Composition comprising a glycolipid, a polylysine and a polyol
A composition with glycolipids, polylysine, and polyols addresses the challenge of maintaining deposition on keratinous materials by enhancing viscosity and facilitating easy application, providing effective cleansing and biological benefits.
Patent Information
- Application Number
- JP2024099716
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2026-01-08
AI Technical Summary
Existing compositions containing glycolipids face challenges in maintaining deposition on keratinous materials like skin during rinsing and can be impractical due to low viscosity, leading to dripping and difficulty in application.
A composition comprising glycolipids, cationic polymers such as polylysine, and polyols with specific mass percentages, which enhances viscosity and facilitates deposition, even when rinsed off with water.
The composition provides effective glycolipid deposition on keratinous materials, is easy to handle, and offers enhanced cleansing and biological benefits, including anti-inflammatory and antibacterial effects.
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Abstract
Description
[Technical Field]
[0001] The present invention relates to a composition comprising a glycolipid, a polylysine and a polyol, and a cosmetic method using the composition. [Background technology]
[0002] Skin cleansing is very important for facial care and must be as effective as possible, since fatty residues, such as excess sebum, residues of daily cosmetic and makeup products, can accumulate in the wrinkles of the skin and clog the skin pores, resulting in the appearance of age spots.
[0003] The formulation of environmentally compatible cosmetics, designed and developed with environmental issues in mind, has become a major goal in the pursuit of meeting global challenges, and it is therefore essential to propose more sustainable compositions, preparation methods and ingredients to address these environmental issues.
[0004] In this context, it is important to develop new cosmetic compositions, such as new cleansing compositions, that have a better carbon footprint, in particular by promoting the use of renewable raw materials and / or materials with a good naturalness index and / or materials of natural origin.
[0005] Biosurfactants such as glycolipids, particularly rhamnolipids, are naturally occurring materials known to have unique biological activities such as anti-inflammatory, anti-allergic, and antibacterial effects. [Prior art documents] [Patent documents]
[0006] [Patent Document 1] FR 2889448 [Patent Document 2] FR 2851465 [Patent Document 3] FR 2853533 [License 4] U.S. Patent No. 2,528,378 [Patent Document 5] U.S. Patent No. 2,781,354 [Non-licensed literature]
[0007] [Non-licensed Document 1] M. Schmidt's doctoral dissertation (1990), Technical University of Braunschweig [Non-licensed Document 2] Schulz, (1991) Z. Naturforsch., 46C, pages 197~203 [Non-licensed Document 3] AP Tulloch, JFT Spencer and PAJ Gorin, Can. J. Chem. (1962), 40, 1326 [Non-licensed Document 4] U. Gobbert, S. Lang and F. Wagner, Biotechnology Letters (1984), 6 (4), 225 [Non-licensed Document 5] Ishigami, (1987), J. Jpn. Oil Chem. Soc., 36, pages 847~851 [Non-licensed Document 6] Schultz, (1991), Z. Naturforsch., 46C, pages 197~203 [Non-licensed Document 7] Passeriら, (1991), Z. Naturforsch., 46C, pages 204~209 [Non-licensed Document 8] Frautz, Lang and Wagner (1986), Biotech. Letts., 8, pp. 757~762 [Non-licensed Document 9] D. Haferburg, R. Hommel, R. Claus and HP Kleber, Adv. Biochem. Ing. / Biotechnol. (1986), pp. 33, 53~90 [Non-Patent Document 10] F. Wagner, H. Bock and A. Kretschmar, Fermentation (ed. RM Lafferty) (1981), pp. 181-192, Springer Verlag, Vienna. [Non-Patent Document 11] CTFA International Cosmetic Ingredient Dictionary & Handbook, 15th Edition, 2014 Summary of the Invention [Problem to be solved by the invention]
[0008] There is a need for compositions that can provide deposition to keratinous materials, such as skin, that include glycolipids.
[0009] However, when using certain types of compositions, such as cleansing compositions containing glycolipids, it is difficult for the glycolipids to remain on the keratinous material when the composition is rinsed off with water.
[0010] Additionally, if the composition has a low viscosity, it may drip off the hands during use, which is not useful, and therefore application of the composition onto keratinous materials such as skin may be impractical for consumers.
[0011] It is therefore an object of the present invention to provide a composition that can be easily applied to keratinous materials such as skin, while still providing good glycolipid deposition on the keratinous material, even when the composition is rinsed off with water. [Means for solving the problem]
[0012] The above objectives are: (a) at least one glycolipid; (b) at least one cationic polymer selected from polylysine; (c) at least one polyol; A composition, preferably a cosmetic composition, more preferably a cleansing cosmetic composition, comprising: This can be achieved by a composition in which the amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, relative to the total mass of the composition.
[0013] (a) The glycolipid may be selected from rhamnolipids, sophorolipids, and mixtures thereof, preferably from rhamnolipids.
[0014] The amount of (a) glycolipid in the composition according to the present invention may be 0.01% by mass to 20% by mass, preferably 0.1% by mass to 15% by mass, and more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.
[0015] (b) The molecular weight of the cationic polymer may be greater than 1,000, preferably greater than 1,500, and more preferably greater than 2,000.
[0016] The amount of (b) cationic polymer in the composition according to the present invention can be 0.01% to 10% by mass, preferably 0.05% to 5% by mass, and more preferably 0.1% to 3% by mass, relative to the total mass of the composition.
[0017] The mass ratio of the amount of (a) glycolipid to the amount of (b) cationic polymer in the composition according to the present invention may be 1 or more, preferably 2 or more, and more preferably 3 or more.
[0018] (c) The polyol may have 5 or more, preferably 6 or more, hydroxyl groups.
[0019] (c) The polyol is more preferably selected from sugar alcohols, and even more preferably selected from the group consisting of sorbitol, mannitol, and mixtures thereof.
[0020] The amount of (c) polyol in the composition according to the present invention may be 1% by mass to 20% by mass, preferably 2% by mass to 15% by mass, and more preferably 2.5% by mass to 10% by mass, relative to the total mass of the composition.
[0021] The composition according to the present invention may further comprise (d) at least one anionic surfactant, preferably selected from taurine-based surfactants.
[0022] The amount of the anionic surfactant (d) in the composition according to the present invention may be 0.5% by mass to 20% by mass, preferably 1% by mass to 15% by mass, and more preferably 2% by mass to 10% by mass, relative to the total mass of the composition.
[0023] The composition according to the present invention may further comprise (e) at least one amphoteric surfactant.
[0024] The amount of (e) amphoteric surfactant in the composition according to the present invention may be 0.01% by mass to 20% by mass, preferably 0.1% by mass to 15% by mass, and more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.
[0025] The present invention also provides a cosmetic method for keratinous materials such as skin, comprising the steps of: applying a composition according to the invention to keratinous materials; Optionally, removing the composition from the keratinous material. It also relates to beauty methods, including: DETAILED DESCRIPTION OF THE INVENTION
[0026] After extensive investigation, the present inventors have discovered that it is possible to provide a composition that can be easily applied to keratinous materials such as skin, while still providing good glycolipid deposition on the keratinous material, even when the composition is rinsed off with water.
