WO2023221015A1

WO2023221015A1 - Cosmetic emulsion with reduced white appearance on skin

Info

Publication number: WO2023221015A1
Application number: PCT/CN2022/093730
Authority: WO
Inventors: Julia Eckert; Claudia Mueller; Fasong LI; Yan Li
Original assignee: Beiersdorf Ag; Niva (Shanghai) Co. Ltd.
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2023-11-23

Abstract

A cosmetic emulsion comprises methylheptylglycerin and at least one hydrophobic or hydrophobically modified particle, in particular hydrophobically modified silica, for reducing white foam after application.

Description

Cosmetic emulsion with reduced white appearance on skin

Technical field

The present invention belongs to the cosmetic field and relates to a cosmetic emulsion which shows reduced white appearance after application.

Background art

Cosmetic products generally not only serve to look beautiful and attractive, but their effects make a decisive contribution to increased self-esteem and people's wellbeing. Accordingly, a wide variety of cosmetic products are used for the daily cleaning and care of human skin.

When applying cosmetic products such as body lotions and creams which contain an oil and an aqueous phase it is often observed that small air bubbles of the composition are formed on the skin. These air bubbles can be described as foam which has a white appearance. Typically, this foam disappears in a couple of minutes after application to the skin.

In most cases anti-foaming agents are included in body lotions and creams which reduce the time until the air bubbles and with it the white foam disappears. If no anti-foaming agents are used, the white appearance will need longer time to disappear, and the spreading/massage upon application to the skin will increase the foaming. Thus, for consumers, the skin care product will become whiter and whiter during applying, although finally it will disappear. As a result, the consumers will have the impression that the product is difficult to spread and absorb. The anti-foaming agents can help the air bubbles break and disappear faster, so the product seems to be easier spread and faster absorbed on skin.

Most often silicone oils are used as anti-foaming agent. E. g. dimethicone has low surface tension and is not easy to dissolve into water or other oil ingredients. As result it can easily move to the surface of the air bubbles and spread on the bubble surface. This process renders the surface of the bubble to become uneven so that the bubbles start to combine and break faster.

Typical silicone oil based anti-foaming compositions are described in US5531929 A. EP 0339958 A3 describes encapsulated silicone anti-foaming compositions.

However, the use of silicone oils has been controversially discussed for various reasons in recent years. Thus, consumers generally prefer products which do not require the presence of silicone oils. Nevertheless, the appearance of foam upon applications shall remain at a limited level. That means the amount of foam and the time upon disappearance of the white foam shall be reduced.

Lexgard MG Natural MB is known under the INCI designation methylhepylglycerin. Datasheets suggest that it can be used as anti-foaming agent. However, the anti-foaming capabilities of this material are still limited.

Summary of the invention

It was surprisingly found by the application that the antifoaming capabilities can be improved by the present invention.

A first object of the present invention is a cosmetic emulsion comprising based on the total weight of the composition

a. 0.05 to 5.0%by weight of methylheptylglycerin,

b. At least one hydrophobic or hydrophobically modified particle, in particular hydrophobically modified silica,

c. less than 0.1%or 0%by weight of a silicone oil.

It was surprisingly noticed that the emulsions according to the invention allow the appearance of foaming after application to be reduced. It was particular surprising that a synergism was observed between the compounds.

All the weight percentages (%by weight) given below relate, unless otherwise stated, to the total weight of the cosmetic emulsion. If ratios of certain components are disclosed in the following description, these ratios refer, unless otherwise stated, to weight ratios of the components.

Unless otherwise stated, all tests and measurements were performed under “normal conditions” . The term "normal conditions" refers to 20℃, 1013 hPa and a relative humidity of 50%.

In the following description the terms ” according to the invention” , “preferred according to the invention” and so on are always directed to the use according to the invention, to the composition and to the method according to the invention.

For the purposes of the present disclosure, the term "free from" means that the proportion of the respective substance is less than 0.05%by weight. This ensures that entrainments or impurities with these substances are not included as "free from" according to the invention.

