Kerastase - Résistance Serum Extentioniste Scalp & Hair Serum

Strengthening scalp and hair serum for stronger fiber from the roots.

Serum Extentioniste is a highly concentrated hair serum designed as a scalp treatment to promote a healthy scalp. This scalp treatment is enriched with Ceramides that stimulate the growth of healthy and strong hair follicles. Serum Extentioniste also acts as a hair straightening serum to add smoothness and softness to hair. A hair serum created to balance roots and ends, purify and protect the scalp while promoting a healthy scalp environment.