KR102452729B1 - Composition comprising ellagic acid compound - Google Patents

Abstract

The present invention provides a composition comprising (a) at least one ellagic acid compound; (b) at least one phosphoric acid compound; (c) at least one metal oxide; and (d) water, wherein the amount of (a) ellagic acid compound in the composition is 0.1% by weight or more based on the total weight of the composition. The present invention may provide a composition comprising at least one ellagic acid compound having enhanced stability so that the color of the composition does not substantially change over time.

Description

Composition comprising ellagic acid compound

The present invention relates to a composition, in particular a cosmetic composition comprising at least one ellagic acid compound, preferably a keratin material, for example for the skin.

Compositions comprising one or more ellagic acid compounds, for example, cosmetic or dermatological articles, have a problem with respect to color change over time. Up to now, in order to solve this problem, a method for encapsulating an ellagic acid compound has been proposed (see Japanese Patent Application Laid-Open No. 2005-2012).

However, encapsulation of ellagic acid and/or its salt is not easy.

It is an object of the present invention to provide a composition comprising at least one ellagic acid compound having enhanced stability so that the color of the composition does not substantially change over time.

The purpose is

(a) at least one ellagic acid compound;

(b) at least one phosphoric acid compound;

(c) at least one metal oxide;

(d) water

As a composition comprising, (a) the amount of the ellagic acid compound in the composition is 0.1% by weight or more with respect to the total weight of the composition, preferably a cosmetic composition, more preferably a skin cosmetic composition.

The amount of (a) ellagic acid compound in the composition may be 0.1 to 5% by weight, preferably 0.2 to 1% by weight, more preferably 0.3 to 0.8% by weight based on the total weight of the composition.

(b) the phosphoric acid compound,

(1) a compound of formula (XIV):

[wherein, R ₁ , R ₂ and R ₃ may be the same or different, and a group OM (M represents an alkali metal), a group OR ₄ (R ₄ is linear, branched, cyclic or aromatic C ₅ to C ₄₀ represents an alkyl group), OH group and an oxyethylene group (OCH ₂ CH ₂ ) _n (OCH ₂ CHCH ₃ ) _m OR (R represents a hydrogen atom or a linear or branched C ₁ to C ₂₀ alkyl group, n and m are integer, n ranges from 1 to 50, and m ranges from 0 to 50)],

(2) glycerophospholipids, and

(3) mixtures thereof

It can be selected from the group consisting of.

(b) the phosphoric acid compound may be selected from the group consisting of trioleyl phosphate, triC _12-15 pareth-10 phosphate, potassium cetyl phosphate, cetes-10 phosphate, dipotassium phosphate, and mixtures thereof.

(b) the phosphoric acid compound is a phosphoric acid monoester of an alkoxylated fatty alcohol containing 12 to 20 carbon atoms and 1 to 50 moles of an alkylene oxide selected from ethylene oxide and propylene oxide, containing 12 to 22 carbon atoms. dialkyl phosphates of non-alkoxylated alcohols and mixtures thereof.

(b) the phosphoric acid compound may be selected from the group consisting of a combination of ceteth-10 phosphate and dicetyl phosphate, a combination of cetes-20 phosphate and dicetyl phosphate, and a combination of oleth-5 phosphate and dioleyl phosphate. .

(b) the phosphoric acid compound may be selected from glycerophospholipids represented by the formula (XV):

[During the ceremony,

R ₁ and R ₂ represent, independently of each other, saturated or unsaturated, optionally branched fatty acids containing 4 to 24 carbon atoms, optionally substituted with one or more hydroxyl and/or amine functions,

X represents a substituent of the formula R ₃ R ₄ R ₅ N ⁺ -CH(R ₆ )-CH ₂ -, R ₃ , R ₄ , R ₅ and R ₆ are each independently a hydrogen atom, 1-6 carbons represents an atom-containing alkyl group and/or carboxyl functional group].

The amount of (b) phosphoric acid compound in the composition may be 0.01 to 20% by weight, preferably 0.05 to 10% by weight, more preferably 0.1 to 5% by weight with respect to the total weight of the composition.

(c) the metal oxide may be selected from titanium oxide, iron oxide, zirconium oxide, zinc oxide, cerium oxide, and mixtures thereof.

(c) The metal oxide does not need to be coat|covered.

(c) The metal oxide may be present in the coating of the substrate, preferably in the form of particles.

The amount of (c) metal oxide in the composition may be 0.1 to 30% by weight, preferably 0.5 to 20% by weight, more preferably 1 to 10% by weight with respect to the total weight of the composition.

The amount of (d) water in the composition may be 50 to 90% by weight, preferably 60 to 85% by weight, and more preferably 70 to 80% by weight with respect to the total weight of the composition.

The present invention also provides a method for preventing or reducing a change in color of a composition comprising (a) at least one ellagic acid compound, (c) at least one metal oxide and (d) water, wherein (b) at least A method comprising adding one phosphoric acid compound to the composition.

The present invention also provides for preventing or reducing a change in color of a composition comprising (a) at least one ellagic acid compound, (c) at least one metal oxide and (d) water (b) at least one It relates to the use of phosphoric acid compounds.

As a result of intensive research, the present inventors have found that it is possible to produce a composition comprising at least one ellagic acid compound whose stability is enhanced so that the color of the composition does not substantially change over time.

Accordingly, the composition according to the present invention comprises:

(a) at least one ellagic acid compound;

(b) at least one phosphoric acid compound;

(c) at least one metal oxide; and

(d) water

wherein the amount of (a) ellagic acid compound in the composition is 0.1% by weight or more based on the total weight of the composition.

The composition according to the invention is stable in that its color does not change substantially, preferably in particular in terms of yellow or brown color. Thus, the composition according to the invention does not give a negative impression to the consumer.

In addition, since the color of the composition does not change indicates that the ellagic acid compound can maintain its original form and does not react with any substances, the composition according to the present invention can maintain the activity of the ellagic acid compound.

Since ellagic acid compounds can act as whitening agents, the compositions according to the invention can preferably be used for whitening keratin materials, for example skin.

Hereinafter, the composition, method, use and the like according to the present invention will be described in detail.

[Composition]

A composition according to the invention comprises (a) at least one ellagic acid compound; (b) at least one phosphoric acid compound; (c) at least one metal oxide; and (d) water, wherein the amount of (a) ellagic acid compound in the composition is 0.1% by weight or more based on the total weight of the composition.

The composition according to the present invention is preferably a cosmetic or dermatological composition, more preferably a cosmetic composition, even more preferably a keratin material, for example, a cosmetic care composition for skin. In particular, the composition according to the invention can be used as a cosmetic or dermatological article for whitening of keratin materials, for example skin.

The components (a) to (d) and other features of the composition according to the invention are described below.

(ellagic acid compound)

The composition according to the invention comprises (a) at least one ellagic acid compound. You may use combining 2 or more types of ellagic acid compound. Thus, a single type of ellagic acid compound, or a combination of different types of ellagic acid compound may be used.

(a) Ellagic acid compounds include ellagic acid and salts thereof, metal complexes thereof, monoethers or polyethers thereof, monoacylated or polyacylated derivatives and carbonate or carbamate derivatives thereof derived from hydroxyl groups.

(a) It may be desirable for the ellagic acid compound to be capable of forming a chelate ring with an ion, for example a metal ion, or a different ellagic acid compound.

