane and the sodium salt of (3-hydroxy-2-pentylcyclopentyl)acetic acid; and mixtures thereof.

In particular, the additional cosmetic active agent may be at least one hydrophilic active agent.

The term “hydrophilic active agent” means a water-soluble or water-dispersible active agent which is capable of forming hydrogen bonds.

As hydrophilic active agents, examples that may be mentioned include moisturizers, depigmenting agents, desquamating agents, humectants, anti-ageing agents; mattifying agents, cicatrizing agents, antibacterial agents, and mixtures thereof.

C-Glycoside compounds

In particular, the composition according to the invention may comprise at least one additional cosmetic active agent chosen from C-glycoside compounds, in particular of the following general formula:

[Chem 3]

S"^X— R in which:

R denotes an unsubstituted linear C1-C4 and notably C1-C2 alkyl radical, in particular methyl;

S represents a monosaccharide chosen from D-glucose, D-xylose, N-acetyl-D- glucosamine and L-fucose, and in particular D-xylose;

X represents a group chosen from -CO-, -CH(OH)- and -CH(NH2)- and preferentially a -CH(OH)- group; and also the cosmetically acceptable salts thereof, solvates thereof such as hydrates, and optical isomers thereof.

As non-limiting illustrations of C-glycosides that are more particularly suitable for use in the invention, mention may notably be made of the following compounds:

C-P-D-xylopyranoside-n-propan-2-one;

C-a-D-xylopyranoside-n-propan-2-one;

C-P-D-xylopyranoside-2-hydroxypropane;

C-a-D-xylopyranoside-2 -hydroxypropane; 1 -(C-P-D-glucopyranosyl)-2-hydroxypropane;

1 -(C-a-D-glucopyranosyl)-2-hydroxypropane;

1 -(C-P-D-glucopyranosyl)-2-aminopropane;

1 -(C-a-D-glucopyranosyl)-2-aminopropane;

3 ’-(acetamido-C-P-D-glucopyranosyl)propan-2’-one;

3 ’ -(acetamido-C-a-D-glucopyranosyl)propan-2 ’ -one;

1 -(acetamido-C-P-D-glucopyranosyl)-2-hydroxypropane;

1 -(acetamido-C-P-D-glucopyranosyl)-2-aminopropane; and also the cosmetically acceptable salts thereof, solvates thereof such as hydrates, and optical isomers thereof

According to a particular embodiment, use is made of C-P-D-xylopyranoside-2- hydroxypropane or C-a-D-xylopyranoside-2-hydroxypropane, and better still C-P-D- xylopyranoside-2 -hydroxypropane.

According to a particular embodiment, a C-glycoside of the formula illustrated above that is suitable for use in the invention may preferably be C-P-D-xylopyranoside-2- hydroxypropane, the INCI name of which is hydroxypropyl tetrahydropyrantriol, notably sold under the name Mexoryl SBB® or Mexoryl SCN® by Chimex.

The C-glycoside salts that are suitable for use in the invention may comprise conventional physiologically acceptable salts of these compounds, such as those formed from organic or mineral acids.

Examples that may be mentioned include the salts of mineral acids, such as sulfuric acid, hydrochloric acid, hydrobromic acid, hydriodic acid, phosphoric acid and boric acid. Mention may also be made of the salts of organic acids, which may include one or more carboxylic, sulfonic or phosphonic acid groups. They may be linear, branched or cyclic aliphatic acids, or alternatively aromatic acids. These acids may also include one or more heteroatoms chosen from O and N, for example in the form of hydroxyl groups. Mention may notably be made of propionic acid, acetic acid, terephthalic acid, citric acid and tartaric acid.

The solvates that are acceptable for the compounds described above comprise conventional solvates such as those formed during the final step of preparation of said compounds due to the presence of solvents. Examples that may be mentioned include solvates due to the presence of water or of linear or branched alcohols, such as ethanol or isopropanol. The C-glycosides having the formula illustrated above are known from WO 02/051828.