[0027] Thus, the composition according to the invention comprises: (a) at least one glycolipid; (b) at least one cationic polymer selected from polylysine; (c) at least one polyol; Including, The amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, based on the total mass of the composition.
[0028] Compositions according to the present invention can have a relatively higher viscosity and can provide a glycolipid-containing deposit on keratinous materials such as skin.
[0029] The composition according to the present invention can have a relatively higher viscosity.Therefore, the composition according to the present invention is less likely to drip from hands when used.Accordingly, the composition according to the present invention is easy to handle, and therefore, the composition can be easily applied to keratinous materials such as skin.
[0030] (c) Polyols can function as thickeners in compositions according to the present invention.
[0031] Additionally, due to their relatively high viscosity, compositions according to the present invention may be suitable for being pumped out of a container.
[0032] Furthermore, the composition according to the present invention can provide good deposition of (a) glycolipids onto keratinous materials such as skin. Deposition can be provided, for example, by a precipitate containing (a) glycolipids formed in the composition according to the present invention when the composition is rinsed off the keratinous materials with water.
[0033] Preferred embodiments of compositions according to the present invention are capable of providing increased deposition or deposition on keratinous materials such as skin.
[0034] Because glycolipids such as rhamnolipids have biological activities, such as anti-inflammatory, anti-allergic, and antibacterial effects, the (a) glycolipid-containing deposit provided by the composition according to the invention may be useful in the care of keratinous materials such as skin. In particular, the composition according to the invention may be useful in the treatment or care of acne-prone skin.
[0035] Since glycolipids can function as (anionic) surfactants, (a) deposits containing glycolipids can also provide enhanced cleansing effects, and therefore compositions according to the invention may also be useful for cleansing keratinous materials such as skin.
[0036] (a) Glycolipids are naturally occurring, may be renewable materials, and are biodegradable. In addition, polylysine can also be obtained from natural resources, and (b) cationic polymers are environmentally friendly components. Therefore, the composition according to the present invention can contain environmentally friendly components.
[0037] The present invention will now be described in more detail.
[0038] [Composition] The composition according to the present invention comprises (a) at least one glycolipid; (b) at least one cationic polymer selected from polylysine; (c) at least one polyol; Including, The amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, based on the total mass of the composition.
[0039] (glycolipids) The composition according to the present invention comprises (a) at least one glycolipid. A single type of glycolipid may be used, or two or more different types of glycolipids may be used in combination.
[0040] The term "glycolipid" is understood to mean a compound formed from lipids to which one or more sugar compounds are attached.
[0041] (a) The glycolipid may be selected from glucolipids, sophorolipids, trehalolipids, cellobioselipids, rhamnolipids, and mixtures thereof.
[0042] (a) The glycolipid may preferably be selected from sophorolipids, rhamnolipids, and mixtures thereof, more preferably from rhamnolipids.
[0043] Preferably, the composition according to the invention comprises at least one glycolipid chosen from rhamnolipids, sophorolipids and mixtures thereof, more preferentially at least one rhamnolipid.
[0044] Glucolipids: (a) Glycolipids contain a glucose moiety and have the following general formula (I):
[0045] [ka]
[0046] (In the formula, -R 1 represents a hydrogen atom or a cation, p represents an integer ranging from 1 to 4; - q represents an integer ranging from 4 to 10, preferably equal to 6 The glycolipid may be selected from those which can be represented by:
[0047] Glucolipids can be produced by the bacterium Alcaligenes sp. MM1.
[0048] Suitable fermentation methods are reviewed in M. Schmidt, Ph.D. (1990), Technical University of Braunschweig, and in Schulz et al., (1991) Z. Naturforsch., 46C, pp. 197-203. Glucolipids are recovered from the fermentation broth by solvent extraction using diethyl ether or dichloromethane:methanol or chloroform:methanol mixtures.
[0049] Sophorolipids: (a) The glycolipid contains a sophorose moiety and has the following general formula (II):
[0050] [ka]
[0051] (In the formula, -R 3 and R 4 each independently represents a hydrogen atom or an acetyl group; -R 5 represents a saturated or unsaturated, hydroxylated or non-hydroxylated hydrocarbon group having 1 to 9 carbon atoms, preferably methyl; -R 6 represents a saturated or unsaturated, hydroxylated or non-hydroxylated hydrocarbon group having 1 to 19 carbon atoms, However, R 5 and R 6 The total number of carbon atoms in each group does not exceed 20, preferably 14 to 18, -R 7 represents a hydrogen atom, -R 8 represents a hydroxyl group OH, or R 7 and R 8 together form a lactone ring) The sophorolipid may be selected from sophorolipids that can be represented by:
[0052] Sophorolipids are R 7 represents a hydrogen atom, and R8 represents a hydroxy group OH, or in the form of an open chain free acid:
[0053] [ka]
[0054] (In the formula, -R 3 , R 4 , R 5 , and R 6 is as defined above, but However, R 3 and R 4 at least one of which represents an acetyl group The lactone ring is R 7 and R 8 It may be incorporated into compositions according to the invention in either its lactone form, formed between
[0055] Sophorolipids can be produced by yeast cells, such as Torulopsis apicola and Torulopsis bombicola cells. Fermentation processes generally use sugars and alkanes as substrates.
[0056] Suitable fermentation methods are reviewed in AP Tulloch, JFT Spencer and PAJ Gorin, Can. J. Chem. (1962), 40, 1326, and U. Gobbert, S. Lang and F. Wagner, Biotechnology Letters (1984), 6 (4), 225. The resulting product is a mixture of various open-chain sophorolipids and sophorolipid lactones and may be used in the form of a mixture, or the required form may be isolated.
[0057] Examples of sophorolipids that may be used include the products sold under the name Sopholiances by Givaudan and BioToLife by BASF.
[0058] Trehalolipid: (a) The glycolipid contains a trehalose fragment and has the following general formula (IV):
[0059] [ka]
[0060] (In the formula, -R 9 , R 10 , and R 11 represents individually a saturated or unsaturated, hydroxylated or non-hydroxylated hydrocarbon group having 5 to 13 carbon atoms. The trehalolipid may be selected from trehalolipids which can be represented by:
[0061] Trehalolipids can be produced by bacterial fermentation using the marine bacterium Arthrobacter sp. Ek1 or the freshwater bacterium Rhodococcus erythropolis. Suitable fermentation methods are provided in Ishigami et al. (1987), J. Jpn. Oil Chem. Soc., 36, 847-851; Schultz et al. (1991), Z. Naturforsch., 46C, 197-203; and Passeri et al. (1991), Z. Naturforsch., 46C, 204-209.
