Strengthen and revitalize your hair from the roots with DIFEEL Biotin Root Stimulator Pro-Growth. This concentrated 2.5 oz formula is designed to nourish the scalp and hair follicles, promoting healthier, fuller-looking growth. Biotin works to fortify each strand while stimulating the root area for improved thickness and resilience. Perfect for those seeking to enhance hair vitality and combat thinning. Apply directly to the scalp and massage gently for best results. Ideal for all hair types.