EP1446091A1 - Preparations cosmetiques et dermatologiques contenant de la glycerine sur la base d'emulsions huile dans eau - Google Patents

Preparations cosmetiques et dermatologiques contenant de la glycerine sur la base d'emulsions huile dans eau

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Publication number
EP1446091A1
EP1446091A1 EP02785269A EP02785269A EP1446091A1 EP 1446091 A1 EP1446091 A1 EP 1446091A1 EP 02785269 A EP02785269 A EP 02785269A EP 02785269 A EP02785269 A EP 02785269A EP 1446091 A1 EP1446091 A1 EP 1446091A1
Authority
EP
European Patent Office
Prior art keywords
weight
preparations
total weight
peg
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02785269A
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German (de)
English (en)
Inventor
Jens Nielsen
Rainer Kröpke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beiersdorf AG
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Beiersdorf AG
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Filing date
Publication date
Application filed by Beiersdorf AG filed Critical Beiersdorf AG
Publication of EP1446091A1 publication Critical patent/EP1446091A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A61K8/062—Oil-in-water emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/342—Alcohols having more than seven atoms in an unbroken chain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/37—Esters of carboxylic acids
    • A61K8/375—Esters of carboxylic acids the alcohol moiety containing more than one hydroxy group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/08—Anti-ageing preparations

Definitions

  • the present invention relates to cosmetic and dermatological emulsions, in particular skin-care cosmetic and dermatological emulsions.
  • the present invention relates to an application which makes it possible to increase and improve the skin-moisturizing effect of O / W emulsions.
  • the skin is the largest human organ. Among its many functions (for example for heat regulation and as a sensory organ), the most important is the barrier function that prevents the skin (and ultimately the entire organism) from drying out. At the same time, the skin acts as a protective device against the penetration and absorption of substances coming from outside. This barrier function is brought about by the epidermis, which as the outermost layer forms the actual protective cover against the environment. At around a tenth of the total thickness, it is also the thinnest layer of the skin.
  • the epidermis is a stratified tissue in which the outer layer, the stratum corneum, is the important part for the barrier function.
  • the skin model of Elias (PM Elias, Structure and Function of the Stratum Corneum Permeability Barrier, Drug Dev. Res. 13, 1988, 97-105), which is recognized in the professional world today, describes the hom layer as a two-component system, similar to a brick wall ( Brick and mortar model).
  • the horny cells corneocytes
  • the complex lipid membrane in the intercellular spaces corresponds to the mortar.
  • This system essentially represents a physical barrier against hydrophilic substances, but due to its narrow and multilayered structure equally difficult to pass even by lipophilic substances.
  • the present invention relates to cosmetic or pharmaceutical preparations with a reduced feeling of stickiness, to processes for their preparation and to the use of active ingredients for reducing the feeling of stickiness of cosmetic preparations.
  • the epidermal lipids In addition to their barrier effect against external chemical and physical influences, the epidermal lipids also contribute to the cohesion of the homolayer and influence the smoothness of the skin. In contrast to the sebum lipids, which do not form a closed film on the skin, the epidermal lipids are distributed over the entire homolayer.
  • Cosmetic skin care primarily means that the natural function of the skin as a barrier against environmental influences (e.g. dirt, chemicals, microorganisms) and against the loss of the body's own substances (e.g. water, natural fats, electrolytes) is strengthened or restored. If this function is disturbed, there may be an increased absorption of toxic or allergenic substances or an infestation of microorganisms and, as a result, toxic or allergic skin reactions.
  • environmental influences e.g. dirt, chemicals, microorganisms
  • the loss of the body's own substances e.g. water, natural fats, electrolytes
  • the aim of skin care is also to compensate for the loss of fat and water in the skin caused by daily washing. This is especially important when the natural regeneration ability is insufficient.
  • skin care products are intended to protect against environmental influences, especially sun and wind, and to delay skin aging.
  • Medical topical compositions usually contain one or more drugs in effective concentration.
  • drugs for the sake of simplicity, reference is made to the legal provisions of the Federal Republic of Germany (e.g. cosmetics regulation, food and drug law) for a clear distinction between cosmetic and medical use and corresponding products.
  • emulsions This is generally understood to mean a heterogeneous system composed of two liquids which are immiscible or only miscible with one another, which are usually referred to as phases. One is in the form of droplets (dispere or inner phase), while the other liquid forms a continuous (coherent or inner phase). More rare forms of administration are multiple emulsions, i.e. those which themselves contain droplets of a further dispersed phase in the droplets of the dispersed (or discontinuous) phase, e.g. W / O / W emulsions and O / W / O emulsions.
  • emulsifier-free preparations which, for example, have oil droplets dispersed in an aqueous phase, similar to an O / W emulsion.
