초록 ▼

The invention relates to an extract of cotton fibers, a cosmetic composition comprising, by way of an active principle, at least one extract of cotton fibers, formed by mono, di, tri and tetra saccharides, in a physiologically suitable medium. The invention also relates to a cosmetic treatment metho

The invention relates to an extract of cotton fibers, a cosmetic composition comprising, by way of an active principle, at least one extract of cotton fibers, formed by mono, di, tri and tetra saccharides, in a physiologically suitable medium. The invention also relates to a cosmetic treatment method for protecting keratin substrates, for reinforcing the skin's cutaneous barrier and/or for reinforcing protection of the hair and/or for enhancing keratin synthesis and/or for nourishing keratin substrates. The invention also relates to a method for producing an extract of cotton fibers and to the use thereof for the preparation of a cosmetic composition according to the invention.

대표청구항 ▼

1. A method for preparing a cotton fibers extract, the method comprising: stirring about 10% to about 20% by weight of cotton fibers in powder form in osmosed water in the presence of a cellulase,performing hydrolysis on the cotton fibers for a time between 15 and 24 hours at a temperature of about

1. A method for preparing a cotton fibers extract, the method comprising: stirring about 10% to about 20% by weight of cotton fibers in powder form in osmosed water in the presence of a cellulase,performing hydrolysis on the cotton fibers for a time between 15 and 24 hours at a temperature of about 50° C.,deactivating the cellulase by heating to about 80° C. for about two hours after performing the hydrolysis,filtering the mixture obtained to collect a filtrate; anddiluting or concentrating the filtrate in osmosed water to obtain a cotton fibers extract having a concentration of about 20 g/kg to about 50 g/kg of total sugars comprising mono-, di-, tri-, and tetra-saccharides. 2. The method according to claim 1, wherein the hydrolysis is performed for a time of about 18 hours. 3. The method according to claim 1, further comprising adding, subsequent to diluting or concentrating the filtrate, additional saccharides to increase the total sugars to more than 50 g/kg. 4. The method according to claim 3, wherein said additional saccharides comprise glucose, fructose, trehalose, saccharose, and inositol. 5. The method according to claim 3, wherein said additional saccharides comprise one or more of glucose, fructose, trehalose, saccharose, and inositol. 6. The method according to claim 1, further comprising adding, subsequent to diluting or concentrating the filtrate, about 30% by weight glycerol.