Première Sérum Filler Fondamental Serum

Kérastase Repairing Anti-Frizz Filler Serum is a lightweight leave-in treatment that helps repair damaged hair, making it glossy and supple.

• The description claims that the serum helps repair damaged hair through a dual action of sealing cuticles and filling external damage.
• The description claims that the serum protects hair from calcium damage due to hard water and from humidity and heat up to 230°C.
• The description claims that the serum eliminates frizz and leaves hair smooth and supple.