Ingredient

Phenylalanine

Low risk

FunctionAmino Acid

What it is — Phenylalanine (INCI: Phenylalanine) is an amino acid used as a conditioning ingredient for skin and hair.

What it does — It helps support the surface's natural moisture balance and is commonly used to condition, contributing to a soft, smooth feel.

Typical use — Found in conditioners, hair treatments, moisturizers, essences and serums, often within amino-acid blends.

Who it suits / good to know — Broadly suitable across skin and hair types and easy to combine with other amino acids, humectants and proteins.

Safety — DHALIORA grades it low risk in its EWG-style, ingredient-by-ingredient review, reflecting a skin- and hair-familiar amino acid. This is general information, not medical advice.

Cross-reference

Found in these DHALIORA products

Found in 1 DHALIORA product

Sunday To Monday Diamond Spicule 5,000 Shot Sunday To Monday Diamond Spicule 5,000 ShotScreening 9.1
How grades are set — Risk reflects our own reading of publicly available safety data, an EWG-style reading shown at the worst-case grade we've assigned this ingredient across products. It isn't a third party's proprietary score, and it isn't medical advice. Always read the packaging and patch-test where indicated.
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