Amika Midnight Mender Overnight Strength Repair Treatment – 3.3oz works while you sleep to repair and restore damaged hair by morning. Infused with bond cure technology, mango seed butter, and shea butter, this no-rinse treatment strengthens weakened strands, reduces breakage, and deeply nourishes without leaving residue on your pillow. Wake up to softer, healthier, and visibly stronger hair — no rinse required.