  • a prerequisite for this may be that the continuous aqueous phase has a gel structure which stabilizes the dispersed phase and other circumstances more.
  • Such systems are sometimes called hydrodispersions or oleodispersions, depending on which is the disperse phase and which is the continuous phase.
  • a further object of the present invention was to provide preparations which significantly improve the condition of the skin, in particular reduce the roughness of the skin.
  • the invention relates to cosmetic or dermatological topical preparations in the form of O / W emulsions, with a content of 0.05 to 2% by weight, based on the total weight of the preparations, of one or more ethoxylated fatty acid esters selected from the group the PEG-5 to PEG-100 stearates in combination with
  • Preparations on one or more C 16 -C 18 fatty alcohols or (C) in combination with 0.1% by weight to 6% by weight, based on the total weight of the preparations, of glycerol monostearate and 0.1% by weight up to 8% by weight, based on the total weight of the preparations, of one or more C 16 -C 18 fatty alcohols, and
  • lipids with a content of 0.5% by weight to 20% by weight, based on the total weight of the preparations, of glycerol and 0% by weight, in particular 0.1% by weight to 30% by weight, based on the total weight of the preparations, on one or several lipids with a polarity index of 5 - 30 mN / m, in particular 10 - 25 mN / m, whereby this index range also applies to mixtures of lipids, and water and optionally active substances, auxiliary substances and / or additives.
  • Glycerol monostearate (GMS, alpha-monostearin or here also called glyceryl stearate) is known, described in the literature and preferably contains little or no, e.g. technical proportions of triglycerides or fatty acids.
  • Preferred ethoxylated fatty acid esters are selected from the group of the PEG-20 to PEG-60 stearates. Ethoxylated fatty acid esters are preferably present in amounts of 0.2 to 1% by weight, based in each case on the total weight of the preparation.
  • Glycerol monostearate is preferably contained in amounts of 0.5 to 3% by weight, in each case based on the total weight of the preparation.
  • Fatty alcohols are preferably present in amounts of 0.5 to 4% by weight, based in each case on the total weight of the preparation.
  • Cosmetic or dermatological topical preparations in the form of O / W emulsions, with a content of 0.2 to 1% by weight, based on the total weight of the preparations, of one or more ethoxylated formulations are preferred.
  • Fatty acid esters selected from the group of PEG-20 to PEG-60 stearates in combination with
  • the invention also relates to the use of topical preparations in the form of O / W emulsions, with a content of 0.05 to 2% by weight, based on the total weight of the preparations, of one or more ethoxylated fatty acid esters selected from the Group of PEG-5 to PEG-100 stearates in combination with
  • lipids with a content of 0.5% by weight to 20% by weight, based on the total weight of the preparations, of glycerol and 0% by weight, in particular 0.1% by weight to 30% by weight, based on the total weight of the preparations, on one or more lipids with a polarity index of 5 - 30 mN / m, in particular 10 - 25 mN / m, whereby this index range also applies to mixtures of lipids, and water and optionally active substances, auxiliaries and / or additives to improve skin moisturization.
  • topical preparations in the form of O / W emulsions with a content of 0.2 to 1% by weight, based on the total weight of the preparations, of one or more ethoxylated fatty acid esters, selected from the group of the PEG, is preferred -20- to PEG-60 stearates in combination with (A) 0.5% by weight to 3% by weight, based on the total weight of the preparations, of glycerol monostearate or in combination with
  • lipids with a polarity index of 5 - 30 mN / m, in particular 10 - 25 mN / m, whereby this index range also applies to mixtures of lipids, and water and optionally active substances, auxiliary substances and / or additives , to improve skin moisturization.
  • the preparations according to the invention are both flowable and creamable, have very good cosmetic properties, in particular with regard to stickiness and skin moisturizing, and have very good skin compatibility and skin care performance.
  • Oil-in-water emulsions usually contain humectants which are primarily responsible for the skin-moisturizing effect of this emulsion.
  • Moisturisers such as glycerin leave an unpleasant sticky feeling on the skin when used in higher concentrations.
  • ethoxylated hydrophilic emulsifiers with the combination partners, in particular lipophilic, non-self-emulsifying emulsifiers, makes it possible, for example, to reduce the amount of glycerin as a humectant and thus to reduce the stickiness while maintaining skin moisturization, compared with prior art O / W emulsions.
  • the preparations according to the invention show a clear superiority over preparations of the prior art, which were equipped with significantly more humectants, with regard to the skin moisture and the annoying feeling of stickiness.
  • Another advantage of the preparations according to the invention is the low proportion of emulsifiers and the good skin tolerance, which is achieved in particular in this way.
