Living Proof Perfect Hair Day 5-in-1 Styling Treatment is a multi-benefit formula designed to improve the look and feel of hair. It smooths, adds volume, strengthens strands and enhances softness and shine in one simple step. Perfect for simplifying styling routines, it helps create hair that looks healthier, fuller and easier to manage. Smooths hair and enhances softness Adds volume and body Strengthens hair and boosts shine HOW TO USE Apply a small amount to clean, damp hair. Distribute evenly from roots to ends and blow-dry or style as desired.