[0062] Cellobioselipid: (a) The glycolipid comprises a cellobiose fragment and has the following general formula (V):
[0063] [ka]
[0064] (In the formula, -R 1 represents a hydrogen atom or a cation, -R 12 represents a saturated or unsaturated, hydroxylated or non-hydroxylated hydrocarbon group having 9 to 15 carbon atoms, preferably 13 carbon atoms, -R 13 represents a hydrogen atom or an acetyl group, -R 14 represents a saturated or unsaturated, hydroxylated or non-hydroxylated hydrocarbon group having 4 to 16 carbon atoms. The cellobiose lipid may be selected from cellobiose lipids which can be represented by:
[0065] Cellobiose lipids can be produced by cells of fungi of the genus Ustilago. A suitable fermentation process is provided in Frautz, Lang and Wagner (1986), Biotech. Letts., 8, 757-762.
[0066] Rhamnolipids: (a) The glycolipid may be selected from rhamnolipids.
[0067] The composition according to the invention preferably comprises one or more rhamnolipids.
[0068] Rhamnolipids are glycolipids produced by various bacterial species. They consist of one rhamnose fragment (monorhamnolipid) or two rhamnose fragments (dirhamnolipid) linked by glycosidic bonds to one, two, or three chains of β-hydroxylated fatty acids, which are linked together by ester bonds.
[0069] Preferably, the rhamnolipid has the following formula (VI):
[0070] [ka]
[0071] (In the formula, m represents an integer equal to 2, 1 or 0, - n represents an integer equal to 1 or 0, R1 and R2 each independently represent a branched or unbranched, substituted or unsubstituted, in particular hydroxy-substituted, saturated or unsaturated, identical or different hydrocarbon group, preferably a mono-, doubly or triply unsaturated alkyl group, having from 2 to 24 carbon atoms, preferably from 5 to 13 carbon atoms. and salts thereof, solvates thereof, and optical isomers thereof.
[0072] Thus, when n is equal to 0, formula (VI) protects monorhamnolipid, and when n is equal to 1, it protects dirhamnolipid.
[0073] The composition according to the invention preferably comprises at least one dirhamnolipid.
[0074] The composition according to the invention preferably comprises a compound of formula (VI) m represents an integer equal to 2, 1 or 0, - n denotes an integer equal to 1, - R1 and R2 each independently represent a branched or unbranched, substituted or unsubstituted, in particular a hydroxy-substituted, saturated or unsaturated, identical or different hydrocarbon group, preferably a mono-, doubly or triply unsaturated alkyl group, having 2 to 24 carbon atoms, preferably 5 to 13 carbon atoms, as well as at least one dirhamnolipid, as well as salts thereof, solvates thereof and optical isomers thereof.
[0075] The glycosidic bond between the two rhamnose fragments may be in the alpha or beta configuration, preferably in the alpha configuration.
[0076] In the context of the present invention, The salts of the dirhamnolipid of formula (VI) are more particularly its carboxylic acid salts with organic or inorganic cations, in particular cations chosen from sodium, potassium, calcium and ammonium. The solvated forms of the dirhamnolipid of formula (VI) are more particularly solvated with water or with one or more molecules of an organic solvent, such as hydrates or solvates of a linear or branched alcohol, such as ethanol or isopropanol, in which the optically active carbon atoms of the fatty acids are preferably in the form of the R enantiomer. The term "alkyl" group refers to a saturated, straight or branched aliphatic group, e.g., a C1-C2 group having a straight or branched hydrocarbon chain of 1 to 20 carbon atoms. 20 It represents an alkyl group, more specifically, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, or eicosyl.
[0077] The composition according to the invention preferably comprises a compound of formula (VI) m represents an integer equal to 2, 1 or 0, - n denotes an integer equal to 1, R1 and R2 are identical or different and are pentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl and tridecenyl groups and groups of the formula -(CH2) o CH3 groups, where o represents an integer ranging from 1 to 23, in particular from 3 to 15, more particularly from 4 to 12.
[0078] According to one embodiment of the present invention, the composition according to the invention comprises at least one dirhamnolipid of general formula (VI) in which m is equal to 1.
[0079] According to one embodiment of the present invention, the composition according to the invention comprises a mixture of at least two, preferably at least three, dirhamnolipids of general formula (VI), where m is preferably equal to 1.
[0080] According to another embodiment of the invention, the composition according to the invention comprises a mixture comprising at least one monorhamnolipid.
[0081] More preferably, the composition according to the invention has the following formula (VII):
[0082] [ka]
[0083] [In the formula, m represents an integer equal to 2, 1 or 0, preferably m is equal to 1, - n denotes an integer equal to 1, - R1 is -(CH2) p -CH3 group, where p is an integer varying from 1 to 23, preferably from 4 to 12; - R2 is -(CH2) q -CH3 group, where q is an integer varying from 1 to 23, preferably from 4 to 12; and at least one dirhamnolipid of the formula (I), as well as salts thereof, solvates thereof, and optical isomers thereof.
[0084] Illustrative examples of dirhamnolipids of formula (VII) that may be suitable for the present invention include, but are not limited to, compounds of formula di-RL-CXCY as defined in Table 1 below.
[0085] The formula di-RL-CXCY is an alternative notation for representing a dirhamnolipid (di-RL) functionalized with two groups R1 and R2, represented by the symbols CX and CY (the integers X and Y are equal to p+4 and q+4, respectively).
[0086] [Table 1]
[0087] According to a preferred embodiment, the composition according to the invention comprises at least one dirhamnolipid (also called di-RL-C10C10) of formula (VII) in which p and q are identical and equal to 6, and m is equal to 1, or one of its salts, solvates and optical isomers.
[0088] Preferably, the dirhamnolipid of formula (VII), in which p and q are identical and equal to 6 and m is equal to 1, is present in the composition according to the invention in a proportion of at least 50% by weight, preferably between 51% and 85% by weight, relative to the total weight of rhamnolipids.
[0089] According to a preferred embodiment, the composition according to the invention comprises at least one dirhamnolipid of formula (VII) in which m is equal to 1, p is equal to 6 and q is equal to 8, or a salt, solvate or optical isomer thereof.
[0090] According to a preferred embodiment, the composition according to the invention comprises a compound of formula (VI) wherein n and m are equal to 1 and R1 is -(CH2) o R1 represents a -CH3 group (wherein o is an integer varying from 4 to 12), and R2 is selected from pentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl and tridecenyl groups, preferably R1 represents a -(CH2)6CH3 group and R2 represents a nonenyl group, or a salt, solvate or optical isomer thereof.
[0091] According to a preferred embodiment, the composition according to the invention comprises a mixture of at least two, in particular at least three, dirhamnolipids of formula (VI) or formula (VII) as defined above, more particularly selected from: - dirhamnolipids of formula (VII) in which p and q are identical and equal to 6, and m is equal to 1, - dirhamnolipid of formula (VII) in which m is equal to 1, p is equal to 6 and q is equal to 8, and - a compound of formula (VI) wherein n and m are equal to 1 and R1 is -(CH2) o R1 represents a -CH3 group (wherein o is an integer varying from 4 to 12), and R2 is selected from pentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl and tridecenyl groups, preferably R1 represents a -(CH2)6CH3 group and R2 represents a nonenyl group.
