ZINC PCA is graded B (Low Concern) by Expert·ING, based on COSING, FDA regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.
ZINC PCA
Safety grade: B
Zinc PCA is a naturally derived compound that combines zinc with pyroglutamic acid, a substance found naturally in skin. It works to help skin retain moisture and maintain a healthy appearance.
This ingredient attracts and holds water in the skin to keep it hydrated and smooth, while also helping to condition and improve the overall texture and comfort of the skin.
Graded using: COSING, FDA.
- 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