NewsletterSign InSearchSearchNewsletterBest of BeautyNewsSkinMakeupHairNailsWellnessShoppingAllure Beauty BoxNewsletterVideoBeauty Product ReviewsLuseta Biotin & Collagen Hair Mask Nourishes Dry, Damaged HairThis once-a-week treatment gives brittle strands new life.By Allure EditorsNovember 17, 2025$36 at Luseta BeautySave StorySave this storySave StorySave this storyTL;DR: I have a confession: I only wash my hair… once a week. It’s not because I’m busy (read: lazy), but more so that I don't think my fine, flat hair needs it. Okay, maybe by day four or five, things start to get a little greasy at the roots, but I digress. That’s what dry shampoo is for. But when I do end up washing my hair (every Sunday night during my everything shower), I shampoo twice (lather, rinse, repeat) and then, instead of a traditional conditioner, I use a hair mask. Since I’m only conditioning once a week, I want to make the most out of it, you know?

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