Hydrolyzed Hair Keratin
AKA “Keratin Hydrolysate, Soluble Keratin, Hair Protein Hydrolysate
Synthetic
vote to see if the hive agrees
Ingredient Facts
Hydrolyzed hair keratin
AKA: Keratin Hydrolysate, Soluble Keratin, Hair Protein Hydrolysate
Synthetic · Hair Conditioning | Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Hair Care
Synthetic
Clean
Hydrolyzed Hair Keratin strengthens and conditions both hair and skin, helping to smooth the surface and lock in moisture for a softer, healthier look.
CAS #
65997-21-9, 69430-36-0
Form
Powder
Plant-Derived
Animal-Derived (wool/feathers) or Plant-Derived
Function
Hair Conditioning | Skin Conditioning
Benefits
Locks in moisture
Traditional Use
Keratin, the primary structural protein in hair, began being extracted and used in cosmetics in the mid-20th century to repair damaged hair. Hydrolyzed hair keratin was developed to create smaller peptide chains that can penetrate the hair shaft and restore strength and shine.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not an Irritant
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: CosIng · EWG · CIR