03.23.23
US Patent No. 11,607,380 B2 (Tiffany Florence, David Gan, Michelle Hines); Mary Kay Inc., Addison, TX, has patented a method for treating skin by topically applying a composition that is comprised an effective amount of an aqueous, alcoholic, or aqueous-alcoholic extract from Vinca major. The composition reduces melanin production in the skin, increases antioxidant activity in the skin, and/or increases skin moisture content.