Humectant ingredient
Silk Amino Acids
The amino acid fraction obtained by hydrolysis of silk fibroin, the structural protein of silk from Bombyx mori silkworm cocoons. Rich in glycine (~46%), serine (~12%), and alanine (~29%). Distinct from 'Hydrolyzed Silk' (which refers to larger peptide fragments), though both are derived from the same source. Absorbs into skin to replenish NMF components and provides a smooth, slightly substantive skin feel.
Also known as: hydrolyzed silk amino acids, sericin amino acids
humectantfilm-formingskin-conditioning
Benefits
- ✓Low-molecular-weight amino acids from hydrolyzed silk fibroin absorb readily into skin, providing deep moisture binding
- ✓Rich in serine, glycine, and alanine — skin-identical amino acids that act as natural moisturizing factor (NMF) components
- ✓Forms a light, semi-permeable film on the skin surface that reduces TEWL while retaining a non-tacky, smooth finish
Watch for
- ⚠Silk-derived — individuals with silk allergies or sensitivities should patch test
Compatibility
✓ Works well with
+ Sodium Hyaluronate+ Glycerin+ Panthenol
