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An essential amino acid that the body cannot produce itself but has to take from the diet. Combined with UVA exposure, phenylalanine is used in the treatment of vitiligo (a pigmentation disorder where patches of the skin lose the pigment).

Show me some proof

  • Dermatology 1994;188:215–218, L-Phenylalanine and UVA Irradiation in the Treatment of Vitiligo

Products with Phenylalanine

O’Keeffe’s Unscented Lip Repair Lip Balm Maruderm Azaleic Acid %10 Serum Perfect Diary Amino Acid Facial Cleanser Pharmahealth Dermoteen Whitening Cream Amika Vault Color Lock Leave In Conditioner Dearskin Vitamin C Dear Serum Sesderma Repaskin Mender Atypical Skincare Glow Tonic Benton Honest Eyelash Serum Copenhagen Grooming The Activator Dearskin Vitamin C Dear Serum The Ordinary Natural Moisturizing Factors + HA For Scalp AVANT SKINCARE Hydrating Duo Anti-Aging Expert Cream With R.N.A. Anastasia Beverly Hills Eye Primer Apivita Hair Loss Lotion Celimax The Real Noni Moisture Balancing Toner Conscious Chemist Trubiom Pigmentation Corrector Lightweight Gel Cream ElishaCoy My Balance Mist – Ph Nacific Glow Intensive Bubble Toner Pacifica Cosmic Hemp Balancing Face Wash Revolution Skincare Pore Cleansing Charcoal Peel Off Mask Skin Authority Moisturizing Lift Cream The Ordinary Marine Hyaluronics VT Cosmetics Super Hyalon 7 Days Mask 2Sol Cica Youth Toner Amika Color Vault Shampoo Amika Flash Instant Shine Hair Gloss Mask Aqulabo Mask Boosting Jelly Mist Aqulabo Mask Boosting Jelly Mist Concious chemist Trubiom Pigmentation & Dark Spot Corrector Gel Cream Conscious Chemist Trubiom Pigmentation Correction Cream Elizabeth Grant Youth Molecule Serum Eunyul Real Hydrating Cream Fruto Salvaje Hair Loss Tonic Capilar Anticaida Malie Red Gensing Ultra Hydrating Essence Mask Malie Royal Jelly Ultra Hydrating Essence Mask Malie Seaweed Ultra Hydrating Essence Mask Malie Snail Ultra Hydrating Essence Mask Malie Stem Cell Ultra Hydrating Essence Mask Malie System Ultra Hydrating Essence Mask Mediheal N.M.F Aquaring Ampoule Mask Ex Victoria DeAnn Pepti Acne numbuzin No. 4 Honey Glow Propolis Serum the Cocoon The Cocoon Rose Serum Ausceuticals Peptide Moisturiser Brickell Men's Products Daily Strengthening Shampoo For Men CLEARSTEM Skincare Hydraglow Stem Cell Moisturizer Facinnius Infinity One Holifrog Amino Cushion Cream Kikumasamune Sake Skin Care Essence