Isdin Isdinceutics Pigment Expert Serum Corrector Despigmentante Ampoule is the combination of interspecies acid 4 n-butyl resorciol phenoxy acids, niacimida and hydro. It has powerful e-postage properties that help prevent and treat dark spots. Gliicirrizato contains dopotasico, an ingredient of vegetable origin with a soothing property, which helps to preserve the contents of hyaluronic acid in the skin, restoring its flexibility.