  • Lipid-free preparations according to the invention preferably contain one or more fatty alcohols, e.g. as indicated for B and C or ingredients with lipid character, e.g. Emulsifiers, for example in each case in amounts from 0.1% by weight to 30% by weight, preferably from 0.5 to 20% by weight, in each case based on the total weight of the preparations.
  • fatty alcohols e.g. as indicated for B and C
  • ingredients with lipid character e.g. Emulsifiers
  • Emulsifiers for example in each case in amounts from 0.1% by weight to 30% by weight, preferably from 0.5 to 20% by weight, in each case based on the total weight of the preparations.
  • These substances or mixtures thereof preferably also have polarities in the indicated index ranges of the lipids.
  • lipids is used as a generic term for fats, oils, waxes and the like, as is well known to the person skilled in the art.
  • oil phase and “lipid phase” are also used synonymously.
  • the polarity index is used to indicate the polarity or surface tension (in 10 "3 Newton / meter), which is determined in a known manner using the ring method.
  • the measurements are carried out with a ring tensiometer at 20 ° C. against air.
  • Polar or medium-polar lipids or lipid mixtures which can also contain fractions of non-polar lipids, are preferred, with the required polarity index range being observed.
  • Polar oils are, for example, those from the group of the lecithins and the fatty acid triglycerides, namely the triglycerol esters of saturated and / or unsaturated, branched and / or unbranched alkane carboxylic acids with a chain length of 8 to 24, in particular 12 to 18, carbon atoms.
  • the fatty acid triglycerides can, for example, advantageously be selected from the group of synthetic, semi-synthetic and natural oils, such as e.g.
  • Olive oil sunflower oil, soybean oil, peanut oil, rapeseed oil, almond oil, palm oil, coconut oil, castor oil, wheat germ oil, grape seed oil, safflower oil, evening primrose oil, macadamia nut oil and the like.
  • Further polar oil components can be selected from the group of the esters from saturated and / or unsaturated, branched and / or unbranched alkane carboxylic acids with a chain length of 3 to 30 carbon atoms and saturated and / or unsaturated, branched and / or unbranched alcohols with a chain length from 3 to 30 carbon atoms and from the group of esters of aromatic carboxylic acids and saturated and / or unsaturated, branched and / or unbranched alcohols with a chain length of 3 to 30 carbon atoms.
  • ester oils can then advantageously be selected from the group of isopropyl myristate, isopropyl palmitate, isopropyl stearate, isopropyl oleate, n-butyl stearate, n-hexyl laurate, n-decyl oleate, isooctyl stearate, isononyl stearate, isononylisononanoate, 2-ethylhexyl ethylpyl 2-hexyldecyl stearate, 2-octyl dodecyl palmitate, oleyl oleate, olerlerucate, erucyl oleate, erucylerucate as well as synthetic, semi-synthetic and natural mixtures of such esters, such as jojoba oil.
  • the oil phase can advantageously be selected from the group of dialkyl ethers, the group of saturated or unsaturated, branched or unbranched alcohols. It is particularly advantageous if the oil phase of the invention W / O emulsions comprising 12 ⁇ 5 alkyl benzoate has a content of C or consists entirely of this.
  • any mixtures of such oil and wax components can also be used advantageously for the purposes of the present invention. It may also be advantageous to use waxes, for example cetyl palmitate, as the sole lipid component of the oil phase.
  • Nonpolar oils which can also be contained in the lipid phase are, for example, those which are selected from the group of branched and unbranched hydrocarbons and waxes, in particular petroleum jelly (petrolatum), paraffin oil, squalane and squalene, polyolefins and hydrogenated polyisobutenes.
  • petroleum jelly petroleum jelly
  • paraffin oil squalane and squalene
  • polyolefins polyolefins
  • hydrogenated polyisobutenes are the preferred substances.
  • Tables 1 and 2 below list lipids which are advantageous according to the invention as individual substances or as a mixture with one another. The relevant interfacial tensions against air are given in the last column. However, it is also advantageous to use mixtures of higher and / or lower polar and non-polar lipids, provided that it is ensured that the overall polarity of the oil phase is in the range claimed.
  • Fats, waxes and other natural and synthetic fat bodies preferably esters of fatty acids with alcohols of low C number, e.g. with isopropanol, propylene glycol or glycerin, or esters of fatty alcohols with low C number alkanoic acids or with fatty acids; - Alcohols, diols or polyols of low C number, and their ethers, preferably
  • the oil phase of the emulsions preferably consists entirely of medium-polar or polar lipid components, although it is possible, without major disadvantages, to accept up to 50% by weight, preferably up to 40% by weight, of the total weight to select the oil components from the group of other oil components.
