New. K’ERASTASE Nutritive 8H Magic Night Serum. Size: 3.04 oz / 90 ml Features: - Easily Detangles hair - Hydrating - Increase Shine - Frizz Fighting Serum How to Use: Apply on dry or damp hair before bedtime. Spread a pump into hands and distribute on lengths and ends. No need to rinse in the morning. In case of contact with eyes, rise them immediately and thoroughly.