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1. WO2020112088 - MULTI-BENEFIT PERSONAL CARE COMPOSITIONS AND METHODS FOR THE SAME

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[ EN ]

CLAIMS

What is claimed is :

1. A personal care composition, comprising a carrier and one or more sulfated polysaccharides.

2. The personal care composition of claim 1, wherein the one or more sulfated polysaccharides are present in an effective amount to increase natural moisturizing factors (NMFs) in skin when applied to the skin.

3. The personal care composition of claim 1, wherein the one or sulfated polysaccharides are present in an effective amount to increase antimicrobial peptide (AMP) in skin when applied to the skin.

4. The personal care composition of any one of the preceding claims, wherein the one or more sulfated polysaccharides are present in an amount of from greater than 0 weight % to about 5 weight %, from greater than 0 weight % to about 0.5 weight %, or from greater than 0 weight % to about 0.1 weight %, based on a total weight of the personal care composition.

5. The personal care composition of any one of claims 1 to 3, wherein the one or more sulfated polysaccharides are present in an amount of greater than 0 weight %, greater than 0.05 weight %, greater than 0.1 weight %, or greater than 0.5 weight %, based on a total weight of the personal care composition.

6. The personal care composition of any one of the preceding claims, wherein the one or more sulfated polysaccharides comprise a linear sulfated polysaccharide comprising one or more sulphate groups.

7. The personal care composition of any one of the preceding claims, wherein the one or more sulfated polysaccharides comprise a natural sulfated polysaccharide.

8. The personal care composition of any one of claims 1 to 6, wherein the one or more sulfated polysaccharides comprise a synthetic sulfated polysaccharide.

9. The personal care composition of any one of claims 1 to 6, wherein the one or more sulfated polysaccharides comprises one or more of carrageenan, keratan sulfate, chondroitin sulfate, dextran sulfate, dermatan sulfate, fucoidan, funoran, heparin, porphyran, or combinations thereof.

10. The personal care composition of claim 9, wherein the one or more sulfated polysaccharides comprises carrageenan, optionally, consists of carrageenan, further optionally, consists essentially of carrageenan.

11. The personal care composition of claim 10, wherein the carrageenan comprises one or more of kappa-carrageenan, iota-carrageenan, lambda-carrageenan, or combinations thereof, optionally, the carrageenan comprises kappa-carrageenan.

12. The personal care composition of any one of the preceding claims, wherein the personal care composition consists essentially of the carrier and the one or more sulfated polysaccharides, optionally, the personal care composition consists of the carrier and the one or more sulfated polysaccharides.

13. The personal care composition of claim 12, wherein the one or more sulfated polysaccharides consists essentially of carrageenan, optionally, the one or more sulfated polysaccharides consists of carrageenan.

14. The personal care composition of any one of the preceding claims, wherein the carrier is a solid carrier.

15. A method for preparing the personal care composition of any one of the preceding claims, the method comprising contacting the one or more sulfated polysaccharides and the carrier with one another.

16. A method for treating, preventing, or reducing microbes on skin, the method comprising contacting the skin with any one of the personal care compositions of claims 1 to 14, optionally, the method further comprises increasing production of antimicrobial peptides in or on the skin.

17. The method of claim 16, wherein contacting the skin increases production of antimicrobial peptide biomarker LL-37 in or on the skin.

18. The method of claim 16 or 17, wherein contacting the skin increases an innate immune response.

19. A method for treating one or more dry skin conditions, the method comprising contacting the skin with any one of the personal care compositions of claims 1 to 14, optionally, the method further comprises increasing an amount of natural moisturizing factors in or on the skin.

20. The method of claim 19, wherein contacting the skin increases an amount of Caspace-14 in or on the skin.