Kerastase Genesis Serum Fortifiant Hair Serum is a daily fortifying serum for weakened hair that is prone to falling due to breakage from brushing. It is a silicone-free serum that strengthens and nourishes hair day after day and dramatically reduces hair breakage from brushing.
How to use:
Apply 4 doses on dry or towel-dried scalp, section by section. 1 dose equals 1 pipette until the mark. Do not rinse.