Humectant ingredient
Cysteine
A sulfur-containing amino acid that acts as a humectant and antioxidant in cosmetics, contributing to skin hydration and supporting the skin's own defense mechanisms.
Also known as: l-cysteine
humectantamino-acidantioxidant
Benefits
- ✓Attracts and retains moisture
- ✓Supports the skin's natural moisturizing factor (NMF)
- ✓Antioxidant via thiol group
No known watch-fors.