Keratin (Hydrolyzed from Wool)
Keratin protein (non-hydrolyzed structural fragments)
Structural keratin protein; fills hair cortex; temporary structural repair; distinguishable from hydrolyzed keratin (smaller MW) vs. larger structural fragments; NOT vegan; formaldehyde in keratin treatments (Brazilian blowout style), must verify formaldehyde content, treat as formaldehyde releaser assessment if applicable
Function & Common Use
Hair Conditioning
Conditioner
Hair treatments keratin smoothing treatments
Animal (wool)
Concentration Limits
No limit
No limit
No specific 21 CFR cosmetic limit identified in source checked
No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category
Pregnancy: No specific restriction identified in source checked; standard cosmetic use
Frequently Asked Questions
Is Keratin (Hydrolyzed from Wool) safe to use in skincare?
Keratin (Hydrolyzed from Wool) has a Low concern rating from The Clean Sheet. Structural keratin protein; fills hair cortex; temporary structural repair; distinguishable from hydrolyzed keratin (smaller MW) vs. larger structural fragments; NOT vegan; formaldehyde in keratin treatments (Brazilian blowout style), must verify formaldehyde content, treat as formaldehyde releaser assessment if applicable
Is Keratin (Hydrolyzed from Wool) allowed in India?
Keratin (Hydrolyzed from Wool) is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.
What is Keratin (Hydrolyzed from Wool) used for in cosmetics?
Keratin (Hydrolyzed from Wool) functions as: Hair Conditioning. It is commonly found in: Hair treatments keratin smoothing treatments.
Regulatory Status
Identifiers
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