OUAI Fine Hair Shampoo (Thickening shampoo)

Characteristics Country of origin USA Purpose Adds weightless body, boosts volume and bounce at the roots, gently cleanses fine hair without stripping, strengthens strands Hair type All hair types, fine, flat, limp hair Active ingredients Biotin, Hydrolyzed Keratin, Chia Seed Oil, Panthenol, Hemp Seed Extract Description Thickening shampoo by OUAI (Fine Hair Shampoo), 10 fl. oz. / 300 ml It is a lightweight, sulfate-free formula designed to invigorate fine or flat hair with lift and vitality. Enriched with biotin, hydrolyzed keratin, and chia seed oil, it strengthens the hair shaft, smooths frizz, and provides subtle nourishment without weighing hair down. The addition of panthenol and hemp seed extract helps hydrate and support hair health, leaving strands clean, glossy, and full of bounce. Its distinctive Mercer Street fragrance layers notes of Italian lemon, Turkish rose, jasmine sambac, iris, lily, and white musk for a sensorial wash. Celebrated as one of the best lightweight volumizing shampoos for fine hair, it delivers root-lift and visible bounce immediately after the first wash.