Compositions comprising paulownin and/or
Provided are compositions comprising botanical extracts from certain species of the genus Paulownia , methods of lightening the skin therewith, and other uses thereof. Also provided are compositions comprising the compound paulownin, methods of lightening the skin therewith, and other uses thereof.
1. A method of lightening the skin comprising applying to human skin in need of lightening a therapeutically effective amount of a composition comprising a cosmetically acceptable carrier and a botanical or cell culture extract of Paulownia tomentosa , wherein said extract of Paulownia tomentosa comprises about 20% or greater by weight of paulownin.
2. The method of claim 1 , wherein said composition further comprises an additional skin lightening agent selected from the group consisting of Phenylethyl resorcinol, 4-hexyl resorcinol, a-arbutin, Kojic acid, Dimethoxytolyl Propylresorcinol, ascorbyl-2-glucoside, soy extract, niacinamide, and combinations of two or more thereof.
3. The method of claim 1 , wherein said human skin in need of skin lightening is selected from the group consisting of skin darkened by UV, skin with uneven skin tone, skin having one or more pigmented spots, melanin spots, age spots, sun spots, senile lentigos, freckles, lentigos simplex, pigmented solar keratosis, seborrhoeic keratosis, melasma, acne marks, and combinations of two or more thereof.
4. The method of claim 3 , wherein said human skin in need of skin lightening treatment is selected from the group consisting of skin having one or more pigmented spots, melanin spots, age spots, sun spots, freckles, acne marks, and combinations of two or more thereof.
5. The method of claim 1 , wherein said botanical extract comprises about 50% or greater by weight of paulownin.
6. The method of claim 1 , wherein said botanical extract comprises about 70% or greater by weight of paulownin.
7. The method of claim 1 , wherein said botanical extract comprises 90% or greater by weight of paulownin.
8. The method of claim 1 , wherein said composition is in the form of a solution, suspension, lotion, cream, serum, gel, stick, spray, ointment, liquid wash, soap bar, shampoo, hair conditioner, paste, foam, powder, mousse, shaving cream, hydrogel, or film-forming product.
9. The method of claim 1 , wherein the paulownin is extracted from a plant of the genus Paulownia or a cell culture of a plant of the genus Paulownia.
10. The method of claim 9 , wherein the plant of the genus Paulownia is selected from the group consisting of Paulownia tomentosa , Paulownia fortunei, Paulownia elongata, Paulownia kawakamii , and combinations of two or more thereof.
11. The method of claim 1 , wherein the extract is selected from the group consisting of Paulownia tomentosa wood extract, Paulownia fortunei wood extract, Paulownia elongata wood extract, Paulownia kawakamii wood extract, and combinations of two or more thereof.
12. The method of claim 1 , wherein the extract comprises Paulownia tomentosa wood extract.
13. The method of claim 1 , wherein said composition further comprises butylene glycol.