Skin Conditioning

Carboxymethyl Disulfide Keratin

INCI: CARBOXYMETHYL DISULFIDE KERATIN

Reviewed by Kate · Last updated 18 Aug 2026

What Is Carboxymethyl Disulfide Keratin?

Carboxymethyl Disulfide Keratin is the product obtained by the reduction and oxidation of wool fibers to derivatize the free thiol groups to S-carboxymethyl keratin.

Its declared cosmetic function is hair conditioning.

Source: European Commission CosIng inventory.

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