DevaCurl Melt into Moisture Treatment Mask - 525ml A treatment with a rich moisture-preserving blend that eases detangling, reduces frizz, and nourishes dry curls without weighing them down. Melt on our ultra-rich conditioning mask. This treatment with a rich moisture preserving blend eases detangling, reduces frizz and nourishes dry curls without weighing them down. Leaves curls silky-soft and shiny. Use Glide a generous amount through cleansed, soaking wet curls. Leave in 15-20 minutes. For more intense hydration, cover with a plastic cap. For maximum moisture, leave in overnight. Rinse well. Use 1x a week or as needed.