[0092] Preferably, the composition according to the invention comprises a mixture of at least two, in particular at least three, dirhamnolipids of formula (VI) or formula (VII) selected from: - at least 50% by weight, preferably between 51% and 85% by weight, of dirhamnolipid of formula (VII) in which p and q are identical and equal to 6, and m is equal to 1, relative to the total weight of rhamnolipids; - 0.5% to 25% by weight, preferably 5% to 15% by weight, of dirhamnolipid of formula (VII) in which p is equal to 6, q is equal to 8 and m is equal to 1, relative to the total weight of rhamnolipids, and - 0.5% to 15% by weight, preferably 3% to 12% by weight, preferably 5% to 10% by weight of dirhamnolipid of formula (VI) in which n and m are equal to 1, R1 represents a -(CH2)6CH3 group and R2 represents a nonenyl group, relative to the total weight of rhamnolipid.
[0093] Rhamnolipids are usually prepared by methods known to those skilled in the art, starting from bacterial production strains such as Pseudomonas.
[0094] Suitable fermentation methods are reviewed in D. Haferburg, R. Hommel, R. Claus and HP Kleber, Adv. Biochem. Ing. / Biotechnol. (1986), 33, pp. 53-90, and in F. Wagner, H. Bock and A. Kretschmar, Fermentation (ed. R.M. Lafferty) (1981), pp. 181-192, Springer Verlag, Vienna.
[0095] As rhamnolipid, the product sold under the name Rheance One by the company Evonik (INCI name: glycolipid) may be used.
[0096] The amount of (a) glycolipid in the composition according to the present invention may be 0.01% by mass or more, preferably 0.1% by mass or more, and more preferably 1% by mass or more, relative to the total mass of the composition.
[0097] The amount of (a) glycolipid in the composition according to the present invention may be 20% by mass or less, preferably 15% by mass or less, and more preferably 10% by mass or less, relative to the total mass of the composition.
[0098] The amount of (a) glycolipid in the composition according to the present invention may be 0.01% by mass to 20% by mass, preferably 0.1% by mass to 15% by mass, and more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.
[0099] In the context of this specification, any combination of the above upper and lower limits may be used to express a range of preferred amounts.
[0100] (cationic polymer) The composition according to the present invention comprises (b) at least one cationic polymer selected from polylysine. A single type of cationic polymer may be used, or two or more different types of cationic polymers may be used in combination.
[0101] According to the present invention, the cationic polymer (b) is selected from polylysines. A single type of polylysine may be used, or two or more different types of polylysines may be used in combination.
[0102] The molecular weight (Da) of the (b) cationic polymer is less than 20,000, preferably less than 15,000, and more preferably less than 10,000. In other words, the (b) cationic polymer is a low-molecular-weight polylysine.
[0103] (b) The molecular weight (Da) of the cationic polymer may be greater than 1,000, preferably greater than 1,500, and more preferably greater than 2,000.
[0104] Therefore, (b) the molecular weight (Da) of the cationic polymer may be greater than 1,000 and less than 20,000, preferably greater than 1,500 and less than 15,000, and more preferably greater than 2,000 and less than 10,000.
[0105] Unless otherwise defined in the description, "molecular weight" means weight average molecular weight. Molecular weight can be measured or determined, for example, by gel permeation chromatography according to ASTM D5296-19.
[0106] Polylysine corresponds to the condensation of several amino acids with lysine. Polylysine can be a natural homopolymer of L-lysine that can be produced by bacterial fermentation. Polylysine is typically used as a natural preservative in food. Polylysine is a polyelectrolyte that is soluble in polar solvents such as water.
[0107] Polylysine may be, for example, epsilon-polylysine (also referred to as "ε-polylysine"), which is a condensation product of the amino group at the ε-position of lysine with a carboxyl group, or alpha-polylysine (also referred to as "α-polylysine"), which is a condensation product of the amino group at the α-position of lysine with a carboxyl group. Polylysine is commercially available in various forms such as poly-D-lysine and poly-L-lysine. Polylysine is generally a condensation product of L-lysine, i.e., poly-L-lysine.
[0108] Examples of polylysines include: - epsilon-poly-L-lysine from JNC CORPORATION, which is a 25% solution of epsilon-poly-L-lysine having a molecular weight of about 4,700 in an aqueous solution; and - Polylysine from Shandong Freda Biotechnology Co., Ltd., in the form of a white to creamy yellow powder and with a molecular weight between 4,130 and 5,776.
[0109] According to a particular embodiment, the polylysine may be modified polylysine, such as polylysine with aliphatic chains as described in patent application FR 2889448, polylysine with guanidine or biguanidine functional groups as described in patent application FR 2851465, or thiolated polylysine as described in patent application FR 2853533.
[0110] Polylysine may be in the form of an organic salt or inorganic salt. Acid addition salts include, for example, hydrochloric acid, hydrobromic acid, sulfuric acid, citric acid, succinic acid, tartaric acid, lactic acid, para-toluenesulfonic acid, phosphoric acid, and acetate salts, or fatty acid salts such as linoleic acid, oleic acid, palmitic acid, stearic acid, behenic acid, and 18-methyleicosanoic acid. Base addition salts include, for example, sodium salts, calcium salts, and hydroxyalkylamine salts, such as N-methylglucamine, aminopropanediol, and triethanolamine.
[0111] In some preferred embodiments of the present invention, the polylysine of the present invention is present in the form of a single molecule in the composition or is not covalently bonded to other compounds. In one embodiment of the present invention, the polylysine is not covalently bonded to a dye compound. In one embodiment of the present invention, the polylysine is not covalently bonded to a polyorganosiloxane compound. The term "polyorganosiloxane" is well known in the art and refers to a compound having an Si-O main chain and organic functional groups attached to the main chain.
[0112] In another embodiment of the present invention, the polylysine is in free form. The term "free form" as used herein indicates that the polylysine is not covalently bound to any other compound.
[0113] The amount of (b) cationic polymer 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.
[0114] The amount of (b) cationic polymer in the composition according to the present invention may be 10% by weight or less, preferably 5% by weight or less, more preferably 3% by weight or less, based on the total weight of the composition. It may even be more preferable that the amount of (b) cationic polymer is 1% by weight or less, based on the total weight of the composition.
[0115] The amount of (b) cationic polymer in the composition according to the present invention may be 0.01% to 10% by mass, preferably 0.05% to 5% by mass, more preferably 0.1% to 3% by mass, based on the total mass of the composition. It may even be more preferable that the amount of (b) cationic polymer is 0.1% to 1% by mass, based on the total mass of the composition.
[0116] In the context of this specification, any combination of the above upper and lower limits may be used to express a range of preferred amounts.
