Kérastase Première Sérum Filler Fondamental is a lightweight leave-in treatment for the inner repair of all types of damaged hair, leaving it glossy and supple.

✔ Repels humidity
✔ Deeply nourishes
✔ Locks out frizz
✔ Recreates softer and smoother hair

•3x smoother hair*
•2x softer hair*
•99% stronger hair*
•72H anti-frizz*
•hair protected from heat, up to 230°C*

•3x smoother hair*
•2x softer hair*
•99% stronger hair*
•72H anti-frizz*
•hair protected from heat, up to 230°C*