According to one embodiment, the composition according to the invention comprises a C- glycoside in an amount ranging from 0.05% to 14% by weight of active material, relative to the total weight of the composition, in particular ranging from 0.05% to 12% by weight of active material, relative to the total weight of the composition, and more particularly ranging from 1% to 10% by weight of active material, relative to the total weight of the composition. Salicylic acid compounds

According to a particular embodiment, the composition according to the invention may comprise at least one additional cosmetic active agent chosen from salicylic acid compounds. The salicylic acid compound present in the composition according to the invention may be chosen from salicylic acid and the compounds of the following formula:

[Chem 4]

in which:

- the radical R denotes a linear, branched or cyclic saturated aliphatic chain containing from 2 to 22 carbon atoms; an unsaturated chain containing from 2 to 22 carbon atoms, containing one or more double bonds that may be conjugated; an aromatic nucleus linked to the carbonyl radical directly or via saturated or unsaturated aliphatic chains containing from 2 to 7 carbon atoms; said groups possibly being substituted with one or more substituents, which may be identical or different, chosen from (a) halogen atoms, (b) the trifluoromethyl group, (c) hydroxyl groups in free form or esterified with an acid containing from 1 to 6 carbon atoms, or (d) a carboxyl function in free form or esterified with a lower alcohol containing from 1 to 6 carbon atoms;

- R’ is a hydroxyl group; and also salts thereof derived from a mineral or organic base.

In particular, the radical R denotes a linear, branched or cyclic saturated aliphatic chain containing from 3 to 11 carbon atoms; an unsaturated chain containing from 3 to 17 carbon atoms and comprising one or more conjugated or unconjugated double bonds; said hydrocarbon-based chains possibly being substituted with one or more substituents, which may be identical or different, chosen from (a) halogen atoms, (b) the trifluoromethyl group, (c) hydroxyl groups in free form or esterified with an acid containing from 1 to 6 carbon atoms, or (d) a carboxyl function in free form or esterified with a lower alcohol containing from 1 to 6 carbon atoms; and salts thereof obtained by salification with a mineral or organic base.

Mention may be made in particular of the compounds in which the radical R is a C3-C11 alkyl group.

Among the salicylic acid compounds, mention may be made in particular of 5-n- octanoylsalicylic acid (or capryloylsalicylic acid); 5-n-decanoylsalicylic acid; 5-n- dodecanoylsalicylic acid; 5-n-heptanoylsalicylic acid, and the corresponding salts thereof. The salicylic acid compound may be notably chosen from salicylic acid and 5-n- octanoylsalicylic acid, and for example is 5-n-octanoylsalicylic acid.

The salts of the compounds having the formula illustrated above may be obtained by salification with a mineral or organic base. Examples of mineral bases that may be mentioned include alkali metal or alkaline-earth metal hydroxides, for instance sodium hydroxide or potassium hydroxide, or ammonia.

Among the organic bases, mention may be made of amines and alkanolamines. Quaternary salts, for instance those described in patent FR 2 607 498, are particularly advantageous. The compounds having the formula illustrated above that may be used according to the invention are described in patents US 6 159 479 and US 5 558 871, FR 2 581 542, FR 2 607 498, US 4 767 750, EP 378 936, US 5 267 407, US 5 667 789, US 5 580 549 and EP-A-570 230.

According to a particular embodiment, the composition according to the invention comprises at least one salicylic acid compound in a content ranging from 0.05% to 5% by weight relative to the total weight of the composition, in particular ranging from 0.1% to 2% by weight relative to the total weight of the composition, and more particularly ranging from 0.2% to 1% by weight relative to the total weight of the composition.

Hyaluronic acid

In particular, the composition according to the invention may comprise at least one additional cosmetic active agent chosen from hyaluronic acid or a derivative thereof. In the context of the present invention, the term “hyaluronic acid or a derivative thereof’ notably covers the hyaluronic acid basic unit having the formula:

[Chem 5]

This is the smallest fraction of hyaluronic acid, comprising a disaccharide dimer, namely D- glucuronic acid and N-acetylglucosamine.

