A deeply penetrating, luxe overnight treatment for damaged hair that repairs while you sleep. This powerful treatment repairs and replenishes damaged hair, restores and reinforces hair strength, and prevents future breakage. It absorbs instantly and won't leave greasy residue on pillows or sheets. The more you use it, the healthier your hair becomes. How to use: Apply to dry hair before bedtime. Dispense a quarter-size amount of Overnight Serum into palms, rub hands together and distribute evenly, concentrating on dry damaged ends. Leave on overnight and wash out in the morning. Use more or less depending on hair length and thickness. For best results use two to three times per week.