The term “hydrophobic particle” is understood as a particle with a hydrophobic surface. These are particles which have a hydrophobic surface without being chemically modified.

The term “hydrophobically modified particle” is understood as a particle which surface was hydrophobically modified.

The term “skin” refers solely to the human skin.

Silicone oils are known under the designation dimethicone and cyclomethicone.

Emulsifiers are understood to be all substances which are listed in the International Cosmetic Ingredient Dictionary and Handbook, Thirteenth Edition 2010, (ISBN 1-882621-47-6) under the name "emulsifying agent" . Surfactants are understood to be all substances which are listed in the International Cosmetic Ingredient Dictionary and Handbook, Thirteenth Edition 2010, (ISBN 1-882621-47-6) under the name "surfactant" .

The emulsion according to the invention comprises from 0.05 to 5%by weight of methylheptylglycerin. It is preferred if the total quantity of methylheptylglycerin is in the range from 0.1 to 2%by weight, more preferably from 0.2 to 1.5%by weight and most preferably from 0.3 to 1.1%by weight, calculated to the total weight of the emulsion.

According to the invention the emulsion comprises at least one hydrophobic or hydrophobically modified particle. According to the invention the emulsion comprises at least preferably a hydrophobically modified silica. It is preferred according to the invention if the total quantity of hydrophobically modified silica is in the range 0.01 to 2.0%by weight, more preferably 0.02 to 1.0%and most preferably 0.03 to 0.25%by weight calculated to the total weight of the emulsion.

Preferred hydrophobically modified silica is selected from the group consisting of silica silylate, silica cetyl silylate, silica caprylyl silylate; silica dimethicone silylate and silica dimethyl silylate. It is more preferred if silica cetyl silylate and/or silica caprylyl silylate are contained as hydrophobically modified silica.

Accordingly, it is preferred the total quantity of silica silylate, silica cetyl silylate, silica caprylyl silylate; silica dimethicone silylate and/or silica dimethyl silylate is in the range 0.01 to 2.0%by weight, more preferably 0.02 to 1.0%by weight and most preferably 0.03 to 0.25%by weight calculated to the total weight of the emulsion.

Further it is preferred if the total quantity of silica cetyl silylate and/or silica caprylyl silylate is in the range 0.01 to 2.0%by weight, more preferably 0.02 to 1.0%by weight and most preferably 0.03 to 0.25%by weight calculated to the total weight of the emulsion.

According to the invention it is preferred if the hydrophobic or hydrophobically modified particles have a mean particle size of 17 to 300 μm, more preferably 20 to 100 μm and most preferably 30 to 80 μm. According to the invention it is preferred if the hydrophobically modified silica has a mean particle size of 17 to 300 μm, more preferably 20 to 100 μm and most preferably 30 to 80 μm. The mean particle size is determined by laser scattering using a Horiba Laser Scattering Particle Size Distribution Analyzer LA-950. Hydrophobic silica sold under the trade name Aerosil R816 has a mean particle size of 54.5 μm.

According to the invention it is preferred if the emulsion comprises at least one oil chosen from the esters of the linear or branched saturated or unsaturated fatty alcohols having 2-30 carbon atoms with linear or branched saturated or unsaturated fatty acids having 2-30 carbon atoms, which may be hydroxylated

According to the invention, it is preferred if the total quantity of esters of the linear or branched saturated or unsaturated fatty alcohols having 2-30 carbon atoms with linear or branched saturated or unsaturated fatty acids having 2-30 carbon atoms, which may be hydroxylated, is in the range from 0.2 to 8.0%by weight, more preferably from 0.5 to 6.0 %by weight, more preferably 0.6 to 5.0%by weight and most preferably from 0.75 to 4.5%by weight, calculated to the total weight of the emulsion.