  • Lipids preferred according to the invention can advantageously be selected from the group of esters from saturated and / or unsaturated, branched and / or unbranched alkane carboxylic acids with a chain length of 3 to 30 carbon atoms and saturated and / or unsaturated, branched and / or unbranched alcohols with a chain length of 3 to 30 carbon atoms, from the group of esters of aromatic carboxylic acids and saturated and / or unsaturated, branched and / or unbranched alcohols with a chain length of 3 to 30 carbon atoms.
  • ester oils can then advantageously be selected from the group of isopropyl myristate, isopropyl palmitate, isopropyl stearate, isopropyl oleate, n-butyl stearate, n-hexyl laurate, n-decyl oleate, isooctyl stearate, isononyl stearate, isononyl isononanoate, 2-ethyllauryl, 2-ethylhexyl Hexyldecyl stearate, 2-octyldodecyl palmitate, oleyl oleate, olerlerucate, erucyl oleate, erucylerucate as well as synthetic, semi-synthetic and natural mixtures of such esters, for example Jojoba oil, provided the conditions specified in the main claim are met.
  • the oil phase can advantageously be selected from the group of branched and unbranched hydrocarbons and waxes, the dialkyl ethers, the group of saturated or unsaturated, branched or unbranched alcohols, and also the fatty acid triglycerides, especially the triglycerol esters of saturated and / or unsaturated, branched and / or unbranched alkane carboxylic acids with a chain length of 8 to 24, in particular 12-18 carbon atoms.
  • the fatty acid triglycerides can, for example, advantageously be selected from the group of synthetic, semisynthetic and natural oils, for example olive oil, sunflower oil, soybean oil, peanut oil, rapeseed oil, almond oil, Palm oil, coconut oil, palm kernel oil and the like, provided the conditions specified in the main claim are met.
  • synthetic, semisynthetic and natural oils for example olive oil, sunflower oil, soybean oil, peanut oil, rapeseed oil, almond oil, Palm oil, coconut oil, palm kernel oil and the like, provided the conditions specified in the main claim are met.
  • Fat and / or wax components to be used advantageously according to the invention can be selected from the group of vegetable waxes, animal waxes, mineral waxes and petrochemical waxes.
  • Favorable according to the invention are, for example, candelilla wax, camauba wax, japan wax, esparto grass wax, cork wax, guaruma wax, rice germ oil wax, sugar cane wax, berry wax, ouricury wax, montan wax, jojoba wax, shea butter, beeswax, shellac wax, walnut wax, lanolin (wool wax), shaving wax, cereal wax, ceresin (earth wax), ceresin (earth wax) , Paraffin waxes and micro waxes, provided the conditions specified in the main claim are met.
  • fat and / or wax components are chemically modified waxes and synthetic waxes, such as those available under the tradenames Syncrowax HRC (glyceryl tribehenate), Syncrowax HGLC voltages (C 16- 3e -Fettklaretrigly- cerid) and Syncrowax AW 1C (C eighteenth 36 fatty acid) available from CRODA GmbH as well as montan ester waxes, sasoi waxes, hydrogenated jojoba waxes, synthetic or modified beeswaxes (e.g.
  • Syncrowax HRC glycolated hydroxycellulose
  • Syncrowax HGLC voltages C 16- 3e -Fettklar- cerid
  • Syncrowax AW 1C C eighteenth 36 fatty acid
  • Fats such as B. hydrogenated vegetable oils (for example hydrogenated castor oil and / or hydrogenated coconut fat glycerides), triglycerides, such as trihydroxy stearin, fatty acids, fatty acid esters and glycol esters, such as C 20 o-alkyl stearate, C 1-20 alkylhydroxystearoyl stearate and / or glycol montanate. Also particularly advantageous are certain organosilicon compounds which have physical properties similar to those of the fat and / or wax components mentioned, such as stearoxytrimethylsilane, provided that the conditions specified in the main claim are met.
  • the fat and / or wax components can be present both individually and in a mixture.
  • any mixtures of such oil and wax components can also be used advantageously for the purposes of the present invention. It can also be advantageous if necessary be waxes, for example cetyl palmitate, to be used as the sole lipid component of the oil phase provided the conditions specified in the main claim are met.
  • the oil phase is advantageously selected from the group 2-ethylhexyl isostearate, octyldodecanol, isotridecyl isononanoate, isoeicosane, 2-ethylhexyl cocoate, C 12 ⁇ 5 alkyl benzoate, caprylic-capric acid triglyceride, dicaprylyl ether provided the conditions required in the main claim are observed.
  • O / W emulsions according to the invention can, if desired, also contain customary O / W emulsifiers, if desired also W / O emulsifiers or further coemulsifiers.