The term “hyaluronic acid or a derivative thereof’ also comprises, in the context of the present invention, the linear polymer comprising the polymeric unit described above, according to a sequence with alternating P(l,4) and P(l,3) glycosidic bonds, having a molecular weight (MW) which may range between 380 and 13 000 000 daltons. This molecular weight mainly depends on the source from which the hyaluronic acid is obtained and/or the preparation methods.

In the context of the present invention, the term “hyaluronic acid or a derivative thereof’ also comprises hyaluronic acid salts and notably alkali metal salts such as the sodium salt and the potassium salt.

In the natural state, hyaluronic acid is present in pericellular gels, in the ground substance of connective tissues of vertebrate organs such as the dermis and epithelial tissues and in particular in the epidermis, in the articular synovial fluid, in the vitreous humour, in the human umbilical cord and in the crista galli apophysis.

Thus, the term “hyaluronic acid or a derivative thereof’ comprises all of the hyaluronic acid fractions or subunits having a molecular weight notably within the molecular weight range recalled above.

In the context of the present invention, it is preferred to use hyaluronic acid fractions not having any inflammatory activity.

As illustrations of the various hyaluronic acid fractions, reference may be made to the document Hyaluronan fragments: an information-rich system, R. Stem et al., European Journal of Cell Biology 58 (2006) 699-715, which reviews the listed biological activities of hyaluronic acid as a function of its molecular weight. According to a favoured embodiment of the invention, the hyaluronic acid fractions that are suitable for the application intended by the present invention have a molecular weight of between 50 000 and 5 000 000, in particular between 100 000 and 5 000 000, notably between 400 000 and 5 000 000 Da. It is a matter in this case of high molecular weight hyaluronic acid.

Alternatively, the hyaluronic acid fractions that may also be suitable for the application intended by the present invention have a molecular weight of between 50 000 and 400 000 Da. It is a matter in this case of intermediate molecular weight hyaluronic acid.

Alternatively also, the hyaluronic acid fractions that may be suitable for the application intended by the present invention have a molecular weight of less than 50 000 Da. It is a matter in this case of low molecular weight hyaluronic acid.

According to a particular embodiment, a composition according to the invention is free of low molecular weight hyaluronic acid.

Finally, the term “hyaluronic acid or a derivative thereof’ also comprises hyaluronic acid esters, notably those in which all or some of the carboxylic groups of the acid functions are esterified with oxyethylenated alcohols or alkyls, including from 1 to 20 carbon atoms, notably with a degree of substitution on the D-glucuronic acid of the hyaluronic acid ranging from 0.5% to 50%.

Mention may notably be made of the methyl, ethyl, n-propyl, n-pentyl, benzyl and dodecyl esters of hyaluronic acid. Such esters have notably been described in D. Campoccia et al. “Semisynthetic resorbable materials from hyaluronan esterification”, Biomaterials 19 (1998) 2101-2127.

The molecular weights indicated above are also valid for the hyaluronic acid esters.

Hyaluronic acid may notably be sold by the company Hyactive under the trade name CPN (MW: 10 to 150 kDa), by the company Soliance under the trade name Cristalhyal (MW: l.lxlO⁶), by the company Bioland under the name Nutra HA (MW: 820 000 Da), by the company Bioland under the name Nutra AF (MW: 69 000 Da), by the company Bioland under the name Oligo HA (MW: 6100 Da) or by the company Vam Farma Cosmetica under the name D Factor (MW: 380 Da).

In one embodiment, the hyaluronic acid is in the form of spheres. In particular, such spheres are sold by the company BASF under the name Hyaluronic Acid Spheres. This is a mixture of hyaluronic acid of different molecular weights, namely of MW 1.5 x 10⁶, 400 000 and 600 000 Da.

Sodium hyaluronate is preferably used.

The hyaluronic acid or a derivative thereof may be present in the composition according to the present invention in a content ranging from 0.01% to 5%, preferably ranging from 0.1% to 3%, and more particularly ranging from 0.2% to 1% by weight, relative to the total weight of the composition.