Ellagic acid is represented by the following formula. Ellagic acid can be obtained, for example, from Minasolve (product name: Minacare Elage).

Salts of ellagic acid are, in particular, metal salts, in particular alkali metal or alkaline earth metal salts, for example sodium, potassium, magnesium and calcium salts; amine salts, for example salts of methylglutamine, diethanolamine, triethanolamine, choline or bis(triethylamine); salts of amino acids, especially salts of basic amino acids, such as arginine, lysine and ornithine.

Metal complexes of ellagic acid may include, inter alia, metal complexes with zinc and copper.

The monoether or polyether derivatives of ellagic acid may in particular comprise alkoxy derivatives having from 1 to 4 carbon atoms, or condensed derivatives of one or more hydroxyl groups of ellagic acid with sugars or sugar chains. In particular, monoether or polyether derivatives having 3-methoxyellagic acid or sugars such as glucose, arabinose, rhamnose and galactose.

The monoacylated or polyacylated derivatives of ellagic acid may in particular comprise saturated or unsaturated acyl groups having from 2 to 22 carbon atoms. Preferably, these acyl groups are acetic acid, palmitic acid, oleic acid, linoleic acid, linolenic acid, arachidonic acid, stearic acid, brassic acid, erucic acid, behenic acid and (all Z)-5,8,11,14, Corresponds to 17-eicosapentaenoic acid.

The ether or acylated derivative can be obtained by a polyphenol etherification method or an acylation method well known to those skilled in the art. Some can also be obtained by extraction from plants.

(a) The ellagic acid compound can be represented by the formula:

[During the ceremony,

Each of R ₁ to R ₄ is independently a hydrogen atom, an alkyl group, an alkoxy group, a polyoxyalkylene group, or a sugar represented by the following formula:

represents,

R ₅ represents a hydrogen atom or an alkoxy group].

As the alkyl group, a C _1-20 alkyl group, preferably a C _1-10 alkyl group, for example, a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a tert-butyl group, a pentyl group, a neopentyl group , a hexyl group, a cyclohexyl group, an octyl group, a nonyl group and a decyl group. The alkyl group may be substituted with a halogen group, for example, a fluorine atom or a hydroxyl group.

As the alkoxy group, mention may be made of a C _1-20 alkoxy group, preferably a C _1-6 alkoxy group, for example, a methoxy group, an ethoxy group, a propoxy group and a butoxy group. The alkoxy group may be substituted with a halogen group, for example, a fluorine atom or a hydroxyl group.

The composition according to the present invention need not include any capsules or the like to encapsulate the ellagic acid compound.

The amount of (a) ellagic acid compound in the composition according to the present invention is 0.1% by weight or more, based on the total weight of the composition.

The amount of (a) ellagic acid compound in the composition may be 0.2% by weight or more, preferably 0.3% by weight or more, and more preferably 0.4% by weight or more with respect to the total weight of the composition. More preferably, the amount of (a) ellagic acid compound in the composition according to the present invention is 0.5% by weight or more, based on the total weight of the composition.

On the other hand, the amount of (a) ellagic acid compound in the composition according to the present invention may be 5 wt% or less, preferably 1 wt% or less, and more preferably 0.8 wt% or less, based on the total weight of the composition. Even more preferably, the amount of (a) ellagic acid compound in the composition according to the present invention is 0.7% by weight or less, based on the total weight of the composition.

The amount of (a) ellagic acid compound in the composition according to the present invention may be in the range of 0.1 to 5% by weight, preferably 0.2 to 1% by weight, more preferably 0.3 to 0.8% by weight, based on the total weight of the composition. More preferably, the amount of (a) ellagic acid compound in the composition according to the present invention is from 0.4% to 0.7% by weight, based on the total weight of the composition.

(phosphoric acid compound)

The composition according to the invention comprises (b) at least one phosphoric acid compound. You may use combining 2 or more types of phosphoric acid compounds. Accordingly, a single type of phosphoric acid compound or a combination of different types of phosphoric acid compound may be used.

As used herein, the term “phosphoric acid compound” refers to a compound having at least one phosphoric acid group.

The "phosphoric acid compound" may have at least one phosphoric acid group, in particular one phosphoric acid group.

The phosphoric acid compound may be selected from organic phosphates, inorganic phosphates and mixtures thereof.

The inorganic phosphate may preferably be selected from inorganic salts of phosphoric acid, for example metal salts or ammonium salts of phosphoric acid.

The inorganic phosphate may more preferably be in the form of a metal salt. The metal salt may be an alkali metal salt. The alkali metal salt may be selected from alkali metal salts of phosphoric acid, for example mono, di or tri sodium phosphate and mono, di or tri potassium phosphate. Dipotassium phosphate may be even more preferred.

It may also be preferred that the organic phosphate is selected from phosphate esters, for example mono, di or tri organic phosphates.

According to one embodiment, (b) the phosphoric acid compound is

(1) a compound of formula (XIV):

[Wherein, R ₁ , R ₂ and R ₃ may be the same or different,

group OM (M represents an alkali metal such as Na, Li or K, preferably Na or K);

group OR ₄ (R ₄ represents a linear, branched, cyclic or aromatic C ₅ to C ₄₀ alkyl group, preferably a C ₁₂ to C ₂₀ alkyl group, more preferably a C ₁₆ or C ₁₈ alkyl group),

OH groups, and

oxyethylene group (OCH ₂ CH ₂ ) _n (OCH ₂ CHCH ₃ ) _m OR (R is a hydrogen atom or a linear or branched C ₁ to C ₂₀ alkyl group, such as a C ₅ to C ₁₈ and C ₁₂ to C ₁₅ alkyl group , n and m are integers, n is in the range of 1 to 50, or 10, and m is in the range of 0 to 50, or 0).

(2) glycerophospholipids, and

(3) mixtures thereof

It can be selected from the group consisting of.

wherein at least one of R ₁ , R ₂ and R ₃ is a group -OM, and at least one of R ₁ , R ₂ and R ₃ is a group -OR ₄ or -(OCH ₂ CH ₂ ) _n ( OCH ₂ CH(CH ₃ )) _m OR (n and m are the same as above).

Further, in the formula (XIV), at least one of R ₁ , R ₂ and R ₃ is a group -OM, at least one of R ₁ , R ₂ and R ₃ is a group -OH, R ₁ , R ₂ and R It may be preferred that at least one of ₃ is a group -OR ₄ or -(OCH ₂ CH ₂ ) _n (OCH ₂ CH(CH ₃ )) _m OR (n and m are the same as above).

Further, in Formula (XIV), one of R ₁ , R ₂ and R ₃ is a group -OM, and one of R ₁ , R ₂ and R ₃ is a group -OH, and among R ₁ , R ₂ and R ₃ , It may be preferred that one is the group -OR ₄ or -(OCH ₂ CH ₂ ) _n (OCH ₂ CH(CH ₃ )) _m OR (n and m are the same as above).

Further, in the formula (XIV), at least one, or two, or further all of the radicals R ₁ , R ₂ and R ₃ contain a group —OR ₄ , and R ₄ is a linear or branched C ₁₀ to It may be preferred to represent a C ₃₀ , in particular a C ₁₅ to C ₂₀ or even a C ₁₆ or C ₁₈ alkyl group. In this case, R ₁ , R ₂ and R ₃ may be the same or different.