  • O / W emulsions according to the present invention may contain one or more emulsifiers, particularly advantageously selected from the group of the following substances, which generally act as W / O emulsifiers:
  • O / W emulsions according to the present invention may contain one or more emulsifiers, particularly advantageously selected from the group of the following substances, which generally act as O / W emulsifiers:
  • the above emulsifiers can, for example, be present in the preparations in amounts of 0.01 to 10% by weight, preferably 0.1 to 5% by weight, and in particular 0.5 to 3% by weight, based in each case on the Total weight of the preparations, provided the conditions specified in the main claim are met.
  • Emulsions according to the invention in the sense of the present invention are advantageous and contain e.g. Fats, oils, waxes and / or other fat bodies, as well as water and one or more emulsifiers, as are usually used for such a type of formulation.
  • the pH of the preparations according to the invention can be in the range customary for cosmetics, e.g. pH 4.5 - 7.5, preferably 5.5 - 6.5, in particular pH 6.
  • Medical topical compositions in the sense of the present invention generally contain one or more medicaments in an effective concentration.
  • cosmetic or topical dermatological compositions within the meaning of the present invention, depending on their structure, can be used, for example, as a skin protection cream, cleansing milk, sunscreen lotion, nutritional cream, day or night cream, etc. It may be possible and advantageous to use the compositions according to the invention as the basis for pharmaceutical formulations. lations to use.
  • Cosmetic and dermatological preparations which are in the form of a sunscreen are also favorable.
  • these preferably additionally contain at least one UVA filter substance and / or at least one UVB filter substance and / or at least one inorganic pigment.
  • UV-A or UV-B filter substances are usually incorporated into day creams.
  • Preparations according to the invention can advantageously contain substances which absorb UV radiation in the UVB range, the total amount of filter substances e.g. 0.1% by weight to 30% by weight, preferably 0.5 to 10% by weight, in particular 1 to 6% by weight, based on the total weight of the preparations.
  • the UVB filters can be oil-soluble or water-soluble.
  • oil-soluble substances e.g. to call:
  • 3-benzylidene camphor and its derivatives e.g. 3- (4-methylbenzylidene) camphor, - 4-aminobenzoic acid derivatives, preferably 4- (dimethylamino) benzoic acid (2-ethylhexyl) ester, 4- (dimethylamino) benzoic acid amyl ester;
  • Esters of cinnamic acid preferably 4-methoxycinnamic acid (2-ethylhexyl) ester, 4-methoxycinnamic acid isopentyl ester;
  • Esters of salicylic acid preferably salicylic acid (2-ethylhexyl) ester, salicylic acid (4-isopropylbenzyl) ester, salicylic acid homomethyl ester;
  • benzophenone preferably 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-4'-methylbenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone;
  • Esters of benzalmalonic acid preferably 4-methoxybenzalmalonic acid di (2-ethylhexyl) ester; 2,4,6-trianilino- (p-carbo-2'-ethyl-1'-hexyloxy) -1, 3,5-triazine
  • Advantageous water-soluble substances are: 2-phenylbenzimidazole-5-sulfonic acid and its salts, e.g. Sodium, potassium or
  • Sulfonic acid derivatives of benzophenones preferably 2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid and their salts;
  • Sulfonic acid derivatives of 3-benzylidene camphor e.g. 4- (2-oxo-3-bomylidene-methyl) benzenesulfonic acid, 2-methyl-5- (2-oxo-3-bornylidene-methyl) sulfonic acid and their salts.
  • UVB filters which can be used according to the invention, is of course not intended to be limiting.
  • UVA filters in the preparations according to the invention, which are usually contained in cosmetic and / or dermatological preparations.
  • Such filter substances are preferably derivatives of dibenzoylmethane, in particular 1- (4'-tert-butylphenyl) -3- (4'-methoxyphenyl) propane-1,3-dione and 1-phenyl-3- ( 4'-isopropylphenyl) propane-1,3-dione.
  • Preparations containing these combinations are also the subject of the invention.
  • the same amounts of UVA filter substances that were mentioned for UVB filter substances can be used.
  • Cosmetic and / or dermatological preparations in the sense of the present invention can also contain inorganic pigments which are usually used in cosmetics to protect the skin from UV rays. These are oxides of titanium, zinc, iron, zirconium, silicon, manganese, aluminum, cerium and mixtures thereof, and variations in which the oxides are the active agents. It is particularly preferred to use pigments based on titanium dioxide. The amounts given for the above combinations can be used.
