“This masque features a blend of high-performance ingredients like green caviar, an algae rich in oligoelements, vitamins, and minerals,” says Federico. “It’s formulated to nourish, rebuild, and revitalize hair, leaving it shiny, smooth, healthy and strong. Repair and rejuvenate strands while you sleep, thanks to this mask that offers deep conditioning without weighing down your hair.”

Size: 57 g.

Key ingredients: green caviar, algae

Dermstore review: 4/5

Our expert says: “There’s really only one overnight masque that I can authentically recommend; I’ve seen it work absolute miracles on parched, damaged hair, transforming it to a silky, soft and manageable state. The R+Co BLEU Sleep Masque Night Repair Serum is a great choice for those looking to give their hair some extra TLC overnight.”—Adam Federico, R+Co’s vice president of technical education