Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant

Kérastase Genesis Hair Serum, a daily silicone-free treatment enriched with ginger and caffeine, strengthens weak, brittle hair and reduces breakage from brushing, leaving hair nourished and healthy.
After use, 97% experience less hair fall due to breakage from brushing. Serum fortifies & strengthens to create nourished & healthy hair. Lightweight formula that will not leave residue.
Use morning or evening for a minimum of 6 weeks. Apply 4 doses on dry or towel-dried scalp section by section. Massage to promote distribution and absorption into hair. Do not rinse.