Non-limiting examples of these compounds of formula (XIV) include, for example, trioleyl phosphate, such as Nikkol TDP sold by Nikko Chemicals, an ether of phosphoric acid and ethylene glycol and a C ₁₂ to C ₁₅ fatty alcohol. mixtures of triesters (about 10 EOs) (INCI name: tri-C _12-15 pareth-10 phosphate), for example Nikkol TDP-10 sold by the company Nikko Chemicals, potassium cetylphosphate, for example Mention may be made of Amphisol K sold by the company DSM Nutritional Products or Arlatone MAP 160K from Uniqema, and ceteth-10 phosphate, for example Protaphos CET-10 from Protameen Chemicals.

(b) The phosphoric acid compound may preferably have the function of a surfactant. Therefore, the phosphoric acid compound (b) may be a phosphoric acid surfactant.

(b) the phosphoric acid compound is a phosphoric acid monoester of an alkoxylated fatty alcohol containing 12 to 20 carbon atoms and 1 to 50 moles of an alkylene oxide selected from ethylene oxide and propylene oxide, containing 12 to 22 carbon atoms. dialkyl phosphates of non-alkoxylated alcohols, and mixtures thereof. The alkyl moiety of the fatty alcohol or non-alkoxylated alcohol may be a linear or branched saturated or unsaturated alkyl group.

(b) the phosphoric acid compound may be selected from the group consisting of a combination of ceteth-10 phosphate and dicetyl phosphate, a combination of cetes-20 phosphate and dicetyl phosphate, and a combination of oleth-5 phosphate and dioleyl phosphate. .

As a product containing a combination of ceteth-10 phosphate and dicetyl phosphate, CRODAFOS CES marketed by Croda Inc. (USA) may be mentioned. As a product containing a combination of ceteth-20 phosphate and dicetyl phosphate, CRODAFOS CS-20 ACID marketed by Croda Inc. (USA) may be mentioned. As a product comprising a combination of oleth-5 phosphate and dioleyl phosphate, CRODAFOS HCE marketed by Croda Inc. (USA) may be mentioned.

For the purposes of the present invention, the term "glycerophospholipids" denotes an ester obtained by reacting glycerol with at least one saturated or unsaturated fatty acid and phosphoric acid, said phosphoric acid being obtained from an alcohol having an amine function, in particular from a β-aminoalcohol. substituted with a compound of choice. The β-aminoalcohol may be selected, for example, from choline, ethanolamine and/or serine.

Glycerophospholipids can be defined according to the following formula (XV):

[During the ceremony,

R ₁ and R ₂ represent, independently of each other, saturated or unsaturated, optionally branched fatty acids containing 4 to 24 carbon atoms, optionally substituted with one or more hydroxyl and/or amine functions,

X represents a substituent of the formula R ₃ R ₄ R ₅ N ⁺ -CH(R ₆ )-CH ₂ -, R ₃ , R ₄ , R ₅ and R ₆ are each independently a hydrogen atom, 1-6 carbons represents an atom-containing alkyl group and/or carboxyl functional group]. X may in particular be selected from choline, serine and ethanolamine.

According to one embodiment, R ₁ and R ₂ are independently of each other, advantageously butyric acid, caproic acid, caprylic acid, capric acid, caproic acid, lauric acid, lauroleic acid, myristic acid, myristol leic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, linolenic acid, arachidic acid, isostearic acid, dihydroxystearic acid and ricinoleic acid.

The glycerophospholipid may also be a mixture of compounds of formula (XV).

Glycerophospholipids preferred for use in the present invention may contain, for example, phosphatidylcholine, phosphatidylethanolamine and/or phosphatidylserine.

According to one embodiment, glycerophospholipids may include esters of glycerol, unsaturated fatty acids, phosphoric acid and choline, also known as phosphatidylcholine (PC).

A preferred glycerophospholipid for use in the present invention may be derived from lecithin. Lecithin may mainly comprise phosphatidylcholine as a glycerophospholipid.

The preferred phosphatidylcholine (PC) for use in the compositions according to the invention may be of "natural" or "synthetic" origin.

"Natural" PC can be obtained by extraction from animal or plant sources such as soybeans, sunflowers or eggs. For example, unhydrogenated phosphatidylcholine, which is naturally obtained from soybeans, generally contains palmitic acid, stearic acid, palmitoleic acid, oleic acid, linoleic acid, linolenic acid and optional C ₂₀ to C ₂₂ fatty acids as glycerol esterified fatty acids.

For the purposes of the present invention, the term “synthetic phosphatidylcholine” is intended to mean a phosphatidylcholine comprising at least one fatty acid different from that which may be present in natural PC.

Furthermore, the term "synthetic PC" is intended to mean a natural PC that has been modified, for example partially hydrogenated, ie in which a very small fraction of the double bonds present in the unsaturated fatty acids are maintained.

Among the raw materials of phosphatidylcholine, which are purified to some extent, suitable for use in the cosmetic composition according to the present invention, Emulmetik 930 sold by Lucas Meyer can be mentioned.

The glycerophospholipids preferred for use in the present invention may be incorporated into the composition in the form of lecithin. This lecithin is generally obtained from vegetable or animal fat by lipid extraction using a non-polar solvent. This lipid fraction usually comprises a glycerophospholipid comprising mainly phosphatidylcholine or phosphatidylethanolamine.

The lecithin preferred for use in the present invention may be lecithin derived from soybean, sunflower or egg and/or a mixture thereof.

Lecithin is usually supplied in a dissolved form in fatty acids, triglycerides or other solvents, or in powder or cake form.

These are usually mixtures of lecithins that are marketed in the product, generally in a glycerophospholipid content in the range of from at least about 15% to at least about 95%.

In an exemplary embodiment, the lecithin used as starting material for the preparation of the composition according to the invention is at least 45% by weight, for example at least 65% by weight, for example at least 75% by weight relative to the total weight of the lecithin. %, for example at least 85% by weight, or for example at least 95% by weight of glycerophospholipids.

Among the lecithins that may be preferred for use in the cosmetic composition according to the present invention, lecithins sold under the reference names Nattermann Phospholipid ^® , Phospholipon 80 ^® and Phosale 75 ^® by the American Lecithin Company, and sold by the company Lucas Meyer Epikuron 145V, Topcithin 300, Emulmetik 930 and Ovothin 200 can be mentioned.

The glycerophospholipid may be a non-hydrogenated glycerophospholipid, that is, an ester obtained by reacting glycerol with at least one unsaturated fatty acid and phosphoric acid, wherein the phosphoric acid is substituted with a compound selected from alcohols having an amine functional group, in particular β-aminoalcohols .

The terms “unsaturated” and “unsaturated” are intended to mean the presence of at least one, or even several, double or triple bonds between two carbon atoms.

The glycerophospholipid may be phosphatidylcholine or lecithin.

(b) the phosphoric acid compound is trioleyl phosphate, a mixture of an ether of phosphoric acid and ethylene glycol and a triester of a C ₁₂ to C ₁₅ fatty alcohol (about 10 EOs), potassium cetyl phosphate, ceteth-10 phosphate, dipotassium phosphate , cetyl phosphate and lecithin, and mixtures thereof.

