Concerning this item Conditioning & Strength to the Core: Nutritious Biotin is infused into our Difeel Rosemary & Mint Strengthening Root Stimulator. Your skin, nails, and hair all benefit from adequate biotin levels. Hair loss may be caused by low biotin levels. For Fuller, Denser, and Stronger Hair—Our Strengthening Root Stimulator is designed to specifically target the root to promote overall manageability, shine, and increased growth. strengthens and grows hair overall by repairing dry and damaged hair. Invigorating Formula: This masterfully blended formula works deep down to deliver intense moisture and shine, and the addition of biotin promotes healthy hair growth. Mint oil that stimulates hair growth from the roots up; sulfate-free, paraben-free, phthalate-free, and color-safe Growth of Rosemary Hair