Kérastase (French pronunciation: [keʁastaz]) is a French luxury hair and scalp care line that distributes products internationally.

Kérastase is part of the L'Oréal Professional Products Division.

Kérastase was founded in 1964 by scientists at L’Oreal Advanced Research.

Kérastase sells hair care and styling products at luxury salons, through their e-commerce site, and in Sephora.