Preferred esters of the linear or branched saturated or unsaturated fatty alcohols having 2-30 carbon atoms with linear or branched saturated or unsaturated fatty acids having 2-30 carbon atoms, which may be hydroxylated, are selected from the group consisting of hexyldecyl stearate, hexyldecyl laurate, isodecyl neopentanoate, isononyl isononanoate, 2-ethylhexyl palmitate, 2-ethylhexyl stearate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, isopropyl isostearate, isopropyl oleate, isooctyl stearate, isononyl stearate, isocetyl stearate, isononyl isononanoate, isotridecyl isononanoate, cetearyl isononanoate, 2-ethylhexyl laurate, 2-ethylhexyl isostearate, 2-ethylhexyl cocoate, 2-octyldodecyl palmitate, butyloctanoic acid-2-butyl octanoate, diisotridecyl acetate, ethyl stearate, methyl stearate, , propyl stearate, butyl stearate, ethyl myristate, ethyl palmitate, butyl palmitate, propyl stearate, propyl palmitate, stearyl benzoate, benzyl palmitate, benzyl stearate, palmityl benzoate, C12-15 alkyl benzoate, palmityl acetate, n-butyl stearate, n-hexyl laurate, n-decyl oleate, oleyl oleate, oleyl erucate, erucyl oleate, erucyl erucate, ethylene glycol dioleate and ethylene glycol dipalmitate.

Among those isopropyl myristate and/or isopropyl palmitate are particular preferred.

Accordingly it is preferred if the total quantity of esters of the linear or branched saturated or unsaturated fatty alcohols having 2-30 carbon atoms with linear or branched saturated or unsaturated fatty acids having 2-30 carbon atoms, which may be hydroxylated, selected from the group consisting of hexyldecyl stearate, hexyldecyl laurate, isodecyl neopentanoate, isononyl isononanoate, 2-ethylhexyl palmitate, 2-ethylhexyl stearate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, isopropyl isostearate, isopropyl oleate, isooctyl stearate, isononyl stearate, isocetyl stearate, isononyl isononanoate, isotridecyl isononanoate, cetearyl isononanoate, 2-ethylhexyl laurate, 2-ethylhexyl isostearate, 2-ethylhexyl cocoate, 2-octyldodecyl palmitate, butyloctanoic acid-2-butyl octanoate, diisotridecyl acetate, ethyl stearate, methyl stearate, propyl stearate, butyl stearate, ethyl myristate, ethyl palmitate, butyl palmitate, propyl stearate, propyl palmitate, stearyl benzoate, benzyl palmitate, benzyl stearate, palmityl benzoate, C12-15 alkyl benzoate, palmityl acetate, n-butyl stearate, n-hexyl laurate, n-decyl oleate, oleyl oleate, oleyl erucate, erucyl oleate, erucyl erucate, ethylene glycol dioleate and ethylene glycol dipalmitate is in the range from 0.2 to 8.0%by weight, more preferably from 0.5 to 6.0 %by weight, more preferably 0.6 to 5.0%by weight and most preferably from 0.75 to 4.5%by weight, calculated to the total weight of the emulsion.

Further it is preferred if the total quantity of isopropyl myristate and/or isopropyl palmitate is in the range from 0.2 to 8.0%by weight, more preferably from 0.5 to 6.0 %by weight, more preferably 0.6 to 5.0%by weight and most preferably from 0.75 to 4.5%by weight, calculated to the total weight of the emulsion.

Further it is preferred if at least one fatty acid triglyceride is contained in the emulsion. The total quantity of the fatty acid triglycerides is preferably in the range from 0.5 to 8.0%by weight, more preferably from 1.0 to 6.5%by weight, more preferably 2.1 to 6%by weight and most preferably from 2.2 to 5.0%by weight, calculated to the total weight of the emulsion.

