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Frizzy hair needs special treatment to control flyaways. Cue this salon product serum, designed to hydrate and heal even the most brittle and frizzy strands to create a sleek, shiny, healthy hair look. Inspired by nature's water-resistant camellia, Biolage SmoothProof Serum is an advanced hair oil for frizzy hair that provides humidity control and anti-frizz smoothness even in 97% humidity, giving you perfectly smooth hair for up to 72 hours.
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