PHENYLALANINE is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
PHENYLALANINE
Safety grade: A
Phenylalanine is an amino acid, which is a building block of proteins found naturally in many foods and in your body. In cosmetics, it's used to help condition and improve the texture of hair and skin.
This ingredient works as a conditioning agent to soften and smooth hair and skin, while also helping to mask any unpleasant odors in the product.
Graded using: COSING, FDA.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A