Isdin pigment expert ampules 30sOverview Isdin Pigment Expert Correcting Serum acts against the signs of photoaging ing thanks to glycolic acid (GAc), which exerts a gentle exfoliating action that removes superficial cells from the skin, improving oxygenation and enhancing cell proliferation and improves the synthesis of collagen fiber, Dipotassium glycyrrhizate (DpG), which maintains the content of hyaluronic acid, restoring the skins flexibility. It has an important depigmenting