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 2334FAQ’sRelated Knowledge Base Posts -Will the PEPTI-nano mask work with LED because of the reflection and can LED penetrate through the mask?How many product drops are in each bottle?Are there any intrinsic risks involved in using unknown synthesized peptides?