(b) The phosphoric acid compound may be a nonionic surfactant such as trioleyl phosphate or a mixture of an ether of phosphoric acid and ethylene glycol and a triester of a C ₁₂ to C ₁₅ fatty alcohol (about 10 EOs).

The amount of (b) phosphoric acid compound in the composition according to the present invention may be 0.01% by weight or more, preferably 0.05% by weight or more, more preferably 0.1% by weight or more, based on the total weight of the composition. More preferably, the amount of (b) phosphoric acid compound in the composition according to the present invention is 0.5% by weight or more, based on the total weight of the composition.

On the other hand, the amount of (b) phosphoric acid compound in the composition according to the present invention may be 20% by weight or less, preferably 10% by weight or less, more preferably 5% by weight or less, based on the total weight of the composition. More preferably, the amount of (b) phosphoric acid compound in the composition according to the present invention is 3% by weight or less, based on the total weight of the composition.

The amount of (b) phosphoric acid compound in the composition according to the present invention may be in the range of 0.01 to 20% by weight, preferably 0.05 to 10% by weight, more preferably 0.1 to 5% by weight, based on the total weight of the composition. Even more preferably, the amount of (b) phosphoric acid compound in the composition according to the present invention is 0.5% to 3% by weight, based on the total weight of the composition.

(metal oxide)

The composition according to the invention comprises (c) at least one metal oxide. You may use combining 2 or more types of (c) metal oxides. Accordingly, a single type of metal oxide or a combination of different types of metal oxide may be used.

(c) the metal oxide may be selected from titanium oxide, iron oxide, zirconium oxide, zinc oxide, cerium oxide, and mixtures thereof. The titanium oxide is preferably titanium dioxide. Although titanium oxide is amorphous, it may be crystallized in the form of rutile and/or anatase.

(c) The metal oxide is preferably in the form of particles, in particular pigments, more preferably nanopigments. (c) The size (for example, volume or weight average particle diameter) of the metal oxide particles may be 1 nm to 100 µm, preferably 5 nm to 50 µm, more preferably 10 nm to 30 µm.

(c) The metal oxide may or may not be coat|covered.

Coated metal oxides are, for example, compounds described in Cosmetics & Toiletries, February 1990, Volume 105, pages 53-64, such as amino acids, beeswax, fatty acids, fatty alcohols, anionic surfactants, lecithin , fatty acid sodium salt, potassium salt, zinc salt, iron salt or aluminum salt, metal (titanium or aluminum) alkoxide, polyethylene, silicone, protein (collagen or elastin), alkanolamine, silicon oxide, metal oxide, hexametaphosphoric acid The nanopigment treated with sodium, alumina or glycerol may be one or more kinds of surface treatment of chemical, electrical, mechanochemical and/or mechanical properties.

The treated nanopigments include titanium oxide treated with silica and alumina, for example, "Microtitanium Dioxide MT 500 SA" and "Microtitanium Dioxide MT 100 SA" manufactured by Tayca, and "Tioveil Fin", manufactured by Tioxide. Tioveil OPERATIONS MANAGER", "Tioveil MOTG" and "Tioveil IPM";

Titanium oxide treated with alumina and aluminum stearate, for example "Microtitanium Dioxide MT 100 T" manufactured by Tayca,

Titanium oxide treated with alumina and aluminum laurate, for example "Microtitanium Dioxide MT 100 S" manufactured by Tayca,

Titanium oxide treated with iron oxide and iron stearate, for example "Microtitanium Dioxide MT 100 F" manufactured by Tayca,

Titanium oxide treated with silica, alumina and silicon, for example "Microtitanium Dioxide MT 100 SAS", "Microtitanium Dioxide MT 600 SAS" and "Microtitanium Dioxide MT 500 SAS" manufactured by Tayca,

Titanium oxide treated with sodium hexametaphosphate, for example "Microtitanium Dioxide MT 150 W" manufactured by Tayca,

Titanium oxide treated with octyltrimethoxysilane, for example the product "T-805" from Degussa,

titanium oxide treated with alumina and stearic acid, for example the product "UVT-M 160" from Kemira;

titanium oxide treated with alumina and glycerol, for example the product "UVT-M 212" from Kemira, and

Titanium oxide treated with alumina and silicon, for example, coated titanium oxide such as "UVT-M 262" manufactured by Kemira may be used.

The treated zinc oxide may be sold, for example, under the name "Z-COTE HP 1" by Sunsmart.

(c) It is preferable that the metal oxide is not coat|covered.

The uncoated metal oxide may be untreated titanium oxide, for example, sold under the trade name "Microtitanium Dioxide MT 500B" or "Microtitanium Dioxide MT 600B" by Tayca.

Uncoated metal oxides include untreated zinc oxide, for example those sold under the name "Ultra Fine Zinc Oxide Powder" by the company Sumitomo, those sold under the name "Finex 25" by the company Presperse, the company Ikeda What is sold under the name "MZO-25" by Sunsmart, or under the name "Z-COTE" by Sunsmart may be used.

(c) The metal oxide can be introduced into the composition according to the invention either as such or in the form of a pigment paste, ie mixed with a dispersant, as described, for example, in British Patent Application Publication No. 2,206,339.

(c) it is possible for the metal oxide to be present in the substrate, preferably in the coating of particles, in particular pigments, more preferably pearlescent pigments. For example, the metal oxide may be present in the coating of pearlescent pigments such as titanium oxide coated mica and titanium oxide coated glass particles. The coating does not need to be further coated and thus may be exposed to the environment.

Accordingly, as the metal oxide (c) in the present invention, pearlescent pigments such as titanium oxide-coated mica and titanium oxide-coated glass particles can be used.

It is preferred to use granular titanium dioxide particles or mica (and) titanium oxide as (c) metal oxide.

The amount of (c) metal oxide in the composition according to the present invention may be 0.1% by weight or more, preferably 0.5% by weight or more, more preferably 1% by weight or more, based on the total weight of the composition. Even more preferably, the amount of (c) metal oxide in the composition according to the present invention is at least 1.5% by weight, based on the total weight of the composition.

On the other hand, the amount of (c) metal oxide in the composition according to the present invention may be 30% by weight or less, preferably 20% by weight or less, more preferably 10% by weight or less with respect to the total weight of the composition. Even more preferably, the amount of (c) metal oxide in the composition according to the present invention is 5% by weight or less, based on the total weight of the composition.

The amount of (c) metal oxide in the composition according to the present invention may be in the range of 0.1 to 30% by weight, preferably 0.5 to 20% by weight, more preferably 1 to 10% by weight relative to the total weight of the composition. Even more preferably, the amount of (c) metal oxide in the composition according to the invention is from 0.5% to 3% by weight, based on the total weight of the composition.

(water)

The composition according to the invention comprises (d) water.

The amount of (d) water in the composition according to the present invention may be 50% by weight or more, preferably 60% by weight or more, more preferably 70% by weight or more, based on the total weight of the composition. Even more preferably, the amount of (d) water in the composition according to the invention is at least 72% by weight relative to the total weight of the composition.

On the other hand, the amount of (d) water in the composition according to the present invention may be 90 wt% or less, preferably 85 wt% or less, and more preferably 80 wt% or less with respect to the total weight of the composition. Even more preferably, the amount of (d) water in the composition according to the invention is not more than 78% by weight relative to the total weight of the composition.