According to a preferred embodiment, the additional active agent(s) are chosen from humectants, preferably glycerol; C-glycoside compounds, and preferably hydroxypropyl tetrahydropyrantriol; hyaluronic acid compounds, and notably sodium hyaluronate; and mixtures thereof.

According to a preferred embodiment, a composition according to the invention comprises at least one humectant, preferably glycerol; a C-glycoside compound, preferably hydroxypropyl tetrahydropyrantriol; and a hyaluronic acid compound, notably sodium hyaluronate.

A composition according to the invention may comprise from 5% to 15% by weight of additional active agent(s), and preferably from 8% to 12% by weight of additional active agent(s), relative to the total weight of the composition.

It is understood that these contents do not include the possible presence of glycerol.

Specifically, as indicated previously, a composition according to the invention may also comprise from 3% to 22% by weight of glycerol, in particular from 5% to 20% by weight, and more preferentially from 6% to 17% by weight of glycerol, relative to the total weight of the composition.

ADDITIVES

A composition according to the invention may also include at least one additive chosen from the adjuvants conventionally used in the cosmetic field, such as preserving agents, for example hydroxyacetone, fragrances, dyestuffs, polar additives, film-forming polymers, pH modifiers (acids or bases), for example citric acid, tartaric acid or oxalic acid, chelating agents, cosmetic active agents, for instance cicatrizing agents, agents for combating greasy skin, and/or anti-pollution agents, and mixtures thereof. Needless to say, a person skilled in the art will take care to select this or these optional additional compound(s), and/or the amount thereof, such that the advantageous properties of a composition according to the invention are not, or are not substantially, adversely affected by the envisioned addition.

As mentioned above, a composition according to the invention is preferably free of compounds that may be harmful to man and/or the environment, i.e. it comprises less than 0.01% by weight, or is even free of compounds that may be harmful to man and/or the environment.

Thus, a composition according to the invention is in particular free of silicone compound and/or of ethylenediaminetetraacetic acid (EDTA) and/or of parabens, and preferably free of silicone compound, of ethylenediaminetetraacetic acid and of parabens.

According to a preferred embodiment, a composition according to the invention comprises at least one chelating agent, and preferably at least one ethylenediaminedisuccinic acid salt.

COMPOSITION

As stated previously, a composition according to the invention may be cosmetic and/or dermatological, and preferably is cosmetic.

A composition according to the invention is generally suitable for topical application to the skin and thus generally comprises a physiologically acceptable medium, i.e. a medium that is compatible with the skin.

It is preferably a cosmetically acceptable medium, i.e. a medium which has a pleasant colour, odour and feel and which does not cause any unacceptable discomfort, i.e. stinging, tautness or redness, liable to discourage the user from applying this composition.

A cosmetic composition according to the invention may be in any presentation form conventionally used in the cosmetic field for the intended applications, in particular for topical application.

For topical application to keratin materials, and notably the skin or its integuments, a composition may notably be in the form of an aqueous or oily solution or of a dispersion of the lotion or serum type, of emulsions of liquid or semi-liquid consistency of the milk type, obtained by dispersing a fatty phase in an aqueous phase (oil-in-water) or conversely (water- in-oil), or of suspensions or emulsions of soft consistency of the aqueous or anhydrous gel or cream type, or else of microcapsules or microparticles, or of vesicular dispersions of ionic and/or nonionic type. These compositions are prepared according to the usual methods.

Preferably, a composition according to the invention is in the form of an oil-in-water (O/W) emulsion or an oil-in-water emulsified gel.

According to a preferred embodiment, a composition according to the invention is in the form of an oil-in-water emulsified gel.

According to a preferred embodiment, a composition according to the invention is in the form of an oil-in-water emulsion.

In particular, a composition according to the invention has a pH ranging from 3 to 8. Preferably, the pH of the composition ranges from 4 to 7, or even from 4 to 6.5.

Thus, according to a preferred embodiment, a composition according to the invention comprises at least one pH-regulating compound, for example sodium hydroxide and/or potassium hydroxide.