  • the cosmetic and dermatological preparations according to the invention can contain cosmetic active ingredients, auxiliaries and / or additives as are usually used in such preparations, e.g. Antioxidants, preservatives, bactericides, perfumes, anti-foaming substances, dyes, pigments that have a coloring effect, thickeners, surface-active substances, emulsifiers, softening, moisturizing and / or moisturizing substances, fats, oils, waxes or other usual components a cosmetic or dermatological formulation such as alcohols, polyols, polymers, foam stabilizers, electrolytes, organic solvents or silicone derivatives.
  • cosmetic active ingredients e.g. Antioxidants, preservatives, bactericides, perfumes, anti-foaming substances, dyes, pigments that have a coloring effect, thickeners, surface-active substances, emulsifiers, softening, moisturizing and / or moisturizing substances, fats, oils, waxes or other usual components
  • batyl alcohol ⁇ -octadecylglyceryl ether
  • selachyl alcohol ⁇ -9-octadecenylglyceryl ether
  • chimyl alcohol ⁇ -hexadecylglyceryl ether
  • bisabolol ⁇ -hexadecylglyceryl ether
  • antioxidants it is also advantageous to add customary antioxidants to the preparations for the purposes of the present invention. According to the invention, all the antioxidants suitable or customary for cosmetic and / or dermatological applications can be used as favorable antioxidants.
  • the antioxidants are advantageously selected from the group consisting of amino acids (eg glycine, histidine, tyrosine, tryptophan) and their derivatives, imidazoles (eg urocanic acid) and their derivatives, peptides such as D, L-carnosine, D-carnosine, L- Camosin and its derivatives (e.g. anserine), carotenoids, carotenes (e.g. ⁇ -carotene, ß-carotene, ⁇ -lycopene) and their derivatives, chlorogenic acid and their derivatives, lipoic acid and their derivatives (e.g.
  • amino acids eg glycine, histidine, tyrosine, tryptophan
  • imidazoles eg urocanic acid
  • peptides such as D, L-carnosine, D-carnosine, L- Camosin and its derivatives (e.g. anserine)
  • carotenoids e
  • thiols e.g. thioredoxin, glutathione, cysteine, cystine, cystamine and their glycosyl, N-acetyl, methyl, ethyl, propyl, amyl, butyl and lauryl, palmitoyl, oleyl, ⁇ -linoleyl, Cholesteryl and glyceryl esters
  • salts dilauryl thiodipropionate, distearylthio dipropionate, thiodipropionic acid and their derivatives (esters, ethers, peptides, lipids, nucleotides, nucleosides and salts) as well as sulfoximine compounds (e.g.
  • buthionine sulfoximines in very low tolerable dosages (e.g. pmol to ⁇ mol / kg), further (metal) chelators (e.g. ⁇ -hydroxy fatty acids, palmitic acid, phytic acid, lactoferrin), ⁇ -hydroxy acids (e.g.
  • citric acid citric acid, lactic acid, malic acid
  • humic acid bile acid, bile extracts, bilirubin, biliverdin, EDTA, EGTA and its derivatives
  • unsaturated fatty acids and their derivatives e.g. ⁇ -linolenic acid, linoleic acid, oleic acid
  • folic acid and their derivatives furfurylidensorbitol and their derivatives
  • ubiquinone and ubiquinol and their derivatives vitamin C and derivatives (e.g. ascorbyl palmitate, Mg-ascorbyl phosphate, Ascorbyl acetate), tocopherols and derivatives (e.g.
  • vitamin E acetate
  • vitamin A and derivatives vitamin A palmitate
  • the amount of the antioxidants (one or more compounds) in the preparations is preferably 0.001 to 30% by weight, particularly preferably 0.05 to 20% by weight, in particular 1 to 10% by weight, based on the total weight of the preparation ,
  • vitamin E and / or its derivatives represent the antioxidant (s)
  • Preparations according to the present invention can also be used as a basis for cosmetic or dermatological deodorants or antiperspirants.
  • All active ingredients common to deodorants or antiperspirants can be used advantageously, for example odor maskers such as the common perfume components, odor absorbers, for example the
  • Germ-inhibiting agents are also suitable for being incorporated into the preparations according to the invention.
  • advantageous substances are 2,4,4'-trichloro-2'-hydroxydiphenyl ether (irgasane), 1,6-di- (4-chlorophenylbiguanido) hexane (chlorhexidine), 3,4,4'-trichlorocarbanilide, quaternary ammonium compounds, clove oil, mint oil, thyme oil, triethyl citrate, farnesol (3,7,11-trimethyl-2,6,10-dodecatrien-1-ol) as well as those in patent publications DE-37 40 186, DE-39 38 140, DE-42 04 321, DE-42 29 707, DE-43 09 372, DE-44 11 664, DE-195 41 967, DE-195 43 695, DE-195 43 696, DE- 195 47 160, DE- 196 02 108, DE-196 02 110, DE-196 02 111, DE-196
  • the amount of such active substances (one or more compounds) in the preparations according to the invention is preferably 0.001 to 30% by weight, particularly preferably 0.05-20% by weight, in particular 1-10% by weight, based on the Total weight of the preparation.
