Kérastase Genesis Fondant Renforçateur 200mlStrengthening conditioner for thinning hair. It provides hydration to the hair, reduces its brittleness and prevents it from tangling. Genesis is a versatile line that strengthens all hair types. Fights hair loss due to weakened fiber and inactive roots. It supports the microcirculation of the scalp and prevents the deposition of collagen. At the same time, it nourishes and hydrates the hair fiber along its entire length, thus preventing its breakage.