8H Magic Night Serum by Kérastase is a beauty sleep high-nutrition night serum for dry hair. This overnight hair treatment contains anti-dryness polymers for immediate care with a light and non-greasy finish. It also delivers a dose of essential nutrients that boost the formula’s ability to nourish and reinforce the hair. The magical overnight hair serum works for 8 hours to revitalize and regenerate dry hair and protects it from pillow friction. +98% stronger hair* Includes *12x 6ml samples (72mL)* Retails for $84 x 90mL Use as refill or for travel!!