The amount of (d) water in the composition according to the present invention may be 50 to 90% by weight, preferably 60 to 85% by weight, more preferably 70 to 80% by weight based on the total weight of the composition. Even more preferably, the amount of (d) water in the composition according to the invention is 72% to 78% by weight relative to the total weight of the composition.

(Non-ionic surfactant)

The composition according to the invention may comprise at least one nonionic surfactant. You may use combining 2 or more types of nonionic surfactant. Accordingly, a single type of nonionic surfactant or a combination of different types of nonionic surfactant may be used.

Nonionic surfactants are compounds known per se or by themselves (see, for example, in this regard, "Handbook of Surfactants", MRPorter, Blackie & Son publications (Glasgow and London), 1991, pp. 116-178). Reference). Thus, the nonionic surfactant can be selected, for example, from alcohols, α-diols, alkylphenols and esters of fatty acids, these compounds being ethoxylated, propoxylated or glycerolated, for example 8-30 It has at least one fatty chain containing two carbon atoms, the number of ethylene oxide or propylene oxide groups is in the range of 2-50, and the range of 1-30 of glycerol groups may be sufficient. Mention may also be made of maltose derivatives. Without limitation, copolymers of ethylene oxide and/or propylene oxide; Condensates of ethylene oxide and/or propylene oxide with fatty alcohols; polyethoxylated fatty amides comprising, for example, 2 to 30 moles of ethylene oxide; polyglycerolated fatty amides comprising, for example, 1.5 to 5 glycerol groups, for example 1.5 to 4 glycerol groups; ethoxylated fatty acid ester of sorbitan containing 2 to 30 mol of ethylene oxide; ethoxylated oils of plant origin; fatty acid esters of sucrose; fatty acid esters of polyethylene glycol; polyethoxylated fatty acid monoesters or diesters of glycerol (C ₆ -C ₂₄ )alkyl polyglycosides; N-(C ₆ -C ₂₄ )alkylglucamine derivatives; amine oxides, for example (C ₁₀ -C ₁₄ )alkylamine oxides or N-(C ₁₀ -C ₁₄ )acylaminopropylmorpholine oxides; silicone surfactants; and mixtures thereof may also be mentioned.

The nonionic surfactant may preferably be selected from monooxyalkylenated, polyoxyalkylenated, monoglycerolated or polyglycerolated nonionic surfactants. More specifically, the oxyalkylene unit is an oxyethylene or oxypropylene unit, or a combination thereof, preferably an oxyethylene unit.

Examples of monooxyalkylenated or polyoxyalkylenated nonionic surfactants that may be mentioned include:

monooxyalkylenated or polyoxyalkylenated (C ₈ -C ₂₄ )alkylphenol;

saturated or unsaturated linear or branched monooxyalkylenated or polyoxyalkylenated C ₈ to C ₃₀ alcohols;

saturated or unsaturated linear or branched monooxyalkylenated or polyoxyalkylenated C ₈ to C ₃₀ amides;

Esters of saturated or unsaturated linear or branched C ₈ -C ₃₀ acids and polyalkylene glycols;

monooxyalkylenated or polyoxyalkylenated esters of saturated or unsaturated linear or branched C ₈ -C ₃₀ acids with sorbitol;

saturated or unsaturated monooxyalkylenated or polyoxyalkylenated vegetable oils;

In particular, condensates of ethylene oxide and/or propylene oxide alone or as a mixture are included.

The surfactant preferably comprises a number of moles of ethylene oxide and/or propylene oxide between 1 and 100, most preferably between 2 and 50. According to one embodiment of the present invention, the polyoxyalkylenated nonionic surfactant is selected from polyoxyethylenated fatty alcohols (polyethylene glycol ethers of fatty alcohols) and polyoxyethylenated fatty esters (polyethylene glycol esters of fatty acids).

Examples of polyoxyethylenated saturated fatty alcohols (or C ₈ to C ₃₀ alcohols) that may be mentioned are the ethylene oxide adducts of lauryl alcohol, especially those containing 9 to 50 oxyethylene units, more specifically those containing 10 to 12 oxyethylene units (in CTFA names, laureth-10 to laureth-12); ethylene oxide adducts of behenyl alcohol, especially those containing from 9 to 50 oxyethylene units (in CTFA names, Behenes-9 to Behenes-50); ethylene oxide adducts of cetearyl alcohol (a mixture of cetyl alcohol and stearyl alcohol), especially those containing 10 to 50 oxyethylene units (Ceteareth-10 to Ceteareth-50 in the CTFA name); ethylene oxide adducts of cetyl alcohol, especially those containing 10 to 50 oxyethylene units (in CTFA names, Ceteth-10 to Ceteth-50); ethylene oxide adducts of stearyl alcohol, especially those containing 10 to 50 oxyethylene units (in CTFA names, Steareth-10 to Steareth-50); ethylene oxide adducts of isostearyl alcohol, especially those containing from 10 to 50 oxyethylene units (in CTFA names, isosteareth-10 to isosteareth-50); and mixtures thereof.

Examples of polyoxyethylenated unsaturated fatty alcohols (or C ₈ -C ₃₀ alcohols) that may be mentioned are the ethylene oxide adducts of oleyl alcohol, especially those containing from 2 to 50 oxyethylene units, more specifically those containing from 10 to 40 oxyethylene units (CTFA names, oleth-10 to oleth-40); and mixtures thereof.

As examples of monoglycerolated or polyglycerolated nonionic surfactants, monoglycerolated or polyglycerolated C ₈ to C ₄₀ alcohols are preferably used.

In particular, monoglycerolated or polyglycerolated C ₈ -C ₄₀ alcohols have the formula:

RO-[CH ₂ -CH(CH ₂ OH)-O] _m -H or RO-[CH(CH ₂ OH)-CH ₂ O] _m -H

, wherein R represents a linear or branched C ₈ to C ₄₀ , preferably C ₈ to C ₃₀ alkyl or alkenyl radical, and m is in the range of 1 to 30, preferably 1.5 to 10 represents the number of

Examples of suitable compounds in connection with the present invention include lauryl alcohol containing 4 mol of glycerol (INCI name: polyglyceryl-4 lauryl ether), lauryl alcohol containing 1.5 mol of glycerol, containing 4 mol of glycerol oleyl alcohol (INCI name: polyglyceryl-4 oleyl ether), oleyl alcohol containing 2 mol of glycerol (INCI name: polyglyceryl-2 oleyl ether), cetearyl containing 2 mol of glycerol Mention may be made of alcohol, cetearylalcohol containing 6 mol of glycerol, oleocetylalcohol containing 6 mol of glycerol and octadecanol containing 6 mol of glycerol.

Alcohol may represent a mixture of alcohols in the same way that the value of m represents a statistical value, which means that in a commercial product, a plurality of polyglycerolated fatty alcohols may coexist in the form of a mixture.

Among monoglycerolized or polyglycerolated alcohols, C ₈ /C ₁₀ alcohols containing 1 mol of glycerol, C ₁₀ /C ₁₂ alcohols containing 1 mol of glycerol and C ₁₂ alcohols containing 1.5 mol of glycerol are used. it is preferable

Monoglycerolated or polyglycerolated C ₈ to C ₄₀ fatty esters are of the formula:

R'O-[CH ₂ -CH(CH ₂ OR"')-O] _m -R" or R'O-[CH(CH ₂ OR"')-CH ₂ O] _m -R"

may correspond to, wherein R', R" and R"' are each independently a hydrogen atom, or a linear or branched C ₈ -C ₄₀ , preferably C ₈ -C ₃₀ alkyl-CO- or represents an alkenyl-CO- radical, with the proviso that at least one of R', R" and R"' is not a hydrogen atom and m represents a number in the range from 1 to 30, preferably from 1.5 to 10.

