Turn back time and the effects aging has on your hair with Kérastase Chronologiste Bain Régénérant and Masque Intense Régénérant. Designed to gently remove impurities from the scalp and hair fibers, Chronologiste reveals stronger hair and nourishes and moisturizes your hair. #kérastase #kerastasesalon #luxuryhaircare #luxurysalon #aginghaircare #chronologiste