  • the water phase of the cosmetic preparations in the sense of the present invention can also have a gel character which, in addition to an effective content of the substances used according to the invention and solvents usually used for this purpose, preferably water, also further organic thickeners, for example gum arabic, xanthan gum, sodium alginate, starch and starch derivatives (e.g. Distarch phosphate), cellulose, cellulose derivatives, preferably methyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose or inorganic thickeners, eg. B.
  • organic thickeners for example gum arabic, xanthan gum, sodium alginate, starch and starch derivatives (e.g. Distarch phosphate), cellulose, cellulose derivatives, preferably methyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose or inorganic thickeners, e
  • aluminum silicates such as organically modified or unmodified hectorite, bentonite, or the like, or a mixture of polyethylene glycol and polyethylene glycol stearate or distearate.
  • the thickener is contained in the gel, for example, in an amount between 0.1 and 30% by weight, preferably between 0.5 and 15% by weight. It may also be advantageous to add surface-active or surface-active agents to preparations according to the invention, for example cationic emulsifiers such as, in particular, quaternary surfactants.
  • Quaternary surfactants contain at least one N atom which is covalently linked to 4 alkyl or aryl groups. Regardless of the pH value, this leads to a positive charge.
  • Alkyl betaine, alkyl amidopropyl betaine and alkyl amidopropyl hydroxysulfain are advantageous.
  • the cationic surfactants used in the invention can also preferably be chosen from the group of quaternary ammonium compounds, especially benzyltrialkylammonium chlorides or bromides, such as benzyl dimethylstearylammonium, further alkyltrialkylammonium salts, for example cetyltrimethylammonium chloride or bromide, xyethylammoniumchloride Alkyldimethylhydro- or bromides, dialkyldimethylammonium chlorides or bromides , Alkylamidethyltrimethylammonium ether sulfates, alkylpyridinium salts, for example lauryl or cetylpyrimidinium chloride, imidazoline derivatives and compounds with a cationic character such as amine oxides, for example alkyldimethylamine oxides or alkylaminoethyldimethylamine oxides. Cetyltrimethylammonium salts are particularly advantageous.
  • cationic polymers for example Jaguar® C 162 [hydroxypropyl guar hydroxypropyltrimonium chloride) or modified magnesium aluminum silicates (for example quaternium-18-hectorite, which is available, for example, under the trade name Bentone® 38 from Rheox) or stearalkonium hectorite, which is available, for example, under the trade name Softisan® Gel from Hüls AG).
  • cationic polymers for example Jaguar® C 162 [hydroxypropyl guar hydroxypropyltrimonium chloride) or modified magnesium aluminum silicates (for example quaternium-18-hectorite, which is available, for example, under the trade name Bentone® 38 from Rheox) or stearalkonium hectorite, which is available, for example, under the trade name Softisan® Gel from Hüls AG).
  • Preparations according to the invention can advantageously also contain oil thickeners in order to improve the tactile properties of the emulsion and the stick consistency.
  • Oil thickeners for the purposes of the present invention are, for example, other solids, such as, for. B. hydrophobic silicon oxides of the type Aerosil®, which are available from Degussa AG.
  • Aerosil® grades are Aerosil® OX50, Aerosil® 130, Aerosil® 150, Aerosil® 200, Aerosil® 300, Aerosil® 380, Aerosil® MOX 80, Aerosil® MOX 170, Aerosil® COK 84, Aerosil® R 202 , Aerosil® R 805, Aerosil® R 812, Aerosil® R 972, Aerosil® R 974 and / or Aerosil® R976.
  • metal soaps ie the salts of higher fatty acids with the exception of the alkali salts
  • oil thickeners for the purposes of the present invention, such as aluminum stearate, zinc stearate and / or magnesium stearate.
  • amphoteric or zwitterionic surfactants e.g. cocoamidopropyl betaine
  • moisturizers e.g. betaine
  • Amphoteric surfactants to be used advantageously are, for example, acyl / dialkylethylene diamine, for example sodium acylamphoacetate, disodium acylamphodipropionate, disodium alkylamphodiacetate, sodium acylamphohydroxyl sulfate, and sodium acylamphopropylate acid, for example n-aminodimino aminophenyl acid, n-aminomino-amino-benzoate.
  • the amount of surface-active or surface-active substances (one or more compounds) in the preparations according to the invention is preferably 0.001 to 30% by weight, particularly preferably 0.05-20% by weight, in particular 1-10% by weight. %, based on the total weight of the preparation.