It is preferred if the fatty acid triglyceride is selected from Cocos Nucifera Oil (Triglyceride (Fractionated Coconut Oil) ) , Astrocaryum Murumuru Seed Butter (Astrocaryum sp Triglycerides) , C10-18 Triglycerides, C10-40 Isoalkyl Acid Triglyceride, C12-18 Acid Triglyceride, C18-36 Acid Triglyceride, C8-12 Acid Triglyceride, Caprylic/capric/myristic/stearic Triglyceride, Caprylic/Capric Triglyceride, Capric/Lauric/Myristic/Oleic Triglyceride, Caprylic/Capric/Linoleic Triglyceride, Caprylic/Capric/Stearic Triglyceride, Castoryl Maleate (Ceraphyl RMT (Ricinoleyl Monomaleate Triglyceride) ) , Hydrogenated C12-18 Triglycerides, Lauric/palmitic/oleic Triglyceride, Mustelic/palmitic Triglyceride, Oleic/linoleic Triglyceride, Oleic/Palmitic/Lauric/Myristic/Linoleic Triglyceride, Ricinoleic/caproic/caprylic/capric Triglyceride, Caprylic/Capric/Succinic Triglyceride and/or Jojoba Oil/Caprylic/Capric Triglyceride Esters.

In particular preferred is Caprylic/Capric Triglyceride. Thus, it is particular preferred if the total quantity of the Caprylic/Capric Triglyceride is in the range from 0.5 to 8.0%by weight, more preferably from 1.0 to 6.5%by weight, more preferably 2.1 to 6%by weight and most preferably from 2.2 to 5.0%by weight, calculated to the total weight of the emulsion.

The fatty acid triglyceride can also be part of natural oils. Preferred natural oils, which can be contained are coconut oil, (sweet) almond oil, walnut oil, peach kernel oil, apricot kernel oil, avocado oil, tea tree oil, soybean oil, glycine soja oil, sesame oil, sunflower oil, tsubaki oil, evening primrose oil, rice bran oil, palm kernel oil, mango kernel oil, cuckoo flower oil, thistle oil, macadamia nut oil, grape seed oil, amaranth seed oil, argan oil, bamboo oil, olive oil, wheat germ oil, pumpkin seed oil, mallow oil, hazelnut oil, safflower oil, canola oil, sasanqua oil, jojoba oil, rambutan oil, cocoa butter, and shea butter.

According to the invention it is further preferred if the emulsion comprises less than 0.1%or 0%by weight of polymers formed by homo-or copolymerization with acrylic acid and/or methacrylic.

According to the invention it is further preferred if the emulsion comprises less than 0.1%or 0%by weight of polymers formed by homo-or copolymerization with 2-acrylamido-2-methylpropanesulfonic acid.

Further, it is preferred if the oil phase of the emulsion sums up to a total quantity in the range from 3.0 to 20.0%by weight, more preferably from 5.0 to 15%by weight and most preferably from 6.0 to 12.0%by weight, calculated to the total weight of the emulsion.

By definition emulsifier and surfactants are not part of the oil phase. Nevertheless, fatty alcohols count as part of the oil phase.

Further compounds which can be contained in the oil phase are for example chosen from further branched saturated or unsaturated fatty alcohols having 6-30 carbon atoms. These alcohols are also often referred to as Guerbet alcohols since they are obtainable according to the Guerbet reaction. Preferred alcohol oils are hexyldecanol (

G 16,

T 16) , octyldodecanol (

G,

20) and 2-ethylhexyl alcohol.

Further oils preferred according to the invention are chosen from the addition products of from 1 to 5 propylene oxide units onto mono-or polyhydric C8-22-alkanols, such as octanol, decanol, decanediol, lauryl alcohol, myristyl alcohol and stearyl alcohol, e.g., PPG-2 myristyl ether and PPG-3 myristyl ether (

APM) .

Further oils, which can be contained in the emulsion according to the invention are chosen from the addition products of at least 6 ethylene oxide and/or propylene oxide units onto mono-or polyhydric C3-22-alkanols, such as butanol, butanediol, myristyl alcohol and stearyl alcohol, e.g., PPG-14 butyl ether (Ucon

AP) , PPG-9 butyl ether (

B25) , PPG-10 butanediol (

57) and PPG-15 stearyl ether (

E) .

