Cysteamine HSA Pigment & Tone Corrector is a next generation pigment cream combining Cysteamine and patented Heparan Sulfate Analog (HSA) to effectively improve the appearance of stubborn discoloration and even skin tone.Key Benefits:Dual technology works from within to target inflammation that can lead to hyperpigmentation, improving the appearance of dark spots in as early as 8 weeks with best results at 16 weeks.Hydroquinone-freeSuitable for dry and sensitive skinSafe for continued, long-term useDoesn't clog poresHypoallergenicDermatologist-testedParaben, gluten, and cruelty free