Dual composition cosmetic product with a concentration sensitive and an incompatible active respectively placed within first and second compositions

A cosmetic product comprising:

• (i) a first cosmetic composition including from about 0.1 to about 20% by weight of said first composition of a first dermal active which is an alpha- or beta-hydroxy carboxylic acid in a pharmaceutically acceptable carrier, the first dermal active being capable of irritating the skin;
• (ii) a second cosmetic composition including from about 0.01 to about 20% by weight of said second composition of a second dermal active incompatible with the first cosmetic composition and delivered in a pharmaceutically acceptable carrier, incompatibility of the dermal actives being reflected by the second dermal active having a skin benefit which is at least partially impaired or inactivated by contact with the first dermal active;
• and
• (iii) a dispenser with first and second areas to separately store the respective first and second cosmetic compositions, and wherein the first and second compositions are dispensed to an exit nozzle in a respective dispensing weight ratio of from about 30:1 to about 2:1.