TEA-PCA is graded B (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.
TEA-PCA
Safety grade: B
TEA-PCA is a skin-conditioning ingredient derived from an amino acid called pyrrolidone carboxylic acid. It works like a moisture magnet, helping your skin hold onto water and stay hydrated and soft.
This ingredient attracts and retains moisture in the skin, reduces water loss, and helps protect and condition the skin barrier to keep it healthy and comfortable.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Other Humectant ingredients
- GLYCERIN — Grade B
- PROPYLENE GLYCOL — Grade A**
- CAPRYLYL GLYCOL — Grade A
- SORBITOL — Grade A
- LACTIC ACID — Grade B
- BUTYLENE GLYCOL — Grade A
- SODIUM HYALURONATE — Grade A
- XYLITOL — Grade A