A composition according to the invention may be prepared according to the techniques that are well known to those skilled in the art.

INTENDED USE OF THE COMPOSITION

A composition according to the invention may be in the form of a cosmetic composition for caring for and/or making up keratin materials, preferably a cosmetic composition for caring for keratin materials, in particular of the body or of the face, preferably of the face.

These compositions may constitute cleansing, protective, treating or care creams for the face, for the hands or for the body, for example day creams, night creams, makeup creams, foundation creams, antisun creams, fluid foundations, protective or care body milks, antisun milks, lotions, or blister treatment products.

Thus, a composition according to the invention may be used as a care product and/or antisun product for the face and/or body, with a liquid to semi-liquid consistency, such as oils, milks, lotions, more or less smooth creams, or gel-creams.

Preferably, a composition according to the invention is in the form of a composition for caring for keratin materials, in particular the skin of the body or of the face, preferably of the face.

In particular, a composition of the invention may be in the form of an anti-ageing care composition for the skin of the body or of the face, in particular of the face. According to another embodiment, a composition of the invention may be in the form of a composition for making up keratin materials, in particular of the body or of the face, preferably of the face.

Thus, according to a submode of this embodiment, a composition of the invention may be in the form of a makeup base composition for making up. A composition of the invention may in particular be in the form of a foundation.

According to yet another submode of this embodiment, a composition of the invention may be in the form of a lip product, notably a lipstick.

According to yet another submode of this embodiment, a composition of the invention may be in the form of a product for the eyebrows, in particular an eyebrow pencil.

Such compositions are notably prepared according to the general knowledge of a person skilled in the art.

Thus, the invention also relates to the use of a composition according to the invention for caring for and/or making up keratin materials, preferably for caring for keratin materials, in particular the skin of the body and/or of the face.

The invention also relates to a cosmetic process for making up and/or caring for keratin materials, in particular the skin and/or the lips, comprising at least one step of applying a composition as defined previously to said keratin materials.

Preferably, the invention also relates to a cosmetic process for caring for keratin materials, in particular the skin and/or the lips, comprising at least one step of applying a composition as defined above to said keratin materials.

In particular, a composition according to the invention may be used for combating the signs of skin ageing.

Thus, the present patent application also relates to the use of a composition according to the invention for combating the signs of skin ageing.

The composition may be applied to the skin by hand or using an applicator.

Throughout the description, including the claims, the expression “including a” should be understood as being synonymous with “including at least one ', unless otherwise specified. The expressions “between... and...”, “comprises from ... to...”, “formed from ... to...” and “rangingfrom... to...” should be understood as being inclusive of the limits, unless otherwise specified. The invention is illustrated in greater detail by the examples presented below. Unless otherwise indicated, the amounts shown are expressed as mass percentages.

Example

Measurement and evaluation methods

Centrifugation

The stability of the compositions is evaluated by passing the compositions obtained through a Thermo Scientific centrifuge, at T = 24 hours, according to the following protocol: 3500 rpm for 1 hour. Observation of phase separation, of leaching or of a change in appearance is checked.

Stability measurement

The stability of the compositions is evaluated at various times and under the following conditions: at T = 24 hours at room temperature (25°C). It may also be evaluated by placing the compositions obtained for 15 days at 55°C, and at T = 1 month and T = 2 months, at 4°C, at room temperature (25°C), at 37°C and at 45°C. Observation of phase separation, of leaching or of a change in appearance is checked.

Viscosity measurement

The viscosity of the formulations may be measured using a Rheomat RM 200 rheometer from Lamy Rheology with a No. 4 spindle at a speed of 200 rpm, at room temperature (25°C) and under atmospheric pressure (760 mmHg). The values are recorded at T = 30 seconds, at T = 10 minutes and at T = 24 hours.

Evaluation of the soaping

To evaluate the soaping phenomenon, a classification is established with soaping or without soaping. 50 pL of product to be evaluated are taken up using an M50 micropipette set so as to deliver 50 jrL (noted as 500 on the pipette). The product is applied onto one half of the back of the hand and rubbed in very rapidly for 5 seconds using the index and middle fingers.

