ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,586, issued on May 20, was assigned to MARY KAY INC. (Addison, Texas).
"Topical skin care formulations comprising plant extracts" was invented by Tiffany Florence (Dallas), David Gan (Southlake, Texas) and Michelle Hines (Hickory Creek, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating skin of a person is disclosed. The method can include topically applying to the skin of the person a composition comprising an effective amount of an aqueous, alcoholic, or aqueous-alcoholic extract from Prunus serrulata, wherein the composition reduces TNF-Alpha activity in skin, increases antioxidant activity in the skin, and/or increases sk...