Hydrolyzed silk is a water-soluble protein derived from silk fibroin broken into smaller peptides and amino acids. It is used in skincare and haircare as a humectant and film-former that helps improve skin smoothness, hydration, and surface conditioning.
| Reported effect | How often | Notes |
|---|---|---|
Allergic contact dermatitis | Rare | Protein-based sensitization can occur, particularly in individuals with silk or insect-protein allergies. |
Mild skin irritation or redness | Rare | Generally well tolerated; transient irritation possible in sensitive skin. |
Contact urticaria | Very rare | Hives may develop in those with pre-existing silk protein hypersensitivity. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.