  • Preparations according to the invention can also contain active substances (one or more compounds) which are selected from the group: acetylsalicylic acid, atropine, azulene, hydrocortisone and its derivatives, for example hydrocortisone 17-valerate, vitamins, for example ascorbic acid and its derivatives, vitamins of B- and D series, very cheap the vitamin B ⁇ the vitamin B 12 the vitamin D ⁇ but also bisabolol, unsaturated fatty acids, especially the essential fatty acids (often called vitamin F), especially ⁇ -linolenic acid, oleic acid, eicosapentaenoic acid, docosahexaenoic acid and their derivatives, chloramphenicol, caffeine, prostaglandins, thymol, camphor, extracts or other products of plant and animal origin, for example evening primrose oil, borage oil or currant seed oil, fish oils, cod liver oil but also ceramides and ceramide-like compounds and so on. It is also
  • Preferred active substances are ubiquinones, preferably coenzyme Q7-11, in particular coenzyme Q10, retinyl palmitate, tocopheryl acetate, Flavones and / or flavonoids, especially alpha-glucosylrutin, ascorbic acid, lipoic acid and retinol.
  • Coenzyme Q10 and / or alpha-glucosylrutin and preparations according to the invention which contain them are particularly preferred.
  • Preparations according to the invention which contain coenzyme Q10 and / or retinol are also particularly preferred.
  • Preparations according to the invention containing active ingredients mentioned above (one or more compounds) and their combinations are used in particular against skin aging and wrinkle formation and for the treatment of wrinkles and aged skin.
  • the amount of such active substances (one or more compounds) in the preparations according to the invention is preferably 0.001 to 30% by weight, particularly preferably 0.01-20% by weight, in particular 1-10% by weight, based on the Total weight of the preparation.
  • the amount of the ubiquinones (one or more compounds), in particular coenzyme Q10, in the preparations according to the invention is preferably 0.001 to 1% by weight, particularly preferably 0.01 to 0.3% by weight.
  • the amount of flavones or flavonoids (one or more compounds) in the preparations, in particular alpha-glucosylrutin, is preferably 0.01 to 1% by weight.

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Abstract

L'invention concerne des préparations topiques cosmétiques et dermatologiques, sous forme d'émulsions huile dans eau contenant de 0,05 à 2 % en poids, relativement au poids total des préparations, d'un ou de plusieurs esters d'acide gras éthoxylés, sélectionnés dans le groupe comprenant des stéarates PEG-5 à PEG-100 en combinaison avec (A) 0,1 à 6 % en poids, relativement au poids total des préparations, de monostéarate de glycérol, ou en combinaison avec (B) 0,1 à 8 % en poids, relativement au poids total des préparations, d'un ou de plusieurs alcools gras C16-C¿18, ou en combinaison avec (C) 0,1 à 6 % en poids, relativement au poids total des préparations, de monostéarate de glycérol et 0,1 à 8 % en poids, relativement au poids total des préparations, d'un ou de plusieurs alcools gras C¿16-C18. Ces préparations ont également une teneur de 0,5 à 20 % en poids, relativement au poids total des préparations, de glycérine et 0 % en poids, notamment 0,1 à 30 % en poids, relativement au poids total des préparations, d'un ou de plusieurs lipides dont l'indice de polarité s'élève à 5-30 mN/m, en particulier 10-25 mN/m, la fourchette de l'indice s'appliquant également aux mélanges de lipides, ainsi que de l'eau et éventuellement des agents actifs, des auxiliaires et/ou des additifs.
EP02785269A 2001-10-26 2002-10-22 Preparations cosmetiques et dermatologiques contenant de la glycerine sur la base d'emulsions huile dans eau Withdrawn EP1446091A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10152304A DE10152304A1 (de) 2001-10-26 2001-10-26 Glycerin enthaltende kosmetische und dermatologische Zubereitungen auf der Grundlage von O/W-Emulsionen
DE10152304 2001-10-26
PCT/EP2002/011792 WO2003037277A1 (fr) 2001-10-26 2002-10-22 Preparations cosmetiques et dermatologiques contenant de la glycerine sur la base d'emulsions huile dans eau

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EP1446091A1 true EP1446091A1 (fr) 2004-08-18

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WO2006045584A1 (fr) * 2004-10-25 2006-05-04 Unilever Plc Compositions de soins personnels comprenant de la glycerine et des sels d'ammonium quaternaires d'hydroxypropyl
US8124063B2 (en) * 2004-10-25 2012-02-28 Conopco, Inc. Method for moisturizing human skin using dihydroxypropyltri(C1-C3 alkyl) ammonium salts
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