Kérastase Première's Fundamental Filler Serum is a leave-in hair repair serum. This anti-frizz serum seals and fills hair strands while protecting them from heat styling, for shiny, strong hair.
FEATURES
For smooth, supple and manageable hair
Removes calcium buildup caused by hard water
Protects up to 450°F/230°C
For hair damaged by bleaching or coloring
Reduces hair breakage
Light balm texture
Enriched with peptide to regenerate the hair surface
