Formulated with Rice Tein NPNF ®, clinically proven to increase hair volume and improve appearance of natural shine in just 5 washes 1 Rice Tein NPNF ® has been shown to increase hair volume by 20% after 5 washes 1 Conditions & encourages overall hair length & density 2 Why You'll Love This: Boosts shine in dull, dry hair Free of parabens, phthalates, silicones, & sulfates PH balanced and safe for color-treated hair Sustainable, eco-friendly bar format 1 Bar lasts up to 100 washes3, helping reduce single-use plastic Made in the USA 4OCEAN CERTIFIED: For every shampoo or conditioner bar, 4ocean pulls the equivalent of one shampoo bottle’s worth of plastic from the world's oceans, rivers, and coastlines 1 All trademarked ingredients referenced under license; copy points reflect the supplier-approved claims. 3 When using 0.027 oz per wash Packaging received may vary from packaging shown.