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 1611FAQ’sRelated Knowledge Base Posts -What is the delivery system of peptide/ chelator in PEPTI-correct HP?If the Hayflick limit for human cells are 50-70 divisions and skin cells divide why don’t we eventually lose all skin cells?Can you explain the chelating agent in PEPTI-correct Hp and why is it beneficial to skin?