Kérastase Chroma Absolu Leave in Serum Information This lightweight serum smooths the surface of the fibre and protects against heat, humidity, and frizz. Enriched with Vitamin E, known for its anti-oxidant properties and Latic Acid, known to trap dulling minerals, this serum protects colour from external aggressors, boosting shine and colour vibrancy. £22.42 150ML Sorry, product is not in stock at the moment.