[0117] The (a) glycolipid may be included in the composition according to the present invention in an amount equal to or greater than the amount of the (b) cationic polymer.
[0118] Therefore, the mass ratio of the amount of (a) glycolipid to the amount of (b) cationic polymer in the composition according to the present invention may be 1 or more, preferably 2 or more, and more preferably 3 or more.
[0119] (Polyol) The composition according to the present invention comprises (c) at least one polyol. A single type of polyol may be used, or two or more different types of polyols may be used in combination.
[0120] The term "polyol" as used herein means an alcohol having two or more hydroxyl (OH) groups.
[0121] (c) The polyol may have 5 or more, preferably 6 or more, and more preferably 6 hydroxyl groups.
[0122] (c) The polyol may have 10 or fewer, preferably 9 or fewer, and more preferably 8 or fewer hydroxyl groups.
[0123] Therefore, (c) polyol may have 5 to 10 hydroxyl groups, preferably 5 to 9 hydroxyl groups, and more preferably 6 to 8 hydroxyl groups.
[0124] The (c) polyol, which may have 5 or more, preferably 6 or more, more preferably 6 hydroxyl groups, is preferably selected from sugar alcohols.
[0125] The term "sugar alcohol" as used herein refers to a compound obtained by reducing a reducible ketone or aldehyde group of a sugar to an alcohol group, and therefore has several alcohol functional groups.
[0126] The term "sugar" as used herein means an oxygen-bearing hydrocarbon-based compound containing at least four carbon atoms and containing several alcohol functional groups, with or without aldehyde or ketone functional groups. These sugars may be monosaccharides, oligosaccharides, or polysaccharides.
[0127] Examples of suitable sugars that may be mentioned include glucose, galactose, mannose, maltose, sucrose (or saccharose), trehalose, lactose, and derivatives thereof, in particular alkyl derivatives, such as methyl derivatives, for example methylglucose.
[0128] Sugar alcohols are hexitol (C6H8(OH)6), heptitol (C7H9(OH)7), and octitol (C8H 10 (OH)8), and mixtures thereof.
[0129] Thus, examples of suitable sugar alcohols that may be mentioned include sorbitol, mannitol, galactitol, fucitol, iditol, inositol, volemitol, and mixtures thereof.
[0130] The (c) polyol, which may have 5 or more, preferably 6 or more, more preferably 6 hydroxyl groups, is more preferably selected from the group consisting of sorbitol, mannitol, and mixtures thereof.
[0131] The amount of (c) polyol in the composition according to the present invention is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, based on the total mass of the composition.
[0132] The amount of (c) polyol in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, more preferably 10% by weight or less, based on the total weight of the composition.
[0133] The amount of (c) polyol in the composition according to the present invention may be 1% by mass to 20% by mass, preferably 2% by mass to 15% by mass, and more preferably 2.5% by mass to 10% by mass, relative to the total mass of the composition.
[0134] In the context of this specification, any combination of the above upper and lower limits may be used to express a range of preferred amounts.
[0135] (anionic surfactants) The composition according to the present invention may contain (d) at least one anionic surfactant. A single type of anionic surfactant may be used, or two or more different types of anionic surfactants may be used in combination.
[0136] Preferably, the (d) anionic surfactant is selected from taurine-based surfactants.
[0137] The term "taurine-based surfactant" as used herein refers to an anionic surfactant that contains at least one taurine moiety. Taurine-based surfactants may also be referred to as taurine-based surfactants.
[0138] The taurine-based surfactant is preferably an acyltaurine, more preferably an N-acyltaurine, and even more preferably an N-acylmethyltaurine (ie, N-acyl-N-methyltaurine).
[0139] The taurine-based surfactants include those represented by the following formula I:
[0140] [ka]
[0141] [In the formula, R 7 (C8~C 22 ) alkyl, R 8 is H or (C1-C4) alkyl, R 9 and R 10 are each independently H or (C1-C4) alkyl; M + is a sodium, potassium, or ammonium cation] Examples include:
[0142] The taurine-based surfactant may be selected from the group consisting of taurine, caproyl taurine, lauroyl taurine, myristoyl taurine, palmitoyl taurine, stearoyl taurine, oleoyl taurine, cocoyl taurine, methyl taurine, coconut oil fatty acid methyl taurine, palm kernel oil fatty acid methyl taurine, hydrogenated palm kernel oil fatty acid methyl taurine, beef tallow fatty acid methyl taurine, hydrogenated beef tallow fatty acid methyl taurine, caproyl methyl taurine, lauroyl methyl taurine, myristoyl methyl taurine, palmitoyl methyl taurine, stearoyl methyl taurine, oleoyl methyl taurine, cocoyl methyl taurine, methyl taurine cocoyl methyl taurine, and salts thereof.
[0143] For example, the taurine surfactant may include sodium methyl lauroyl taurate, sodium methyl myristoyl taurate, potassium methyl myristoyl taurate, sodium methyl cocoyl taurate, sodium methyl oleoyl taurate, calcium methyl lauroyl taurate, potassium methyl lauroyl taurate, and ammonium methyl lauroyl taurate. Similarly, in some examples, the taurine surfactant may be sodium methyl cocoyl taurate.
[0144] Examples of taurine-based surfactants include, but are not limited to, the following: - sodium salt of palm kernel oil methyl taurine sold under the name Hostapon CT Pate® by Clariant; sodium N-cocoyl-N-methyl taurate sold under the name Hostapon LT-SF® by the company Clariant or under the name Nikkol CMT-30-T® by the company Nikkol; - sodium methylstearoyl taurate sold under the name Nikkol SMT®; and - Sodium palmitoyl methyl taurate, sold under the name Nikkol PMT® by the company Nikkol.
[0145] The amount of (d) anionic surfactant in the composition according to the present invention may be 0.5% by mass or more, preferably 1% by mass or more, and more preferably 2% by mass or more, relative to the total mass of the composition.
[0146] The amount of (d) anionic surfactant in the composition according to the present invention may be 20% by mass or less, preferably 15% by mass or less, and more preferably 10% by mass or less, relative to the total mass of the composition.
[0147] The amount of (d) anionic surfactant in the composition according to the present invention may be 0.5% by mass to 20% by mass, preferably 1% by mass to 15% by mass, and more preferably 2% by mass to 10% by mass, relative to the total mass of the composition.
[0148] In one embodiment of the present invention, the total amount of (a) glycolipid and (d) anionic surfactant in the composition according to the present invention may be 3% by mass to 30% by mass, preferably 5% by mass to 25% by mass, and more preferably 7% by mass to 20% by mass, relative to the total mass of the composition.
[0149] In another embodiment of the present invention, the mass ratio of the amount of (a) glycolipid to the total amount of (a) glycolipid and (d) anionic surfactant in the composition according to the present invention may be 0.1 to 1, preferably 0.15 to 0.75, and more preferably 0.2 to 0.5.
[0150] (Amphoteric surfactant) The composition according to the present invention may contain (a) at least one amphoteric surfactant. A single type of amphoteric surfactant may be used, or two or more different types of amphoteric surfactants may be used in combination.
