Olaplex No. 4Fine Bond Maintenance shampoo

A lightweight, clinically tested shampoo designed to add volume and strengthen fine hair. Benefits: Gently cleanses without damage, strengthens and protects fine hair, removes buildup to help add volume and lift at the roots. Clinically tested to repair, prevent future damage, and fortify hair. Ingredients:. Flexible polymers – help provide volume and lift at the roots.. Low molecular weight hyaluronic acid – promotes soft, hydrated hair.. Hydra-Balancing Matrix – keeps fine hair clean and hydrated without weighing it down or over-conditioning.