Kérastase is an international luxury hair care brand based in France, which is part of the portfolio of the professional products division of the multinational parent company the L’Oréal Group. It is a leading brand in various countries in the professional and luxury hair care category. Kérastase claims to be the number 1 professional hair care brand worldwide and claims to use a diagnostic approach to treat the individual hair needs of every woman.
Redken is an American hair care brand of L’Oréal Group under the Professional Products division. RDH is a depository of Redken, a specific men’s line based on today’s barber.