[0151] (e) Amphoteric (or zwitterionic) surfactants may be, for example (but not limited to), amine derivatives, such as aliphatic secondary or tertiary amines, and optionally quaternized amine derivatives, in which the aliphatic group is a straight or branched chain containing 8 to 22 carbon atoms and at least one water-solubilizing anionic group (e.g., carboxylate, sulfonate, sulfate, phosphate, or phosphonate).
[0152] Preferably, (e) the amphoteric surfactant is selected from the group consisting of betaine and amidoamine carboxylated derivatives.
[0153] More preferably, (e) the amphoteric surfactant is selected from betaine-type surfactants.
[0154] Betaine-type amphoteric surfactants include alkyl betaines, alkylamido alkyl betaines, sulfobetaines, alkyl sulfobetaines, phosphobetaines, alkyl phosphobetaines, and alkylamido alkyl sulfobetaines, specifically (C8 to C 24 ) Alkyl betaine, (C8-C 24 ) Alkylamide (C1-C8) alkyl betaine, sulfobetaine, (C1-C8) alkyl sulfobetaine, phosphobetaine, (C1-C8) alkyl phosphobetaine and (C8-C 24 In one embodiment, the betaine-type amphoteric surfactant may be selected from the group consisting of (C8-C) alkylamide (C1-C8) alkylsulfobetaines. 24 ) Alkyl betaine, (C8-C 24 ) alkylamido (C1-C8) alkylsulfobetaine, sulfobetaine, (C1-C8) alkylsulfobetaine and phosphobetaine.
[0155] Non-limiting examples that may be mentioned include the compounds classified in the CTFA International Cosmetic Ingredient Dictionary & Handbook, 15th Edition, 2014, under the names cocobetaine, laurylbetaine, cetylbetaine, coco / oleamidopropylbetaine, cocamidopropylbetaine, palmitamidopropylbetaine, stearamidopropylbetaine, cocamidoethylbetaine, cocamidopropylhydroxysultaine, oleamidopropylhydroxysultaine, cocohydroxysultaine, laurylhydroxysultaine and cocosultaine, alone or in mixtures.
[0156] The amphoteric surfactants of the betaine type (betaines) may be alkylbetaines, alkylsulfobetaines and alkylamidoalkylbetaines, in particular cocobetaine, sulfopropylbetaine and cocamidopropylbetaine.
[0157] Among the amidoamine carboxylated derivatives, mention may be made of the products sold under the name Miranol, which are described in U.S. Pat. Nos. 2,528,378 and 2,781,354 and which are classified in the CTFA Dictionary, Third Edition, 1982, the disclosures of which are incorporated herein by reference, under the names amphocarboxyglycinates and amphocarboxypropionates, the respective structures of which are as follows: R1-CONHCH2CH2-N + (R2)(R3)(CH2COO - )M + X - (B1) [In the formula, R1 represents the alkyl, heptyl, nonyl or undecyl group of the acid R1-COOH present in the hydrolyzed coconut oil; R2 represents a beta-hydroxyethyl group; R3 represents a carboxymethyl group; M +represents a cationic ion derived from an alkali metal such as sodium, an ammonium ion, or an ion derived from an organic amine, X - denotes organic or inorganic anions, such as halides, acetates, phosphates, nitrates, alkyl(C1-C4)sulfates, alkyl(C1-C4)- or alkyl(C1-C4)aryl-sulfonates, in particular methylsulfate and ethylsulfate, or M + and X - does not exist]; R1'-CONHCH2CH2-N(B)(C) (B2) [In the formula, R1' is the alkyl group of the acid R1'-COOH present in coconut oil or hydrolyzed linseed oil, alkyl groups such as C7, C9, C 11 Or C 13 Alkyl group, C 17 Alkyl groups and their isoforms or unsaturated C 17 indicates a group, B represents -CH2CH2OX', C is -(CH2) z -Y' (wherein z=1 or 2), X' represents a -CH2-COOH group, -CH2-COOZ', -CH2CH2-COOH, -CH2CH2-COOZ', or a hydrogen atom; Y' represents a -COOH, -COOZ', -CH2-CHOH-SO3Z', -CH2-CHOH-SO3H group or a -CH2-CH(OH)-SO3-Z' group; In these formulas, Z' represents an ion of an alkali metal or alkaline earth metal such as sodium, an ion derived from an organic amine, or an ammonium ion; and R a'' -NH-CH(Y'')-(CH2) n -C(O)-NH-(CH2) n' -N(Rd)(Re) (B'2) [In the formula, Y" represents -C(O)OH, -C(O)OZ", -CH2-CH(OH)-SO3H, or -CH2-CH(OH)-SO3-Z" (wherein Z" represents a cationic ion derived from an alkali metal such as sodium or an alkaline earth metal, an ion derived from an organic amine, or an ammonium ion); Rd and Re each represent a C1-C4 alkyl group or a C1-C4 hydroxyalkyl group; R a'' is C from the acid 10 ~C 30 represents an alkyl group or an alkenyl group represented by the formula: n and n' independently represent an integer of 1 to 3.
[0158] Amphoteric surfactants having formula B1 and B2 are (C8-C 24 )-Alkyl amphomonoacetate, (C8-C 24 ) Alkyl amphodiacetate, (C8-C 24 ) alkyl amphomonopropionate and (C8-C 24 ) alkyl amphodipropionates.
[0159] These compounds are classified in the CTFA Dictionary, 5th Edition, 1993 under the names disodium cocoamphodiacetate, disodium lauroamphodiacetate, disodium caprylamphodiacetate, disodium capryloamphodiacetate, disodium cocoamphodipropionate, disodium lauroamphopropionate, disodium caprylamphodipropionate, lauroamphodipropionic acid and cocoamphodipropionic acid.
[0160] Mention may be made, by way of example, of cocoamphodiacetate sold under the trade name Miranol® C2M concentrate by the company Rhodia Chimie.
[0161] Among the compounds of formula (B'2), mention may be made of diethylaminopropyl cocoaspartamide sodium (CTFA), sold under the name CHIMEXANE HB by the company CHIMEX.
[0162] The amount of (e) amphoteric surfactant in the composition according to the present invention can be 0.01% by weight or more, preferably 0.1% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.
[0163] The amount of (e) amphoteric surfactant in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
[0164] The amount of (e) amphoteric surfactant in the composition according to the present invention may be 0.01% by mass to 20% by mass, preferably 0.1% by mass to 15% by mass, and more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.
[0165] In one embodiment of the present invention, the mass ratio of the amount of (e) amphoteric surfactant to the total amount of (a) glycolipid and (d) anionic surfactant in the composition according to the present invention may be 0.5 or more, preferably 0.75 or more, and more preferably 1 or more.
[0166] (water) The composition according to the present invention may also comprise (f) water.