Further oils are preferably chosen from the C8-C22-fatty alcohol esters of monobasic or polybasic C2-C7-hydroxycarboxylic acids, in particular, the esters of glycolic acid, lactic acid, malic acid, tartaric acid, citric acid and salicylic acid. Such esters based on linear C14/15-alkanols, e.g., C12-C15-alkyl lactate, and on C12/13-alkanols branched in the 2 position are available under the trade name

from Nordmann, Rassmann GmbH &Co., Hamburg, in particular the commercial products

ESI,

EMI and

ETI.

Further oils which can preferably be used are chosen from the symmetrical, asymmetrical or cyclic esters of carbonic acid with fatty alcohols, e.g., glycerol carbonate, dicaprylyl carbonate (

CC) or the esters of DE 197 56 454 A1.

Further, it is preferred if the emulsion comprises at least one fatty alcohol comprising 12 to 22 carbon atoms. Among those fatty alcohols cetyl alcohol, stearyl alcohol, ceteary alcohol, and the corresponding mixture are most preferred.

For the case at least one fatty alcohol comprising 12 to 22 carbon atoms is contained, it is preferred if the total quantity of those fatty alcohols is in the range from 0.5 to 8.0%by weight, more preferably 1.5 to 6.0%by weight and most preferably 2.5 to 5.0 %by weight, calculated to the total weight of the emulsion.

According to the invention the emulsion comprises 0.05 to 1%by weight of at least one polymer selected from the group of xanthan gum, gellan gum, sclerotium gum and dehydroxanthan gum, calculated to the total weight of the composition. Those gums allow to build up a hydrogel structure in the formulation.

It is particular preferred if at least xanthan gum is contained. Further it is particular preferred if at least gellan gum is contained. Further it is particular preferred if at least sclerotium gum is contained. Further it is particular preferred if at least dehydroxanthan gum is contained.

It is advantageous if the emulsion comprises 0.1 to 0.8%by weight, more preferably 0.12 to 0.5%by weight and most preferably 0.15 to 0.3%by weight of at least one polymer selected from the group of xanthan gum, gellan gum, sclerotium gum and dehydroxanthan gum, calculated to the total weight of the composition.

Most preferred is the combination of xanthan gum and gellan gum.

Further it is preferred if the emulsion according to the invention comprises further short chain polyols comprising 2 to 8 carbon atoms. Preferred polyols of that type are butylene glycol, glycerol (=glycerin) , propylene glycol, pentylene glycol, butylene glycol, 1, 2 hexanediol, 1, 2 heptanediol, 1, 2 propanediol, methylpropanediol and caprylyl glycol.

It is preferred if those preferred polyols are contained in quantities ranging from 0.5 to 10%by weight, more preferably 1 to 9%by weight and most preferably from 1.5 to 8%by weight, calculated to the total weight of the composition.

Further it is preferred if the emulsion comprises phenoxyethanol and/or ethylhexylglycerin.

For the case that phenoxyethanol is contained it is preferred if the total quantity of phenoxyethanol is in the range from 0.1 to 2.0%by weight, preferably from 0.6 to 1.4%by weight, calculated to the total weight of the emulsion.

For the case that ethylhexylglycerin is contained it is preferred if the total quantity of ethylhexylglycerin is in the range from 0.1 to 1.2%by weight, calculated to the total weight of the emulsion.

Further it is preferred according to the invention if at least one nonionic emulsifier is contained. Although, basically all nonionic emulsifiers can be contained in the emulsion of the invention, some emulsifiers were found to be particularly beneficial for the effect described. Preferred nonionic emulsifiers are selected from oleth-20, glyceryl stearate, glyceryl stearate SE and PEG-40 hydrogenated castor oil.

It is particularly preferred are glyceryl stearate and/or glyceryl stearate SE.

For the case that at least one nonionic emulsifier is contained, it is preferred if the total quantity of the nonionic emulsifier is in the range from 0.2 to 4.0%by weight, more preferably from 0.5 to 3.0%by weight and most preferably 1.3 to 2.8%by weight, calculated to the total weight of the emulsion.