Examples of polyoxyethylenated fatty acid esters that may be mentioned include adducts of ethylene oxide with esters of lauric, palmitic, stearic or behenic acid and mixtures thereof, in particular 9 to 100 oxyethylene units those containing, for example, lauric acid PEG-9 to PEG-50 (CTFA name: lauric acid PEG-9 to lauric acid PEG-50); palmitic acid PEG-9 to PEG-50 (CTFA name: palmitic acid PEG-9 to palmitic acid PEG-50); stearic acid PEG-9 to PEG-50 (CTFA name: stearic acid PEG-9 to stearic acid PEG-50); palmitostearic acid PEG-9 to PEG-50; behenic acid PEG-9 to PEG-50 (CTFA name: behenic acid PEG-9 to behenic acid PEG-50); Polyethylene glycol monostearate 100EO (CTFA name: stearic acid PEG-100); and mixtures thereof.

According to one embodiment of the invention, the nonionic surfactants are esters and preferably of polyols and fatty acids with saturated or unsaturated chains containing, for example, from 8 to 24 carbon atoms, preferably from 12 to 22 carbon atoms. polyoxyalkylenated derivatives thereof containing preferably from 10 to 200, more preferably from 10 to 100 oxyalkylene units, for example C ₈ to C ₂₄ , preferably C ₁₂ to C ₂₂ fatty acids Glyceryl esters and polyoxyalkylenated derivatives thereof containing preferably 10 to 200, more preferably 10 to 100 oxyalkylene units, fatty acids C ₈ to C ₂₄ , preferably C ₁₂ to C ₂₂ . sorbitol esters and polyoxyalkylenated derivatives thereof containing preferably 10 to 200, more preferably 10 to 100 oxyalkylene units; Sugar (sucrose, maltose, glucose, fructose and/or alkylglycose) esters of fatty acids having C ₈ to C ₂₄ , preferably C ₁₂ to C ₂₂ , and preferably 10 to 200, more preferably 10 polyoxyalkylenated derivatives thereof containing -100 oxyalkylene units; ethers of fatty alcohols; ethers of sugars with C ₈ -C ₂₄ , preferably C ₁₂ -C ₂₂ fatty alcohols; and mixtures thereof.

As glyceryl esters of fatty acids, glyceryl stearate (mono-, di- and/or glyceryl tristearate) (CTFA name: glyceryl stearate), glyceryl laurate or glyceryl ricinoleate, and these mixtures of which may be cited, as polyoxyalkylenated derivatives thereof, mono-, di- or triesters of fatty acids and polyoxyalkylenated glycerol (mono-, di- or polyalkylene glycol ethers of fatty acids and glycerol) triesters), preferably polyoxyethylenated stearic acid (mono-, di- and/or tristearic acid) glyceryl, for example stearic acid PEG-20 (mono-, di- and/or tristearic acid) Glyceryl may be cited.

Mixtures of these surfactants, for example the product containing glyceryl stearate and PEG-100 stearate sold by the company Uniqema under the name ARLACEL 165, and glyceryl stearate sold by the company Goldschmidt under the name TEGIN Products containing lyl (mono- and glyceryl distearate) and potassium stearate (CTFA name: glyceryl stearate SE) and the like can also be used.

Sorbitol esters of C ₈ -C ₂₄ fatty acids and polyoxyalkylenated derivatives thereof include sorbitan palmitate, sorbitan isostearate, sorbitan trioleate; and esters of fatty acids with, for example, alkoxylated sorbitans containing 20 to 100 EOs, for example sorbitan monostearate sold under the name Span 60 by ICI (CTFA name: sorbitan stearate) ), sorbitan monopalmitate (CTFA name: sorbitan palmitate) sold under the name of Span 40 by ICI and sorbitan tristearate 20 EO sold under the name of Tween 65 by ICI. (CTFA name: polysorbate 65), polyethylene sorbitan trioleate (polysorbate 85), or compounds sold under the trade names Tween 20 or Tween 60 by Uniqema.

As an ester of fatty acid and glucose or alkyl glucose, glucose palmitate, alkyl sesquistearate, such as methyl sesquistearate, palmitate alkyl glucose, such as methyl palmitate or ethyl glucose; Methylglucoside fatty ester, diester of methylglucoside and oleic acid (CTFA name: methylglucose dioleate), mixed ester of methylglucoside and a mixture of oleic acid/hydroxystearic acid (CTFA name: dioleic acid/hydroxystearic acid) methylglucose), ester of methylglucoside and isostearic acid (CTFA name: methylglucose isostearate), ester of methylglucoside and lauric acid (CTFA name: methylglucose laurate), methylglucoside and isostear Mixtures of monoesters and diesters of acids (CTFA name: methylglucose sesquiisostearate), mixtures of monoesters and diesters of methylglucoside with stearic acid (CTFA name: methylglucose sesquistearate), especially AMERCHOL Products marketed by the company under the name Glucate SS, and mixtures thereof can be cited.

As an ethoxylated ether of fatty acid and glucose or alkylglucose, for example, an ethoxylated ether of fatty acid and methylglucose, especially polyethylene glycol ether of a diester of methylglucose and stearic acid having about 20 moles of ethylene oxide (CTFA name: di PEG-20 methylglucose stearate), for example the product sold under the name Glucam E-20 by the company AMERCHOL, a mixture of monoesters and diesters of stearic acid with methylglucose, having about 20 moles of ethylene oxide of polyethylene glycol ether (CTFA name: PEG-20 methylglucose sesquistearate), in particular, a product marketed under the name of Glucamate SSE-20 by AMERCHOL and Grillocose PSE-20 by GOLDSCHMIDT products, and mixtures thereof.

As the sucrose ester, for example, saccharose palmitate, saccharose stearate and saccharose monolaurate can be cited.

As the sugar ether, an alkylpolyglucoside can be used, for example, decyl glucoside, for example, a product marketed under the name MYDOL 10 by Kao Chemicals, marketed under the name PLANTAREN 2000 by Henkel and the product sold under the name ORAMIX NS 10 by Seppic, capryl/caprylglucoside, for example under the name ORAMIX CG 110 by the company Seppic or LUTENSOL GD 70 by the company BASF products marketed as, laurylglucoside, for example under the name PLANTAREN 1200 N and PLANTACARE 1200 by the company Henkel, coco-glucoside, for example under the name PLANTACARE 818/UP by the company Henkel cetostearyl glucoside, optionally mixed with cetostearyl alcohol, for example under the name MONTANOV 68 by the company Seppic, under the name TEGO-CARE CG90 by the company Goldschmidt, and those sold under the name EMULGADE KE3302 by the company Henkel, for example arachidyl glucoside sold under the name of MONTANOV 202 by the company Seppic in the form of a mixture of arachidyl and behenyl alcohol and arachidyl glucoside; Particular mention may be made, for example, of cocoylethylglucoside sold under the name MONTANOV 82 by Seppic in the form of a mixture with cetyl and stearyl alcohol (35/65), and mixtures thereof.

