Olaplex Rich Hydration Mask delivers intense moisture to dry, depleted hair while reinforcing strength and resilience from within. It uses advanced cuticle-sealing technology to lock in hydration, boost shine, and maintain lasting frizz control. For dry coarse hair Weekly treatment use Who is it for? For those needing deep hydration What Does it do? Deeply hydrates dry hair Strengthens and reinforces strands Seals cuticle to lock moisture Boosts shine and smoothness Controls frizz all day How-To After shampooing, apply mask generously to wet hair, focusing on mid-lengths to ends Leave on for 3-5 minutes, then rinse well For best results, use weekly in place of conditioner