Pigmentbio C-ConcentrateBioderma Pigmentbio C Concentrate is a high potency serum designed to target and correct hyperpigmentation, including dark spots, melasma, and uneven skin tone. Formulated with a stabilised form of Vitamin C, it works effectively to brighten the complexion and restore skin radiance. The serum's unique LumiReveal technology addresses the three biological stages responsible for hyperpigmentation: inflammation, production, and elimination of melanin.