Soaping results in the formation of a fine lather in the course of the massaging, during the application of the cream/white film on application.

The “soaping” is then evaluated visually in the course of this vigorous massaging by the presence of whitening on the back of the hand.

For the evaluation, “1” means that there is soaping and “0” means that there is no soaping.

Evaluation of the tack

The tacky aspect of the deposits produced with the formulations is evaluated according to the following protocol: each of the compositions is applied to the skin so as to form a deposit of uniform thickness.

The tacky nature is evaluated by the individual immediately after applying the product and during drying of the formulation after 2 minutes at room temperature (25°C). The tack of a product is an evaluation of the adherence to the back of the hand.

In particular, for the immediate evaluation after application, the tack effect of the product is evaluated by touch. This criterion is evaluated by placing the back of the hand which received the product against the cheek and then removing it from the cheek, a maximum of two times. This evaluation is made after the cool gesture, speed of penetration and fingers remaining greasy, which corresponds to 15 seconds after application to the face.

For the evaluation 2 minutes after application, the tack effect of the product is evaluated by touch. This criterion is also evaluated by placing the back of the hand which received the product against the cheek and then removing it from the cheek.

The tack scale goes from 1 to 5. Non-tacky bare skin is evaluated as “1” and highly tacky skin is evaluated as “5”.

It is considered that the score for a compliant composition ranges from 1 to 3.75 and that for a score ranging from 3.75 to 5, the composition is non-compliant.

Evaluation of the softness

The softness is evaluated during and after application of the product to the hand. 50 LIL of product are applied and circles are made on the back of the hand. The gesture performed must be the same and the fingers must slide and not drag when passed over the top of the hand. At the end of application, the skin must remain soft and without snagging. The softness scale goes from 1 to 5. Bare skin is evaluated as “3”. It is considered that the score for a compliant composition ranges from 3 to 5 and that for a score ranging from 1 to 3, the composition is non-compliant.

Example 1: Compositions 1 to 4 according to the invention

The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 1 to 4 according to the invention are prepared in the weight proportions as detailed in the table below. The values are expressed as weight percentages relative to the total weight of the composition.

[Table 1]

Table 1 Protocol for preparing the compositions

The compositions are prepared with a Maxilab from the company Olsa, equipped with an external and internal blade and an emulsifying device.

The compounds of phase A are weighed into the main vessel, under cold conditions. The compounds are dispersed until a homogeneous mixture is obtained (emulsifying device at 300 rpm, outer blade at 70 rpm and inner blade at 100 rpm). The starting materials of phase

B are suctioned up, while stirring. The mixture is dispersed until a homogeneous, clump-free and grain-free mixture is obtained (emulsifying device at 1200 rpm, outer blade at 100 rpm and inner blade at 250 rpm for 15 to 20 minutes).

In parallel, phase C is prepared in a beaker, heated to 70-75°C while stirring using a magnetic bar until a clear, colourless phase is obtained. While stirring, phase C is suctioned up slowly and evenly (emulsifying device at 2800 rpm, outer blade at 120 rpm and inner blade at 250 rpm for 10 minutes). The mixture is dispersed until a compliant emulsion is obtained.

After homogenization, the mixture is cooled to between 15 and 20°C.

The compounds of phase D are mixed beforehand and added to the production vessel (emulsifying device at 1800 rpm, outer blade at 100 rpm and inner blade at 120 rpm for 10 minutes).

Phase F is prepared beforehand while stirring using a magnetic bar, and suctioned up while stirring (emulsifying device at 1800 rpm, outer blade at 100 rpm and inner blade at 120 rpm for 10 minutes).

And the end of production, phase E is added (emulsifying device at 1800 rpm, outer blade at 100 rpm and inner blade at 120 rpm for 10 minutes).

Example 2: Compositions 5 and 6 according to the invention

The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 5 to 6 according to the invention, are prepared in the weight proportions as detailed in the table below, as indicated in Example 1. The values are expressed as weight percentages relative to the total weight of the composition.

