Hair looking thinner than usual? Add Kérastase Specifique Intensive Scalp and Thinning Hair Treatment to your hair care routine. This Intensive scalp and hair treatment for thinning hair helps to increase hair flexibility, recapture hair volume, and improve the appearance of thinning hair. Apply Traitement Intensif Anti-Affinement to dry or towel-dried hair. Distribute onto the scalp section by section, massaging with fingertips. Leave-in. Do not rinse. Minimum usage from 6 to 8 weeks. Use 1 application per day or at least 3 applications per week to improve the appearance of thinning hair.