Cosmetic Compostions
A method of reducing melanogenesis in skin is disclosed. The method can include topically applying to skin in need thereof a composition comprising an effective amount of an aqueous and glycerin extract of Rhododendron ferrugineum (alpine rose) leaf to reduce melanocyte pigmentation in the skin.
1. A method of reducing melanogenesis in hyperpigmented skin, the method comprising topically applying to hyperpigmented skin a composition comprising 0.001 wt. % to 0.1 wt. % of an aqueous and glycerin extract of Rhododendron ferrugineum (alpine rose) leaf to reduce melanocyte pigmentation in the hyperpigmented skin.
2. The method of claim 1 wherein the hyperpigmented skin is dark spots on the skin associated with aging.
3. The method of claim 1 , wherein the composition is an emulsion.
4. The method of claim 3 , wherein the emulsion is an oil-in-water emulsion.
5. The method of claim 1 , wherein the composition is a cream or lotion.
6. The method of claim 1 , wherein the composition is an aqueous solution or gel.
7. The method of claim 1 , wherein the composition consists of the extract, water, and glycerin.
8. The method of claim 1 , wherein the composition further comprises a pH adjuster.
9. The method of claim 8 , wherein the composition consists of the extract, water, glycerin, and the pH adjuster.