INCI · other · CIR review pending · used in 1 products
Phenylalanine(300 Ppm)
Phenylalanine is an essential amino acid that the human body cannot synthesize on its own and must obtain through diet. It is used in cosmetic formulations as a skin-identical ingredient. When combined with UVA exposure, it has been studied in the treatment of vitiligo, a pigmentation disorder characterized by patches of skin losing their pigment.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Phenylalanine is recognized as a skin-identical ingredient. In combination with UVA irradiation, it has been used in the treatment of vitiligo to help address pigmentation loss, as supported by a 1994 Dermatology study.
skin-identicalbrightening
● Cautions
Used in combination with UVA exposure for vitiligo treatment, suggesting potential photosensitivity considerations when used alongside UV irradiation.
