Kérastase Premier Bain Dcalcinant Réparateur is a rich shampoo designed to effectively remove calcium buildup from the hair and scalp. This specialized formula works deep to address the damage caused by hard water, restoring the hair's natural vibrancy and health. Regular use helps to cleanse thoroughly while simultaneously initiating the repair process, leaving hair noticeably softer, smoother, and more receptive to subsequent treatments. It is ideal for fortifying hair structure compromised by mineral deposits.