Olaplex 
Rich Hydration Mask

This deeply restorative, moisturizing hair mask for dehydrated hair or medium to coarse hair types is formulated with Biomimetic Cuticle Technology to lock in intense hydration and strength and seal hair cuticles for up to 5 washes to prevent moisture loss. This hydrating hair mask instantly reduces breakage with protection up to 5 washes, while delivering shine and all-day frizz control.

• Instant hydration that lasts through 5 washes*
• Strengthens hair and prevents breakage even after 5 washes
• Creates shine and all-day, humidity-resistant frizz control
  
  *On bleached hair tresses

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.