Humectant ingredient
Leucine
An essential branched-chain amino acid used as a humectant that helps maintain skin hydration as part of the skin's natural moisturizing factor.
Also known as: l-leucine
humectantamino-acid
Benefits
- ✓Attracts and retains moisture
- ✓Supports the skin's natural moisturizing factors (NMF)
No known watch-fors.