How to use Kérastase Spécifique Potentialiste Serum 90ml:

1. Shampoo and condition your hair as usual.
2. Towel-dry your hair to remove excess water.
3. Apply 2-3 pumps of the serum onto your scalp, section by section.
4. Gently massage the serum into your scalp with your fingertips.
5. Do not rinse out the serum.
6. Style your hair as desired.
7. For best results, use the serum twice a week.