Nourish and protect your tresses with Kérastase Chroma Absolu Serum Chroma Thermique. This frizz-reducing leave-in treatment shields hair from external damage and provides up to 450°F heat protection. With 96% smoother hair and intense anti-humidity properties, this antioxidant-rich formula also defends against color-fading oxidative stress. Awarded Marie Claires Excellence in Beauty, Kérastase keeps your hair vibrant, smooth, and soft.