Does the PEPTI-correct HP contain Hydroquinone? No, it does not contain bleaching agents, peroxides, hypochlorites, or percarbonates. Last Update: October 20, 2018 October 20, 2018 1618FAQ’sRelated Knowledge Base Posts -What is 5% Lactic + collagen used for? What is the application process?Do PEPTI-pro-col and PEPTI-correct Hp peel the skin?Are your products tested on animals?