The Fenadul product line takes care of your depigmented skin effectively, both internally and externally. This brand has oral photosensitizing products, these are food supplements to complement a healthy and varied diet, and topical photosensitizers to be applied directly to the skin to improve skin pigmentation. The Fenadul range contributes to the depigmented skin with L-Phenylalanine, an amino acid that plays a very important role during the melanin formation phases.