ARGININE PCA is graded A (Safe) by Expert·ING, based on COSING regulatory data.
ARGININE PCA
Safety grade: A
Arginine PCA is a amino acid derivative that acts like a natural humectant found in healthy skin. It helps skin attract and retain moisture, keeping it hydrated and soft.
This ingredient draws water into the skin and conditions it, helping to improve hydration, reduce dryness, and enhance the skin's natural moisture barrier.
Graded using: COSING.
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