Mixtures of glycerides of alkoxylated plant oils may also be cited, for example mixtures of ethoxylated (200 EO) palm and copra (7 EO) glycerides.

The nonionic surfactant according to the present invention preferably contains an alkenyl or branched C ₁₂ to C ₂₂ acyl chain, for example, an oleyl group or an isostearyl group. More preferably, the nonionic surfactant according to the present invention is PEG-20 glyceryl triisostearate.

According to one embodiment of the present invention, the nonionic surfactant is a copolymer of ethylene oxide and propylene oxide, in particular a copolymer of the formula:

HO(C ₂ H ₄ O) _a (C ₃ H ₆ O) _b (C ₂ H ₄ O) _c H

(wherein a, b and c are integers in which a+c is in the range of 2 to 100 and b is in the range of 14 to 60) and mixtures thereof.

According to one embodiment of the present invention, the nonionic surfactant may be selected from silicone surfactants. Mention may be made without limitation to those disclosed in the documents of US Pat. Nos. 5,364,633 and 5,411,744.

The silicone surfactant is preferably of the formula (I):

[During the ceremony,

R ₁ , R ₂ and R ₃ represent, independently of each other, a C ₁ -C ₆ alkyl radical or a -(CH ₂ ) _x -(OCH ₂ CH ₂ ) _y -(OCH ₂ CH ₂ CH ₂ ) _z -OR ₄ radical wherein at least one radical of R ₁ , R _{2 ,} or R ₃ is not an alkyl radical, R ₄ is hydrogen, an alkyl radical or an acyl radical,

A is an integer in the range of 0 to 200,

B is an integer in the range of 0 to 50, provided that A and B are not simultaneously 0;

x is an integer ranging from 1 to 6,

y is an integer from 1 to 30,

z is an integer ranging from 0 to 5]

may be a compound of

According to one preferred embodiment of the present invention, in the compounds of formula (I), the alkyl radical is a methyl radical, x is an integer ranging from 2 to 6 and y is an integer ranging from 4 to 30.

As examples of silicone surfactants of formula (I), mention may be made of compounds of formula (II):

(wherein A is an integer in the range of 20 to 105, B is an integer in the range of 2 to 10, and y is an integer in the range of 10 to 20).

As examples of silicone surfactants of formula (I), mention may also be made of compounds of formula (III):

H-(OCH ₂ CH ₂ ) _y -(CH ₂ ) ₃ -[(CH ₃ ) ₂ SiO] _A′ -(CH ₂ ) ₃ -(OCH ₂ CH ₂ ) _y -OH (III)

(wherein A' and y are integers in the range of 10 to 20).

The compounds of the present invention that can be used are those sold by Dow Corning under the names DC 5329, DC 7439-146, DC 2-5695 and Q4-3667. Compounds DC 5329, DC 7439-146 and DC 2-5695 are each wherein A is 22, B is 2, y is 12, A is 103, B is 10, y is 12, A is 27, B is 3, y is a compound of formula (II) wherein is 12.

Compound Q4-3667 is a compound of formula (III) wherein A is 15 and y is 13.

(optional additive)

The composition according to the invention may also contain, for example, oils, anionic, cationic or amphoteric surfactants, solvents, gums, resins, hydrophilic thickeners, hydrophobic thickeners, dispersants, antioxidants, film-forming agents, preservatives, fragrances, neutralizing agents , pH adjusters, disinfectants, UV masking agents, cosmetic active agents other than component (a), for example vitamins, humectants, emollients, or collagen protectants, and mixtures thereof, any additive commonly used in the cosmetic field. can do.

As the pH adjusting agent, at least one acidifying agent and/or at least one basifying agent (alkaline agent) may be used.

The acidifying agent may be, for example, an inorganic acid or an organic acid such as hydrochloric acid, phosphoric acid, carboxylic acid such as tartaric acid, citric acid and lactic acid, or sulfonic acid.

The acidifying agent may be present in an amount in the range of less than 5% by weight, preferably 3% by weight or less, more preferably 1% or less by weight relative to the total weight of the composition.

The basifying agent, that is, the alkali agent, may be, for example, any inorganic or organic basic agent generally used in cosmetics, for example ammonia; alkanolamines such as mono, di and tri-ethanolamines, isopropanolamines; sodium hydroxide and potassium hydroxide; urea, guanidine and derivatives thereof; basic amino acids such as lysine or arginine; and diamines, such as those described by the structure:

(During the meal,

R represents alkylene, for example propylene optionally substituted with hydroxyl or a C ₁ to C ₄ alkyl radical, and R ₁ , R ₂ , R ₃ and R ₄ are independently a hydrogen atom, an alkyl radical, or a C ₁ -C ₄ hydroxyalkyl radical, which can be exemplified by 1,3-propanediamine and its derivatives). Arginine, urea and monoethanolamine are sometimes preferred.

The composition according to the invention may comprise at least one water-miscible solvent, for example a lower monoalcohol containing from 1 to 5 carbon atoms, a C ₃ to C ₄ ketone, or a C ₃ to C ₄ aldehyde. A water-miscible solvent that can be preferably used is ethanol. The content of the water-miscible solvent may be in the range of 0.1 wt% to 15 wt%, more preferably 1 wt% to 8 wt% with respect to the total weight of the composition.

It is a routine operation for the person skilled in the art to adjust the nature and amount of any of the above additives that may be present in the composition according to the invention so that the desired cosmetic properties are not affected by the additives.

[Produce]

The composition according to the present invention can be prepared by mixing the above essential and optional ingredients in a conventional manner.

For example, the composition according to the invention comprises:

(a) at least one ellagic acid compound;

(b) at least one phosphoric acid compound;

(c) at least one metal oxide; and

(d) water

It can be prepared by a method including a step of mixing and thus setting (a) the amount of the ellagic acid compound in the composition to 0.1% by weight or more with respect to the total weight of the composition.

It is possible to further mix any of the optional ingredients.

It may be more preferable to first mix (a) an ellagic acid compound, (b) a phosphoric acid compound and (d) water, and then further to the mixture (c) a metal oxide to obtain a composition according to the present invention.

Mixing is carried out at any temperature, for example at room temperature (eg 20-25°C, preferably 25°C), preferably at a temperature of 30°C or higher, preferably 40°C or higher, more preferably 50°C or higher. can be done in It may be desirable to further mix with any of the optional ingredients described above, such as a pH adjuster.

The form of the composition according to the present invention is not particularly limited, and may take various forms such as a W/O emulsion, an O/W emulsion, a gel, and a solution. The composition according to the invention may preferably be in the form of an O/W emulsion.

[beauty method]

The composition according to the present invention can be used as a cosmetic or dermatological composition, preferably a cosmetic composition, more preferably a cosmetic composition for keratin materials. As keratin materials, mention may be made of the skin, scalp, hair, mucous membranes, for example lips, and nails.

The composition according to the invention can be used as an antioxidant, whitening, or antibacterial article for keratin materials, for example the skin. In particular, the composition according to the present invention can be used as a whitening article.

The composition according to the invention may preferably be intended for application to the skin, scalp and/or keratin materials such as lips, preferably the skin.

