Kérastase Fusio-Dose Concentré Nutritive with Niacinamide – 10 x 12ml. Professional use only. Mix one 12ml concentrate with a compatible Kérastase Fusio-Dose Booster, apply to shampooed, towel-dried hair, massage through the lengths, leave for 3–5 minutes, then rinse thoroughly.
This product is ideal for professionals seeking a high-concentration fusio niacinamide hair treatment.
