SCIENCE-BACKED HAIRCARE: Our Nexxus collections were formulated by our team of experts using protein science to identify the precise solutions your hair needs to bring it back to life. UNBREAKABLE CARE™ THICKENING SPRAY FOR THIN HAIR: Designed specially for fine and thin hair, this root thickening spray lifts roots, visibly thickens strands, and protects hair from heat and breakage.
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