Thus, the composition according to the invention can be used as a cosmetic method for keratin materials, preferably for the skin. In one embodiment, the present invention relates to a cosmetic method, preferably a whitening method, for a keratinous material, preferably the skin, comprising the step of applying a composition according to the invention to the keratinous material.

The composition according to the invention can be used as a topical cosmetic composition in the form of a lotion, milk lotion, cream, gel, paste, serum, packaging material, or spray.

[How to stabilize the color]

The present invention also relates to a color change, preferably a color change over time, of a composition comprising (a) at least one ellagic acid compound, (c) at least one metal oxide and (d) water, more preferably Preferably, it relates to a method for preventing or reducing a color change to yellow or brown over time, comprising the step of (b) adding at least one phosphoric acid compound to the composition.

The amount of (a) ellagic acid compound in the composition may be 0.1% by weight or more with respect to the total weight of the composition.

The description of (a) ellagic acid compound, (b) phosphoric acid compound, (c) metal oxide and (d) water of the composition according to the present invention can be applied to the method for stabilizing color according to the present invention.

The composition used for use according to the present invention may comprise any of the optional ingredients described above with respect to the composition according to the present invention.

[use]

The present invention also relates to a color change, preferably a color change over time, of a composition comprising (a) at least one ellagic acid compound, (c) at least one metal oxide and (d) water, more preferably preferably to the use of (b) at least one phosphoric acid compound for preventing or reducing a change in color to yellow or brown over time.

The amount of (a) ellagic acid compound in the composition may be 0.1% by weight or more with respect to the total weight of the composition.

The description of (a) ellagic acid compounds, (b) phosphoric acid compounds, (c) metal oxides and (d) water of the compositions according to the invention is applicable to the use according to the invention.

The composition used for use according to the present invention may comprise any of the optional ingredients described above with respect to the composition according to the present invention.

Example

The present invention will be described in more detail by way of Examples. However, these examples should not be construed as limiting the scope of the present invention.

(Examples 1-4 and Comparative Examples 1-7)

[Produce]

The compositions according to Examples 1 to 4 and Comparative Examples 1 to 7 were prepared by mixing the components shown in Table 1, respectively. All numerical values of the amounts of ingredients are based on "wt%" of the active ingredient.

[evaluation]

(stability)

The stability of each composition according to Examples 1 to 4 and Comparative Examples 1 to 7 was evaluated as follows:

(1) determining its “b” value (initial) immediately after preparation of the composition;

(2) measuring the “b” value (after 2 weeks) of the composition maintained at 45° C. for 2 weeks;

(3) determining Δb by the difference between the “b” value (initial) and the “b” value (after 2 weeks); and

(4) Classifying Δb based on the following criteria.

Measurements (1) and (2) were carried out using a colorimeter (Konica Minolta, CM-700d, portable spectrophotometer).

Excellent: Δb < 1.0

Good: 1.0≤Δb<2.0

Bad: 2.0≤Δb

Table 1 shows the results of the stability evaluation.

Examples 1 and 2 show that the compositions according to Examples 1 and 2 including the phosphoric acid compound (potassium cetyl phosphate) can prevent or reduce the change in color of the composition with time.

Example 3 shows that the composition according to Example 3 including another phosphoric acid compound (cethes-10 phosphoric acid) can prevent or reduce the change in color of the composition over time.

Example 4 shows that the composition according to Example 4 including another phosphoric acid compound (dipotassium phosphate) can prevent or reduce the change in color of the composition over time.

Comparative Examples 1 and 2 show that the compositions according to Comparative Examples 1 and 2, which do not contain the phosphoric acid compound, cannot prevent or reduce the change in color of the composition with time.

Comparative Examples 1 and 2 also show that the color change with time is caused not only by titanium oxide in particle form, but also by coating of other particles, for example, mica.

Comparative Example 3 shows that the composition according to Comparative Example 3 containing an anionic surfactant (sodium lauryl sulfate) instead of a phosphoric acid compound cannot prevent or reduce the color change of the composition over time.

Comparative Example 4 shows that the composition according to Comparative Example 4 containing another anionic surfactant (sodium cocoylglycine) in place of the phosphoric acid compound cannot prevent or reduce the color change of the composition with time.

Comparative Example 5 shows that the composition according to Comparative Example 5 containing a cationic surfactant (palmitamidopropyltrimonium chloride) instead of a phosphoric acid compound cannot prevent or reduce the change in color of the composition over time.

Comparative Example 6 shows that the composition according to Comparative Example 6 containing another cationic surfactant (cetrimonium chloride) in place of the phosphoric acid compound cannot prevent or reduce the change in the color of the composition over time.

Comparative Example 7 shows that the composition according to Comparative Example 7 containing an amphoteric surfactant (cocamidopropylbetaine) instead of a phosphoric acid compound cannot prevent or reduce the color change of the composition over time.

Examples 1 to 4 and Comparative Examples 1 to 7 show a change in color of a composition in which the phosphoric acid compound contains an ellagic acid compound, a metal oxide and water, preferably a color change with time, more preferably yellow or brown color with time It is proved that it is possible to prevent or reduce the color change to

Claims (15)

(a) at least one ellagic acid compound;
(b) at least one phosphoric acid compound selected from the group consisting of potassium cetyl phosphate, ceteth-10 phosphate, dipotassium phosphate, and mixtures thereof;
(c) at least one metal oxide, a metal oxide selected from titanium dioxide, mica (and) titanium dioxide, and mixtures thereof; and
(d) water
A composition comprising: (a) the amount of the ellagic acid compound in the composition is 0.1% to 5% by weight based on the total weight of the composition, and the amount of the (b) phosphoric acid compound in the composition is the composition of 0.01 wt% to 20 wt%, and the amount of the (c) metal oxide in the composition is 0.1 wt% to 30 wt%, based on the total weight of the composition. The method of claim 1,
The composition in which the amount of the (a) ellagic acid compound in the composition is 0.2 wt% to 1 wt%, based on the total weight of the composition. delete delete delete delete delete 3. The method according to claim 1 or 2,
The composition in which the amount of the (b) phosphoric acid compound in the composition is 0.05% to 10% by weight based on the total weight of the composition. delete 3. The method according to claim 1 or 2,
(c) the composition not coated with a metal oxide. 3. The method according to claim 1 or 2,
wherein (c) the metal oxide is present in the coating of the substrate. 3. The method according to claim 1 or 2,
The composition in which the amount of the (c) metal oxide in the composition is 0.5% by weight to 20% by weight based on the total weight of the composition. 3. The method according to claim 1 or 2,
wherein the amount of (d) water in the composition is 50% to 90% by weight based on the total weight of the composition. (a) at least one ellagic acid compound, (c) at least one metal oxide, comprising a metal oxide selected from titanium dioxide, mica (and) titanium dioxide, and mixtures thereof, and (d) water A method of preventing or reducing the color change of a composition, wherein the amount of the (a) ellagic acid compound in the composition is 0.1% to 5% by weight based on the total weight of the composition, and the (c) in the composition The amount of the metal oxide is 0.1% to 30% by weight based on the total weight of the composition, and (b) at least one phosphoric acid compound, such as potassium cetylphosphate, ceteth-10phosphate, dipotassium phosphate, and their A method selected from the group consisting of mixtures, comprising the step of adding a phosphoric acid compound to said composition in an amount of 0.01% to 20% by weight, based on the total weight of said composition. delete