No, keratin is derived from animal sources such as wool, feathers, or horns, making it not suitable for vegan products.

What does keratin do for hair?

Keratin helps to strengthen the hair shaft, reduce breakage, and improve the overall smoothness and shine of hair by filling in gaps in the cuticle.

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Keratin

Keratin is a fibrous structural protein found in hair, skin, and nails. In cosmetics, it's typically derived from animal sources like wool or feathers. It's used to help strengthen and protect these tissues, particularly in hair care products.

NoneProteinNot veganEvidence: Medium

BenefitModerate 1.8 / 4

Barrier support i0.5 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

strengthens hair
improves hair elasticity
smooths hair cuticle

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Products with Keratin

LADOR

Perfumed Hair Treatment

4/ 516/21/7

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Frequently asked questions

Is keratin vegan?: No, keratin is derived from animal sources such as wool, feathers, or horns, making it not suitable for vegan products.
What does keratin do for hair?: Keratin helps to strengthen the hair shaft, reduce breakage, and improve the overall smoothness and shine of hair by filling in gaps in the cuticle.