The Magic Night Duo Kérastase set combines two expert treatments designed to work overnight for healthier-looking hair. The Genesis Anti-Hair Loss Fortifying Serum helps strengthen weakened hair and reduce hair fall due to breakage, while the Nutritive 8H Magic Night Serum deeply nourishes lengths for softer, smoother and revitalized hair by morning. Helps reduce hair fall due to breakage and strengthens hair Deeply nourishes hair overnight Hair feels softer, smoother and revitalized in the morning SET CONTENTS Genesis Anti-Breakage Fortifying Serum — 90 ml / 3.04 fl. oz. Nutritive 8h Magic Night Serum — 30 ml / 1.01 fl. oz. HOW TO USE In the evening, apply a few pipettes of the Genesis serum to the scalp and gently massage to promote absorption. Apply the Nutritive night serum to lengths and ends. Leave overnight without rinsing and wake up with nourished, stronger hair.