Snapshot
- Overview
- An amino acid that helps skin hold moisture and feel smoother.
- Category
- Hydration, Skin Conditioning
- Type
- Humectant
Tyrosine
Tyrosine is a nonessential aromatic amino acid present in proteins and biomembranes. In cosmetics it acts as a humectant and conditioning agent, boosting water binding and improving formula glide and surface feel.
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Our take
Is Tyrosine a Good Ingredient?
It rates Fair because it works primarily as a humectant, with limited clinical evidence for broader skin effects. It can also oxidize, and in rare cases may contribute to mild sensitivity.
What it does
Skin Benefits
Attracts moisture for a softer, more supple feel on the skin's surface, though evidence for broader skin improvements is limited, so the benefits are mainly hydrating and conditioning.
Where you'll find it
Uses in Skincare & Cosmetics
Used in hydrating toners, gel moisturizers, and sheet masks to boost water-binding; sometimes added to serums to improve skin feel.
Before you use it
Safety
Generally well tolerated, but oxidation byproducts may raise irritation risk for very sensitive skin. Product discoloration over time is usually cosmetic rather than a safety concern.
Products with Tyrosine