[Table 2]

Table 2 Example 3: Compositions 7 to 9 according to the invention The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 7 to 9 according to the invention, are prepared in the weight proportions as detailed in the table below, as indicated in Example 1. The values are expressed as weight percentages relative to the total weight of the composition. [Table 3]

Table 3

Example 4: Compositions 10 to 13 according to the invention The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 10 to 13 according to the invention, are prepared in the weight proportions as detailed in the table below, as indicated in Example 1. The values are expressed as weight percentages relative to the total weight of the composition. [Table 4]

Table 4

Example 5: Composition 14 and 15 outside the invention The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 14 and 15 outside the invention are prepared in the weight proportions as detailed in the table below, as indicated in Example 1. Comparative composition 14 does not comprise any surfactant chosen from glycerol esters, or any filler chosen from amino acid powders and solid cellulose beads. Comparative composition 15 does not comprise any filler chosen from amino acid powders and solid cellulose beads. The values are expressed as weight percentages relative to the total weight of the composition.

[Table 5]

Table 5 Example 6: Composition 16 and 17 outside the invention

The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 16 and

17 outside the invention are prepared in the weight proportions as detailed in the table below, as indicated in Example 1. Comparative compositions 16 and 17 comprise isopropyl myristate or undecane (and) tridecane instead of the non-volatile hydrocarbon-based oil chosen from isononanoic acid esters, synthetic ethers containing from 10 to 40 carbon atoms and/or carbonates. The values are expressed as weight percentages relative to the total weight of the composition.

[Table 6]

Table 6 Example 7: Compositions 18 to 21 outside the invention

The anti-ageing care compositions for the face, in the form of oil-in-water emulsions, 18 to 21 outside the invention are prepared in the weight proportions as detailed in the table below, as indicated in Example 1. Comparative compositions 18 to 21 comprise boron nitride or silica instead of the filler chosen from amino acid powders and solid cellulose beads. The values are expressed as weight percentages relative to the total weight of the composition. [Table 7]

Table 7

Example 8: Results All of the compositions were tested in terms of stability and sensory nature, according to the methods described in the section “Measurement and evaluation methods” above.

The results are detailed hereinbelow.

Compositions 1 to 13 according to the invention and 15 to 21 outside the invention are stable. Composition 14 outside the invention, not comprising any surfactant chosen from glycerol esters, or any filler chosen from amino acid powders and solid cellulose beads, is not stable. Lumps appear after storage for 2 months at 45°C. In addition, it turns brown and shows a considerable loss of viscosity. Furthermore, composition 14 outside the invention undergoes considerable soaping. Compositions 1 to 13 according to the invention do not undergo soaping and have a better sensory nature than compositions 14 to 21 outside the invention. They are soft and smooth. They are much less shiny and tacky than compositions 14 to 21 outside the invention.

In addition, they have a much softer and lighter finish than compositions 14 to 21 outside the invention.

Claims

48 Claims

1. Composition, notably a cosmetic composition, in particular for making up and/or caring for keratin materials, comprising:

- at least one fatty phase comprising at least (i) a volatile hydrocarbon-based oil, (ii) a non-volatile hydrocarbon-based oil chosen from fatty amides, and (iii) a non-volatile hydrocarbon-based oil chosen from isononanoic acid esters, synthetic ethers containing from 10 to 40 carbon atoms and/or carbonates;

- at least one surfactant chosen from glycerol esters;

- at least one filler chosen from amino acid powders and solid cellulose beads; and

- at least 5% by weight of ascorbic acid and/or a derivative thereof, relative to the total weight of the composition.

2. Composition according to the preceding claim, in which the aqueous phase is gelled with at least 1.8% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2-methylpropanesulfonic acid homopolymer, in particular at least 1.9% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2- acrylamido-2-methylpropanesulfonic acid homopolymer, and preferably at least 2% by weight of a mixture of a crosslinked acrylic acid homopolymer and of a 2-acrylamido-2- methylpropanesulfonic acid homopolymer, relative to the total weight of the composition.