For the case that at least one nonionic emulsifier selected from oleth-20, glyceryl stearate, glyceryl stearate SE and PEG-40 hydrogenated castor oil is contained, it is preferred if the total quantity of those nonionic emulsifier is in the range from 0.2 to 4.0%by weight, more preferably from 0.5 to 3.0%by weight and most preferably 1.3 to 2.8%by weight, calculated to the total weight of the emulsion.

According to the invention it is also preferred, if at least one anionic emulsifier is contained, which is advantageously selected from the group of anionic emulsifiers having a hlb value ranging from 8 to 18, in particular from 10 to 15.

Preferred anionic emulsifiers are selected from glyceryl stearate citrate, sodium cetearyl sulfate and glyceryl citrate.

According to the invention it is preferred if the total quantity of anionic emulsifier is in the range from 0.05 to 2.0%by weight, more preferably 0.07 to 0.3%by weight, calculated to the total weight of the emulsion.

According to the invention it is preferred if the total quantity of glyceryl stearate citrate, sodium cetearyl sulfate and/or glyceryl citrate is in the range from 0.05 to 2.0%by weight, more preferably 0.07 to 0.3%by weight, calculated to the total weight of the emulsion.

It is also advantageous according to the invention if further active ingredients are contained. These are advantageously selected from the group containing sodium hyaluronate, 1-methylhydantoin-2-imide, creatine, folic acid, panthenol, pantolactone, vitamin C, magnolia, calcium pantothenate and sodium ascorbyl phosphate. The active ingredients mentioned in the group are advantageously used in total proportions of up to 2%by weight, preferably less than 1%by weight, based on the total weight of the composition.

Further it is preferred if the emulsion is an oil in water emulsion.

Further it is preferred if water is contained in the emulsion in a total quantity ranging from 75.0%by weight to 95.0%by weight, calculated to the total weight of the emulsion.

Figures and its brief description

Figure 1 shows a picture of Example 1;

Figure 2 shows a picture of Example 2;

Figure 3 shows a picture of Example 3; and

Figure 4 shows a picture of Example 4.

Examples

The following examples should illustrate the compositions of this invention, without intending to limit the invention to these examples. The numerical values in the examples are percentages by weight, based on the total weight of the preparations.

The example Ex. 2 is according to the invention. The remaining examples are reference examples.

The anti-foaming properties of the formulas above were analyzed in the following manner:

1. prepare the material: test sample, Pipette which can measure 200μL sample, artificial skin (black PU artificial leather) , metronome, stopwatch, camera, photograph light box, and camera fixing system.

2. Apply 200μL of the example formulation on the left 1/3 of the artificial skin.

3. Start the metronome with 96 bpm, to make sure the spreading frequency is same in each testing.

4. Start the stopwatch to record the spread time, immediately start to spread the product on the artificial skin by moving 3 fingers right and left to the beat of the metronome for 30 sec.

5. Take a picture of the artificial skin. Then use image analyze software (imageJ) to adjust the picture to 8-digit gray mode.

6. The recorded pictures are presented in Figures 1 to 4, wherein the number of the picture corresponds to the number of the example formulation above.

Example 1 is a reference example containing methylheptylglycerin. Adding a hydrophobic particle, here silica cetyl silylate, allows a significant reduction of appearance of white foam, indicating a synergism (Ex. 2, Figure 2) . If only silica cetyl silylate is contained (Ex. 4) almost no reduction is observed (Figure 4) .

