They are mainly made with alpha-hydroxy acids (glycolic, lactic, mandelic) AmbroSina SkinCare, betahydroxy acids (salicylic acid), retinoic acid, modified phenol, 10-15% trichloroacetic acid.

It takes between 4 and 6 sessions to achieve an optimal result. To treat melasma, there are several formulas for depigmenting masks that combine retinoic acid and depigmenting substances that are generally applied in a single session.

Means AmbroSina SkinCare: They are indicated for a more advanced solar aging since they act on the fine wrinkles and of average depth and to control the spots produced by the sun.