11.30.-1
U.S. Patent No. 7,465,460 B1: Dennis Gross, New York, NY, has patented a method for treating skin. The method is comprised of the following sequential steps: applying to the skin a dermatological liquid composition comprising an effective amount of at least one acid, approximately 0.1-10% of at least one surfactant/emulsifying agent and a cosmetically acceptable vehicle, wherein the pH of the first dermatological liquid composition is between about 2.5 and about 4; and then neutralizing the first dermatological liquid composition by applying to the skin a second dermatological liquid composition comprised of at least one alkaline agent suitable for use in a skin care composition, approximately 0.1-10% by weight of at least one surfactant/emulsifying agent and a cosmetically acceptable vehicle, wherein the pH of the second dermatological liquid composition ranges from 7-12, wherein each of the first dermatological liquid composition and the second dermatological liquid composition has a viscosity of about 1cps to about 500 cps.