Mend up to 100% of split ends while you sleep A leave-in overnight hair repair helps restore damaged hair and prevent future breakage. Revitalize dull, dry hair. Protect from environmental stress. Enerjuve™ Complex helps protect color and hydrates and repairs the cuticle to revive damaged, distressed hair to its natural healthy-looking beauty. Use instructions: Use 3 times per week, at night. Apply a small amount to damp or dry hair, focusing on ends. Leave in. 100 mL (3.38 fl. oz.) NEW IN BOX