Perfect booster in the skincare routine: its light texture means that it can be applied before another serum. And has been shown to optimize the efficiency of the cream used with it. Apply the morning and the evening over the entire face and neck area. Follow with your usual Sothys cream. * Depolluting = helps to limit damaged to the skin caused by pollution. For an intensive course of treatment: Energizing serum + Depolluting* youth cream. Throughout the year: Energizing serum to associate with all other youth creams.