[0167] The amount of (f) water in the composition according to the present invention may be 50% by mass or more, preferably 60% by mass or more, and more preferably 70% by mass or more, based on the total mass of the composition.
[0168] The amount of (f) water in the composition according to the present invention may be 95% by mass or less, preferably 90% by mass or less, and more preferably 85% by mass or less, based on the total mass of the composition.
[0169] The amount of (f) water in the composition according to the present invention may be 50% by mass to 95% by mass, preferably 60% by mass to 90% by mass, and more preferably 70% by mass to 85% by mass, relative to the total mass of the composition.
[0170] (pH) The pH of the composition according to the present invention may be 4-8, preferably 4.5-7.5, and more preferably 5-7.
[0171] The pH of the composition according to the invention can be adjusted by adding at least one alkaline agent and / or at least one acid. The pH of the composition according to the invention can also be adjusted by adding at least one buffering agent.
[0172] (Optional Ingredients) In addition to the above-mentioned components, the composition according to the present invention may contain optional components typically used in cosmetics, specifically, cationic or nonionic surfactants / emulsifiers, anionic surfactants other than (a) glycolipids or (d) anionic surfactants, for example, hydrophilic or lipophilic thickeners derived from synthetic thickeners, volatile or nonvolatile organic solvents such as ethanol, cationic polymers other than polylysine, anionic polymers, amphoteric polymers, nonionic polymers, silicones and silicone derivatives, fatty acids, natural extracts derived from animals or plants other than (b) cationic polymers, waxes, preservatives, antioxidants, salts, etc., within ranges that do not impair the effects of the present invention.
[0173] The composition according to the present invention may contain the above-mentioned optional components in an amount of 0.01% to 30% by weight, preferably 0.05% to 20% by weight, more preferably 0.1% to 10% by weight, relative to the total weight of the composition.
[0174] The amount of silicone in the composition according to the invention may be 1% by weight or less, preferably 0.1% by weight or less, more preferably 0.01% by weight or less, relative to the total weight of the composition. It is particularly preferred that the composition according to the invention is silicone-free.
[0175] (Embodiment) According to a preferred embodiment, the composition according to the invention comprises, relative to the total weight of the composition: 0.01% by mass to 20% by mass of (a) at least one glycolipid; 0.01% by mass to 10% by mass of (b) at least one cationic polymer selected from polylysine; 1% by mass to 20% by mass of (c) at least one polyol; Includes.
[0176] According to another preferred embodiment, the composition according to the invention comprises, relative to the total weight of the composition: 0.1% by mass to 15% by mass of (a') at least one glycolipid selected from sophorolipids, rhamnolipids, and mixtures thereof; 0.05% by mass to 5% by mass of (b') at least one polylysine having a molecular weight of more than 1,000; 2% by mass to 15% by mass of (c') at least one polyol having 5 or more hydroxyl groups; Includes.
[0177] According to another preferred embodiment, the composition according to the invention comprises, relative to the total weight of the composition: 0.1% by mass to 15% by mass of (a') at least one glycolipid selected from sophorolipids, rhamnolipids, and mixtures thereof; 0.05% by mass to 5% by mass of (b') at least one polylysine having a molecular weight of more than 1,000; 2% by mass to 15% by mass of (c') at least one sugar alcohol having 5 or more hydroxyl groups; Includes.
[0178] According to another preferred embodiment, the composition according to the invention comprises, relative to the total weight of the composition: 1% by mass to 10% by mass of (a') at least one rhamnolipid; 0.1% by weight to 3% by weight of (b'') at least one polylysine having a molecular weight of more than 1,000 and less than 20,000; 2% by mass to 15% by mass of (c'') at least one sugar alcohol having five or more hydroxyl groups selected from the group consisting of sorbitol, mannitol, and mixtures thereof; Includes.
[0179] [Preparation] The composition according to the present invention can be prepared by mixing the essential components described above and the optional components (if necessary) described above.
[0180] The method and means for mixing the above essential components and optional components are not limited. Any conventional method and means can be used to mix the above essential components and optional components to prepare the composition according to the present invention.
[0181] The compositions according to the present invention can be prepared by simple or easy mixing with conventional mixing means such as stirrers and homogenizers, and heating may not be necessary.
[0182] [form] The compositions according to the present invention may be in any form.
[0183] For example, the composition according to the invention may be in the form of a solution, in particular an aqueous solution, a toner, a serum or a lotion.
[0184] In another embodiment, the composition according to the present invention may be in the form of a gel. In this embodiment, the composition according to the present invention may be packaged with an automatic foam pump that allows the consumer to apply the composition in a foam.
[0185] The composition may, for example, have a viscosity at 25°C and atmospheric pressure (760 mmHg or 101325 Pa) of 700 mPa.s or more, preferably 800 mPa.s or more, more preferably 900 mPa.s or more, and even more preferably 1000 mPa.s or more.
[0186] The compositions according to the invention may have a clear or translucent appearance, preferably a clear appearance, for example before dilution with water.
[0187] Clarity may be measured by measuring turbidity (e.g., using a HACH 2100Q Portable Turbidimeter). The turbidity of compositions according to the present invention may be less than 400 NTU (translucent), preferably less than 350 NTU, more preferably less than 300 NTU (transparent).
[0188] [Beauty use] The composition according to the present invention may be intended to be used as a cosmetic composition. Thus, the cosmetic composition according to the present invention may be intended to be applied to keratinous materials. In this specification, keratinous materials refer to materials containing keratin as a main component, and examples thereof include skin, scalp, nails, lips, hair, etc. Therefore, the cosmetic composition according to the present invention is preferably used in a beauty method for keratinous materials, particularly skin.
[0189] Thus, the cosmetic composition according to the present invention may be a dermocosmetic composition, preferably a skin care composition, more preferably a face care composition.
[0190] In particular, the composition according to the present invention is useful for cleansing. Therefore, the composition according to the present invention is preferably a cleansing cosmetic composition, more preferably a cleansing cosmetic composition for the skin, and even more preferably a cleansing cosmetic composition for the face.
[0191] In another embodiment, the composition according to the invention can also be used as a cleansing cosmetic composition for keratinous fibers such as hair, preferably as a shampoo.
[0192] [Cosmetic methods and use] The present invention also relates to: - a cosmetic method for keratinous materials such as the skin, comprising the step of applying a composition according to the invention to the keratinous materials and, optionally, removing the composition from the keratinous materials; or - Use of a composition according to the invention for caring for or cleansing keratinous materials such as the skin.
[0193] Cosmetic regimen means herein non-therapeutic cosmetic regimens such as cosmetic regimens for caring for or cleansing the surface of keratinous materials such as the skin.
[0194] The removal step in the cosmetic method according to the present invention can be carried out, for example, by rinsing the composition according to the present invention from keratinous materials such as skin with water.
[0195] If no removal step is performed, the cosmetic method according to the present invention may be useful for caring for keratinous materials such as skin, because (a) glycolipids can impart anti-inflammatory, anti-allergic, or antibacterial properties to keratinous materials, which may be particularly useful for caring for acne-prone and sensitive skin.
