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 2531FAQ’sRelated Knowledge Base Posts -Why aren’t plant based peptides effective for human skin?Does our DNA dictate what the cells need or do our cells determine what our DNA needs?How do you know your peptides are biologically active?