Skincare that makes sense. See what's really in your products — in plain English.

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For informational purposes only — not medical advice. Always consult a dermatologist for skin concerns.

Hydrolyzed Keratin

1% line markerAI-analyzed

INCI: HYDROLYZED KERATIN

hair conditioningskin conditioningfilm formingantistatic

What it does

A protein derived from animal hair, wool, or feathers that has been broken down into smaller, water-soluble peptides through hydrolysis. It is widely used in hair care for its ability to strengthen, repair, and protect hair, and in skin care for conditioning.

Skin Concerns

Beneficial for

texturedrynessdullness

Safety & Science

Safety summary

Generally considered safe for cosmetic use. Potential for allergic reactions in very sensitive individuals, though rare.

CAS Number

69430-36-0

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

Found In Products

Related Ingredients

At a Glance

INCI Name: HYDROLYZED KERATIN
Common Name: Hydrolyzed Keratin
Functions: hair conditioning, skin conditioning, film forming, antistatic
Products: 275 products
CAS Number: 69430-36-0

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.

Hydrolyzed Keratin — Skincare Ingredient Guide — Dermasift — Dermasift