[0196] When a removal step is performed, the cosmetic method according to the present invention may be useful for cleansing keratinous materials such as skin, because (a) glycolipids can function as surfactants.
[0197] The present invention also provides (a) at least one glycolipid; (c) at least one polyol; (b) use of at least one cationic polymer selected from polylysine in a composition comprising: the amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, relative to the total mass of the composition; It also relates to the use of the composition to impart enhanced anti-inflammatory, anti-allergic or anti-bacterial properties to keratinous materials, which may be particularly useful in the care of acne-prone and sensitive skin.
[0198] The present invention also provides (a) at least one glycolipid; (b) at least one cationic polymer selected from polylysine; (c) the use of at least one polyol in a composition comprising the amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, relative to the total mass of the composition; It may also relate to use for increasing the viscosity of a composition, preferably to 700 mPa.s or more, more preferably 800 mPa.s or more, even more preferably 900 mPa.s or more, particularly preferably 1000 mPa.s or more at 25°C and atmospheric pressure (760 mmHg or 101325 Pa).
[0199] The above explanations regarding (a) glycolipid, (b) cationic polymer selected from polylysine, and (c) polyol for the composition according to the present invention are applicable to the above uses. [Example]
[0200] The present invention will now be described in more detail by way of examples, which should not, however, be construed as limiting the scope of the present invention.
[0201] (Examples 1 to 3 and Comparative Examples 1 to 3) [Preparation] Each of the compositions according to Examples 1 to 3 and Comparative Examples 1 to 3 was prepared by mixing the components shown in Table 1. All values for the amounts of components in Table 1 are based on "mass %" of the active material.
[0202] [Table 2]
[0203] [evaluation] (viscosity) The viscosity of each of the compositions according to Examples 1 to 3 and Comparative Examples 1 to 3 was measured at room temperature (25°C) and atmospheric pressure (760 mmHg or 101,325 Pa) using a VISCOMAN (trademark) (GILSON Technology Co., Ltd.) The viscosity was measured three times and averaged.
[0204] The results are shown in Table 1.
[0205] Compositions with viscosities below 700 mPa.s are believed to be prone to dripping from the hands, therefore it is preferred that the compositions have a viscosity above 700 mPa.s.
[0206] (Dilution test) Each of the compositions according to Examples 1 to 3 and Comparative Examples 1 to 3 was diluted with water to a volume of 10 times that of the original at room temperature (25°C) and atmospheric pressure (760 mmHg or 101,325 Pa). The dilution test simulates the use of the composition under humid conditions, such as in a bathroom.
[0207] The appearance of each composition was visually evaluated according to the following criteria. Good: The appearance changed from clear to cloudy, or precipitation was observed. Poor: No change in appearance was observed.
[0208] The more precipitate that occurs in the dilution test, the more capable the composition is of providing a glycolipid-containing deposit to keratinous materials.
[0209] The results are shown in Table 1.
[0210] (summary) The compositions according to Examples 1 to 3 were found to have a relatively higher viscosity of above 700 mPa.s and to be able to form a good glycolipid deposit on the skin.
[0211] The composition according to Comparative Example 1, which does not contain both (b) the cationic polymer (polylysine) and (c) the polyol, is unable to form a good glycolipid deposit on the skin and has a relatively lower viscosity, creating problems with the application of the composition on the skin by the consumer.
[0212] The composition according to Comparative Example 2, which contains (b) a cationic polymer (polylysine) but (c) no polyol, has a relatively lower viscosity, which may create problems for consumers with applying the composition onto the skin.
[0213] The composition according to Comparative Example 3, which contains (b) a cationic polymer (polylysine) and (c) a polyol in an amount of 0.5% by weight, has a relatively lower viscosity, which may create problems for consumers with applying the composition onto the skin.
Claims
1. (a) at least one glycolipid; (b) at least one cationic polymer selected from polylysine; (c) at least one polyol; A composition, preferably a cosmetic composition, more preferably a cleansing cosmetic composition, comprising: The amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, relative to the total mass of the composition. composition.
2. 2. The composition of claim 1, wherein the (a) glycolipid is selected from rhamnolipids, sophorolipids, and mixtures thereof, preferably rhamnolipids.
3. 3. The composition according to claim 1, wherein the amount of (a) glycolipid in the composition is 0.01% by mass to 20% by mass, preferably 0.1% by mass to 15% by mass, and more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.
4. 4. The composition according to claim 1, wherein the molecular weight of the (b) cationic polymer is greater than 1,000, preferably greater than 1,500, more preferably greater than 2,000.
5. The composition according to any one of claims 1 to 4, wherein the amount of (b) cationic polymer in the composition is 0.01% by weight to 10% by weight, preferably 0.05% by weight to 5% by weight, and more preferably 0.1% by weight to 3% by weight, relative to the total weight of the composition.
6. 6. The composition according to claim 1, wherein the mass ratio of the amount of (a) glycolipid to the amount of (b) cationic polymer in the composition is 1 or more, preferably 2 or more, and more preferably 3 or more.
7. 7. The composition according to claim 1, wherein the (c) polyol has 5 or more, preferably 6 or more, hydroxyl groups.
8. 8. The composition according to claim 1, wherein the (c) polyol is selected from the group consisting of sugar alcohols, preferably sorbitol, mannitol, and mixtures thereof.
9. The composition according to any one of claims 1 to 8, wherein the amount of (c) polyol in the composition is 1% by mass to 20% by mass, preferably 2% by mass to 15% by mass, and more preferably 2.5% by mass to 10% by mass, relative to the total mass of the composition.
10. 10. The composition according to claim 1, further comprising (d) at least one anionic surfactant, preferably selected from taurine-based surfactants.
11. The composition according to claim 10, wherein the amount of (d) anionic surfactant in the composition is 0.5% by mass to 20% by mass, preferably 1% by mass to 15% by mass, and more preferably 2% by mass to 10% by mass, relative to the total mass of the composition.
12. 12. The composition of claim 1, further comprising (e) at least one amphoteric surfactant.
13. The composition according to claim 12, wherein the amount of (e) amphoteric surfactant in the composition is 0.01% by weight to 20% by weight, preferably 0.1% by weight to 15% by weight, and more preferably 1% by weight to 10% by weight, relative to the total weight of the composition.
14. A cosmetic method for keratinous materials such as skin, comprising: applying a composition according to any one of claims 1 to 13 to keratinous materials; Optionally, removing the composition from the keratinous material. Beauty methods, including:
15. (a) at least one glycolipid; (c) at least one polyol; (b) use of at least one cationic polymer selected from polylysine in a composition comprising: the amount of (c) polyol in the composition is 1% by mass or more, preferably 2% by mass or more, and more preferably 2.5% by mass or more, relative to the total mass of the composition; Use of the composition to impart enhanced anti-inflammatory, anti-allergic or anti-bacterial properties to keratinous materials.
Citation Information
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