Further examples:

Ingrediens	Ex. 6	Ex. 7	Ex. 8	Ex. 9	Ex. 10
Methylheptylglycerin	0.3	0.7	0.5	0.55	0.6
Dicaprylyl Ether	1.9	0.5	1.2	1.6	1.0
Silica Cetyl Silylate (Aerosil R816)	0.07	0.2	0.15	0.11	0.03
Ethylhexylglycerin	0.2	0.2	0.2	0.2	0.2
Caprylic/Capric Triglyceride	3.05	3.05	3.05	3.05	3.05
Butyrospermum Parkii Butter	1.38	1.38	1.38	1.38	1.38
Sodium Cetearyl Sulfate	0.09	0.09	0.09	0.09	0.09
Glyceryl Stearate SE	2.01	2.01	2.01	2.01	2.01
Glycerin	7	7	7	7	7

Phenoxyethanol	0.9	0.9	0.9	0.9	0.9
Cetearyl Alcohol	4.09	4.09	4.09	4.09	4.09
Gellan Gum	0.08	0.08	0.08	0.08	0.08
Xanthan Gum	0.07	0.07	0.07	0.07	0.07
Aqua	Ad 100	Ad 100	Ad 100	Ad 100	Ad 100

Ingrediens	Ex. 11	Ex. 12	Ex. 13	Ex. 14	Ex. 15	Ex. 16
Methylheptylglycerin	0.3	0.7	0.5	0.55	0.6	0.5
Silica caprylyl silylate	0.01		0.07		0.03	0.02
Silica dimethyl silylate		0.05		0.1	0.02	0.01
Disteayl Ether	1.9	0.5	1.2	1.6	1.0
Isopropyl Palmitate						4.0
Ethylhexylglycerin	0.2	0.2	0.2	0.2	0.2	0.2
Caprylic/Capric Triglyceride	3.05	3.05	3.05	3.05	3.05	3.0
Butyrospermum Parkii Butter	1.38	1.38	1.38	1.38	1.38	1.2
Sodium Cetearyl Sulfate	0.09	0.09	0.09	0.09	0.09	0.09
Glyceryl Stearate SE	2.01	2.01	2.01	2.01	2.01	2.01
Glycerin	7	7	7	7	7	6
Phenoxyethanol	0.9	0.9	0.9	0.9	0.9	0.9
Cetearyl Alcohol	4.09	4.09	4.09	4.09	4.09	4.1
Gellan Gum	0.08	0.08	0.08	0.08	0.08	0.08
Xanthan Gum	0.07	0.07	0.07	0.07	0.07	0.07
Aqua	Ad 100	Ad 100	Ad 100	Ad 100	Ad 100	Ad 100

Claims

Cosmetic emulsion comprising based on the total weight of the composition

a. 0.05 to 5.0%by weight of methylheptylglycerin,

b. At least one hydrophobic or hydrophobically modified particle,

c. less than 0.1%or 0%by weight of a silicone oil.
Emulsion according to claim 1 characterized in that the total quantity of methylheptylglycerin is in the range from 0.1 to 2%by weight, preferably from 0.2 to 1.5%by weight and more preferably from 0.3 to 1.1%by weight, calculated to the total weight of the emulsion.
Emulsion according to one of the proceeding claims characterized in that the emulsion comprises at least a hydrophobically modified silica.
Emulsion according to claim 3 characterized in that hydrophobically modified silica are selected from the group consisting of silica silylate, silica cetyl silylate, silica caprylyl silylate; silica dimethicone silylate and silica dimethyl silylate.
Emulsion according to claim 3 or 4 characterized in that the total quantity of hydrophobically modified silica is in the range 0.01 to 2.0%by weight, preferably 0.02 to 1.0%by weight and more preferably 0.03 to 0.25%by weight calculated to the total weight of the emulsion.
Emulsion according to claim 4 characterized in that the total quantity of silica silylate, silica cetyl silylate, silica caprylyl silylate; silica dimethicone silylate and/or silica dimethyl silylate is in the range 0.01 to 2.0%by weight, preferably 0.02 to 1.0%by weight and more preferably 0.03 to 0.25%by weight calculated to the total weight of the emulsion.
Emulsion according to any proceeding claim characterized in that the hydrophobic or hydrophobically modified particles have a mean particle size of 17 to 300 μm, preferably 20 to 100 μm and more preferably 30 to 80 μm.
Use of methylheptylglycerin in combination with at least one hydrophobic or hydrophobically modified particle, in particular a hydrophobically modified silica, for reducing white foam in a cosmetic emulsion.