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After a summer’s worth of sun, salt water and chlorine, your strands are bound to feel like straw. Rejuvenate them with this amino acid–rich hair mask from seaweed-centric beauty brand Repêchage. Your stylist will blend the self-heating mixture at the shampoo station and apply it to freshly cleansed locks, wrapping them in insulating Mylar and letting the solution sit for ten minutes before washing it out. A shine-enhancing serum—one of two products, along with a nourishing avocado oil-infused treatment, designed to help you maintain the benefits at home—is worked through damp tresses before your blowout ($45–$65), although the salon will also give you a gratis braid or bun should you wish to avoid the added cost. Either way, you’ll leave with locks that feel stronger, look smoother and impart lots of shine. Repêchage Hydra-Amino 18 Hair Spa thermal seaweed mask, $55; Hydra-Amino 18 Hair Spa serum, $50; and Hydra-Amino 18 Hair Spa seaweed mask, $55; all at Lovella Salon, 111 W 72nd St between Columbus and Amsterdam Aves (212-988-7766) • 1296 Second Ave at 68th St (212-570-4441)
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