Compositions comprising extracts of
View Patent ↗The present invention relates to a skin care composition comprising an extract of Bursera simaruba seeds and a cosmetically acceptable topical carrier. Such composition is useful for improving skin barrier function and moisturization as well as improving signs of skin aging.
1. A method of improving the barrier function and moisturization of skin, comprising topically applying to skin in need of improving skin barrier function and moisturization a composition comprising an extract of hulled Bursera simaruba seeds and a cosmetically acceptable topical carrier, wherein said composition comprises from about 0.0001 to about 20% of said extract.
2. A method of improving a sign of skin aging, comprising topically applying to skin in need of treatment for signs of skin aging a composition comprising an extract of hulled Bursera simaruba seeds and a cosmetically acceptable topical carrier, wherein said composition comprises from about 0.0001 to about 20% of said extract.
3. The method of claim 1 , wherein said extract is prepared by pulverizing the hulled Bursera simaruba seeds and extracting the hulled seeds in a polar solvent having a dielectric constant value of between 1 and 100 at 20° C.
4. The method of claim 1 , wherein the composition comprises from about 0.01 to about 5% of said extract.
5. The method of claim 1 , wherein the method further comprises applying the composition directly from a package to the skin.
6. The method of claim 1 , wherein the method further comprises transferring the composition from a substrate selected from the group consisting of a wipe, mask, and combinations thereof, to the skin.
7. The method of claim 1 , wherein the composition further comprises glycerin and at least one other cosmetically acceptable topical carrier, and wherein the composition is applied to the skin for 15-60 minutes at least once daily for a minimum of two weeks.
8. The method of claim 7 , wherein said applying comprises applying the composition to the skin for a maximum of eight weeks.
9. The method of claim 1 , wherein the composition further comprises at least one of glycerin, petrolatum, isopropyl palmitate, and dimethicone.
10. The method of claim 1 , wherein the composition further comprises an extract of Tanacetum parthenium.
11. A method of improving the barrier function and moisturization of skin, comprising topically applying to skin in need of improving skin barrier function and moisturization a composition comprising an extract of hulled Bursera simaruba seeds and a cosmetically acceptable topical carrier, wherein said composition comprises from about 0.0001 to about 20% of said extract of hulled Bursera simaruba seeds and wherein said extract is a methanol extract.