R+Co's Dallas Biotin Thickening Shampoo transforms fine, limp hair into thick, full tresses. Enriched with Biotin and Pro Vitamin B5, it strengthens and volumizes for a healthy, natural shine.Free from gluten, nuts, parabens, and other harsh chemicals, this vegan and cruelty-free formula features saw palmetto berry extract and coconut oil to prevent breakage. Suitable for all hair types, it revitalizes locks with volume and vitality, while the sophisticated Dark Waves scent adds a touch of elegance with its notes of cardamom, pineapple, and lavender. Size:8.5oz