3. Composition according to either of the preceding claims, in which the crosslinked acrylic acid homopolymer is an at least partially neutralized acrylic acid homopolymer, and is preferably at least a sodium polyacrylate.

4. Composition according to any one of the preceding claims, in which the oil

(i) is chosen from volatile hydrocarbon-based oils containing from 8 to 16 carbon atoms, in particular from Cs-Ci6 isoalkanes, and is preferably isododecane.

5. Composition according to any one of the preceding claims, in which the oil

(ii) is isopropyl lauroyl sarcosinate.

6. Composition according to any one of the preceding claims, in which the oil

(iii) is chosen from isononyl isononanoate, dicaprylyl ether and/or dicaprylyl carbonate. 49

7. Composition according to any one of the preceding claims, also comprising a non-volatile hydrocarbon-based oil chosen from non-volatile alkanes, and preferably at least a mixture of alkanes containing from 15 to 19 carbon atoms.

8. Composition according to any one of the preceding claims, which is free of fatty alcohol wax, and preferably free of cetyl alcohol.

9. Composition according to any one of the preceding claims, in which the surfactant chosen from glycerol esters is chosen from mono-, di- and/or triesters of glycerol and of a fatty acid containing 18 carbon atoms, and is preferably glyceryl stearate.

10. Composition according to any one of the preceding claims, also comprising at least one gemini surfactant of chemical formula (A) or a stereoisomer thereof:

in which:

- Y’ independently represents a carboxylic acid group or an alkali metal salt of a carboxylic acid group,

- j 1, kl, j2 and k2 represent an integer such that (jl, kl, j2, k2) = (2, 0, 2, 0), (2, 0, 0, 2), (0, 2, 2, 0) or (0, 2, 0, 2), and

- 1 represents an integer ranging from 6 to 16.

11. Composition according to the preceding claim, in which the gemini surfactant of chemical formula (A) is chosen from sodium dilauramidoglutamide lysine, sodium dimyristoylglutamide lysine and sodium distearoylglutamide lysine, and is preferably sodium dilauramidoglutamide lysine.

12. Composition according to any one of the preceding claims, comprising a total content of surfactants ranging from 2% to 20% by weight, in particular ranging from 50

3% to 18% by weight, and preferably ranging from 5% to 15% by weight, relative to the total weight of the composition.

13. Composition according to any one of the preceding claims, comprising as filler at least lauroyllysine powder, optionally in combination with boron nitride, or at least solid cellulose beads.

14. Composition according to any one of the preceding claims, comprising a total content of filler(s) ranging from 1% to 10% by weight, in particular ranging from 2% to 5% by weight, and preferably ranging from 2% to 3% by weight, relative to the total weight of the composition.

15. Composition according to any one of the preceding claims, in which the content of ascorbic acid and/or a derivative thereof ranges from 5% to 25% by weight, more particularly from 5% to 20% by weight, and preferably from 6% to 20% by weight, relative to the total weight of the composition.

16. Composition according to any one of the preceding claims, characterized in that it also comprises at least one additional cosmetic active agent, in particular at least two additional cosmetic active agents and preferably at least three additional cosmetic active agents, other than ascorbic acid or a derivative thereof.

17. Composition according to the preceding claim, characterized in that the additional active agent(s) are chosen from humectants, preferably glycerol; C-glycoside compounds, and preferably hydroxypropyl tetrahydropyrantriol; hyaluronic acid compounds, and notably sodium hyaluronate; and mixtures thereof.

18. Composition according to any one of the preceding claims, which is free of silicone compound and/or of ethylenediaminetetraacetic acid (EDTA) and/or of parabens, and preferably free of silicone compound, of ethylenediaminetetraacetic acid and of parabens.

19. Composition according to any one of the preceding claims, characterized in that it is a cosmetic composition for caring for keratin materials.

20. Cosmetic process for caring for keratin materials, in particular the skin and/or the lips, comprising at least one step of applying a composition as defined in any one of the preceding claims to said keratin materials.