Obagi C-Clarifying Serum

This powerful vitamin C serum works to reduce hyperpigmentation while also providing powerful antioxidant protection from environmental damage that causes premature aging. Key ingredients include: 10% L-ascorbic acid: form of vitamin C that is recognized by the body, which offers a powerful antioxidant that protects cells and adds to collagen creation. 4% Hydroquinone: prescription strength skin lightener that inhibits the ability to create pigment in areas discolored or hyperpigmented.