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If you've been chewing your cuticles every morning while watching the news, are predisposed to hangnails, and feel like every at-home manicure (no matter how many coats of polish you layer on) chips after one day, then you could probably use a little nail rehab.Luckily, you don't need to make a salon appointment — especially if you're still a little uncomfortable at the thought. All you need is to invest in a good nail strengthener. "Flaky nails are best treated with keratin-boosting products," explains Kerrie, a nail technician at the UK-based beauty-on-demand service Blow LTD.To help steer you through the sea of clear glass bottles, barely discernible from the base and top-coat polishes, we've broken down the best protein-rich formulas on the market, ahead. Scroll through to pick your favorite speed-recovery treatment, then take a deep breath before texting your mom back. At Refinery29, we’re here to help you navigate this overwhelming world of stuff. All of our market picks are independently selected and curated by the editorial team. If you buy something we link to on our site, Refinery29 may earn commission.Mischo Beauty Nail Elixir Cuticle OilSo, your hands and nails are chronically dry? You need a cuticle oil. This one doubles as a nail strengthener to fortify your entire nail plate — a win-win.Mischo Beauty Nail Elixir Cuticle Oil, $, available at Mischo BeautySuite Eleven First Things First Base CoatA single layer of this clear base coat repairs peeling nails, prevents cracking, and acts as a glue to any polish you sweep on top of it.Suite Eleven First Things First Base Coat, $, available at Suite ElevenNail Tek Intensive TherapyIf your nail beds are weak and soft, with little growth past your fingertips, this is an easy strengthening treatment to add to your next Amazon order.Nail Tek Intensive Therapy 2, $, available at AmazonOnyx Professional Hard As Hoof Nail Strengthening CreamThis viral $8 gem has racked up thousands of reviews and helps protect your delicate nails against chips, splits, and breakage.Onyx Professional Hard As Hoof Nail Strengthening Cream, $, available at AmazonJINsoon HyperRepairThe ingredient list for nail artist's Jin Soon Choi's new base coat reads more like a fancy skin serum: A trio of AHAs refine the nail surface, while a potent cocktail of vitamins B5, C, and E helps nourish and restore nails damaged by gels.JINsoon HyperRepair, $, available at JinSoonNails Inc. Nailkale Superfood Base CoatThis base coat — infused with keratin, aloe, vitamin E, and, of course, kale extract — is a $15 investment in hard, glossy nails for however long it takes you to drain the bottle. There's a reason the Sephora landing page has more than 230 glowing reviews.Nails Inc. Nailkale Superfood Base Coat, $, available at SephoraCND RESCUERXxThis professional nail treatment from CND uses the power of keratin proteins and moisturizing jojoba oil to magically lift those pesky white speckle bruises from your nails.CND Rescue RXx, $, available at Ulta BeautyChanel La Base Protective And SmoothingIf you're loyal to Chanel's signature glossy Le Vernis polish formula, you'll want to invest in La Base — a nourishing serum that smooths and safeguards nails with a blend of vitamin E and argan oil.Chanel La Base Protective And Smoothing, $, available at Violet GreyOPI Natural Nail StrengthenerIf you want a strength aid that you can pick up at your local CVS, this $10 OPI clear polish will help you grow your nails long and strong in just a few weeks. Simply paint a single layer on clean, dry nails weekly — maybe while you're binging Ginny & Georgia.OPI Natural Nail Strengthener, $, available at Ulta BeautyDior Nail Glow Nail EnhancerThink of this sheer pink Dior polish like a Lip Glow for your fingernails. Brush a light coat on bare nails, and watch as your pinks go pinker and whites go whiter for a your-nails-but-better effect.Dior Nail Glow Nail Enhancer, $, available at NordstromOrly BonderIf you're looking to give your nails a detox following a long string of acrylic manicures, this Orly Bonder acts as an invisible first coat of protection, strengthening brittle nails while extending the lifespan of your at-home manis.Orly Bonder, $, available at Ulta BeautyLike what you see? How about some more R29 goodness, right here?5 Trendy Spring Nail Polish Colors For A DIY ManiSaweetie Just Landed A Huge Beauty PartnershipUnlearning These 5 Bad Habits Transformed My Nails