Kérastase Aqua-Oleum provides instant and lasting nutrition for dry to moderately dry hair. This nourishing treatment penetrates the hair fibre thanks to the Nutri-huille technology to leave hair feeling ultra-light and silky from root to tip. Kérastase Aqua-Oleum treatment combines nano-nutrition, jojoba and avocado oils to form an ultra fine emulsion that works to penetrate your dry to moderately dry hair immediately. This nourishing treatment provides long lasting nutrition to your hair to leave it detangled, soft and silky after just one application. Directions of use: Recommended hair baths: Bain Satin 1 or 2. Apply to towel-dried hair. Using the reusable Aqua-Vector, apply the product mèche by mèche to the mid-lengths of the hair. Comb each section, distributing the product through the lengths and ends of the hair. Emulsify gently and rinse thoroughly, no waiting time is necessary.