Last reviewed May 2026 · 1 min read

Is Keratin vegan?

Also known as: Hydrolyzed keratin, Keratin amino acids

Not Vegan

Derived from animals — avoid.

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In short

No — It is directly extracted from the ground-up horns, hooves, feathers, quills, and hair of various animals.

01 · The basics

What is Keratin?

A structural protein used extensively in hair care products (shampoos, treatments) to smooth frizz and repair damage.

02 · The source

Where it comes from

It is directly extracted from the ground-up horns, hooves, feathers, quills, and hair of various animals. Plants do not naturally produce keratin.

03 · Alternatives

Best vegan alternatives

Phyto-keratin (hydrolyzed wheat/soy protein)

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Panthenol

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Frequently asked

FAQ

What is vegan keratin made of?

Vegan 'keratin' isn't real keratin; it's a blend of plant-based amino acids (often from wheat, soy, or corn) that mimics the smoothing effect of animal keratin.

Is Brazilian blowout keratin cruelty-free?

Traditional keratin smoothing treatments use animal-derived protein. You must specifically ask your salon for a certified vegan plant-based alternative.

Commonly found in

Hair straightening treatmentsShampoosConditionersNail strengtheners