An essential amino acid used in the treatment of vitiligo and other pigmentation issues. It is considered less effective than other anti-pigment ingredients and is often used in combination with them.
Functions
Fragrance
Fragrance
Fragrance ingredients add scent to a product or hide ('mask') the undesired aroma of other ingredients.
Fragrance
Fragrance
Fragrance ingredients add scent to a product or hide ('mask') the undesired aroma of other ingredients.
Origin
Synthetic,
Synthetic
All kinds of ingredients formulated or produced by a chemical process, or those that have a chemical modification in their structure.
Synthetic,
Synthetic
All kinds of ingredients formulated or produced by a chemical process, or those that have a chemical modification in their structure.
Animal
Animal
Ingredients derived from animals (including birds, fish, crustaceans, mollusks, and insects) or produced by animals (e.g. dairy- and egg-derived ingredients, bee products, silk, pearls, etc.)
Animal
Animal
Ingredients derived from animals (including birds, fish, crustaceans, mollusks, and insects) or produced by animals (e.g. dairy- and egg-derived ingredients, bee products, silk, pearls, etc.)
Phenylalanine is an essential amino acid that is used by our body to create proteins.
It was used in dermatology in the past as a part of vitiligo treatment (in combination with other topical agents and/or UV light therapy) but nowadays the ingredient is considered to be less effective.
A modified version of Phenylalanine, Undecylenoyl phenylalanine (with undecylenic acid for better fat solubility), is used as a prospective anti-pigment treatment for dark spots and melasma. It is said to have a slightly pungent aroma.
Science
1
Hossani-Madani, A. R., & Halder, R. M. (2010). Topical treatment and combination approaches for vitiligo: new insights, new developments. Giornale italiano di dermatologia e venereologia : organo ufficiale, Societa italiana di dermatologia e sifilografia, 145(1), 57–78.
2
Katoulis, A., et al. (2014). A double-blind vehicle-controlled study of a preparation containing undecylenoyl phenylalanine 2% in the treatment of melasma in females. Journal of cosmetic dermatology, 13(2), 86–90.
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