Cosmetic active substance obtained through bioconversion by
The invention relates to a particular cosmetic active substance that is constituted through bioconversion by Lactobacillus arizonensis of its original substrate, Simmondisia chinens . The invention also relates to a preparation method, to compositions comprising same, and to uses thereof for cosmetic applications.
1. A cosmetic active substance, characterized in that it is the product obtained through bioconversion by of Simmondsia chinensis by Lactobacillus arizonensis.
2. The cosmetic active substance according to claim 1 , characterized in that it is obtained from a supernatant obtained through bioconversion by of Simmondsia chinensis by Lactobacillus arizonensis.
3. The cosmetic active substance according to claim 1 , characterized in that it is a supernatant obtained through bioconversion by of Simmondsia chinensis by Lactobacillus arizonensis.
4. The cosmetic active substance according to claim 1 , characterized in that it comprises sugars.
5. The cosmetic active substance according to claim 1 , characterized in that a carbohydrate fraction of the active substance comprises polysaccharides and oligosaccharides containing glucose, galactose, and fructose.
6. The active substance according to claim 1 , characterized in that it comprises at least one cyclic polyol.
7. The cosmetic active substance according to claim 1 , characterized in that it comprises at least pinitol.
8. The cosmetic active substance according to claim 1 , characterized in that it comprises proteins and/or minerals and/or lactic acid.
9. A cosmetic composition, comprising at least 0.1 wt. % of an active substance according to claim 1 .
10. The cosmetic composition according to claim 1 , characterized in that it is in the form of a cream or gel.
11. The active substance according to claim 1 , characterized in that it is in powder form.
12. A method for obtaining an active substance according to claim 1 , characterized in that it comprises the following steps:
Culturing of Lactobacillus arizonensis in a culture medium supplemented with Simmondsia chinensis;
Stopping cultivation through thermal inactivation;
Separating a biomass from a supernatant;
Filtering the supernatant.
13. The method according to claim 12 , characterized in that it also comprises a purification step and/or a decoloration step and/or a deodorization step and/or an atomization step.
14. A method for cosmetic treatment, consisting of using the cosmetic active substance according to claim 1 on healthy skin to improve the beauty of the skin.
15. A method for cosmetic treatment, consisting of using the cosmetic composition according to claim 9 on healthy skin in order to improve the beauty of the skin.
16. A method for cosmetic treatment, consisting of using the cosmetic composition according to claim 9 on healthy skin for improving the glow of the skin and/or enhancing the radiance of the skin and/or increasing the hydration of the skin.
17. A method of cosmetic treatment, consisting of applying the cosmetic composition according to claim 9 on healthy skin to regulate the balance of skin flora and/or to reinforce the integrity of skin barrier and/or to activate epidermal renewals and/or to energize innate immune defenses.
18. A method for cosmetic treatment of healthy skin in order to improve the beauty of the skin, characterized in that it consists of applying a composition according to claim 9 to the skin at least once a day.
19. A method for cosmetic treatment of healthy skin in order to improve the beauty of the skin, characterized in that it consists of applying a composition according to claim 10 to the skin at least once a day.