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What it is: An overnight bond-strengthening treatment that helps “restore tired, overworked hair,” according to the brand.
Moringa seed oil provides softness and shine, while Arginine (a naturally occurring amino acid) protects and rebuilds the strands. A proprietary SmartRelease Technology “continually releases” hair-benefiting ingredients, including rose hip oil to protect and soothe damaged strands.
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Beauty Bar: Joico Defy Damage Sleepover Back to video
The Overnight Nourishing Treatment boasts a “relaxing scent” blend featuring lavender, freesia, honeysuckle and tiara flower to promote relaxation.
What we say: Better hair during sleep? The idea was alluring to our tester, who struggles with dry, frizz-prone hair.