The 10 Best Overnight Hair Masks for Healthier, Hydrated Strands

Feeling more like a leave-in serum than thick hair mask, this Living Proof best-seller lives up to the very convincing hype. (As in, you'll be tempted to use it every night.) It works as you sleep to boost shine, smoothe frizz, and rejuvenate dull strands better than any other we've tested—plus, the result can last up to five shampoo washes. 

Shop It: $29; sephora.com, amazon.com

Amazon shoppers and TikTok users alike are all over this hair mask like butter on a hot biscuit. It comes fortified with hair holy grails like argan oil, coconut oil, and shea butter to soothe frizz, treat split ends, and deeply condition from root to tip. When applying overnight, the brand recommends covering with a microfiber towel. 

Shop It: $39.90; amazon.com

For those who are icked out by the idea of sleeping in a thick hair mask—or those with fine or thin hair that tends to get oily—an overnight serum can give you the healing power you want without feeling a thing. Castor oil works serious hydration and nourishment wonders with regular use, and you can expect to wake up with strands that just feel healthier. 

Shop It: $6.97; walmart.com

That's right: The super popular damage repair mask by Briogeo has a pillow-friendly version that you spray directly on your hair, from roots to tips, and leave in until styling your hair the next day (no rinsing required). It employs a blend of vital nutrients including B-vitamins, algae, and biotin to replenish and strengthen damaged hair.

Shop It: $28; ulta.com

Another Amazon favorite, this hair mask quenches the thirst for even the most parched hair—course and curly hair textures especially—using an infusion of silk amino acids, biotin, and vitamins D and E. Unlike most hair masks, you apply it directly to dry hair before covering with a shower cap or microfiber towel and hitting the sheets. 

Shop It: $14.99; amazon.com

This leave-in spray hair mask (that's also applied on dry hair) is as low maintenance as you could ask for, and it's a gift from heaven for those with chronically color-treated hair and breakage. Use the bond-building, silk extract-infused formula overnight and wake up with ready-to-go strands. 

Shop It: $34; sephora.com

Yep, the antiaging train doesn't just stop at your skin. Another leave-in option that doesn't require rinsing, this splurge-worthy overnight serum works to strengthen and repair time-tested strands suffering from heat damage, color treatment, or run-of-the-mill dullness. 

Shop It: $40; sephora.com

Read through the comments on this hydration-heavy hair mask and see why those blessed with curls of all different curl patterns—from wavy to kinky—are loving this supercharged formula with various natural oils, baobob seed protein, and blue sage (to add glossiness). Cover with a cap before snoozing to minimize cleanup. 

Shop It: $28; sephora.com

Toying with the idea of hair masking doesn't have to break the bank, as per this dreamy beauty sleep mask that's 100% vegan and infused with collagen and hemp. Use weekly to give hair a boost of softness and shine. 

Shop It: $14; ulta.com

Split ends are no match for this super creamy mask that coats every strand in a camellia oil- and evening primrose-infused formula that works to repair any sort of damage in no time. For a quick reparative boost between overnight treatments, you can wash out after 20 minutes. 

Shop It: $49; ulta.com