Our biotin hair care balls contain glycerin, panthenol and PCA sodium. It can prevent hair loss and juvenile white hair common in modern people, supplement biotin, repair premature white hair due to low levels of biotin, nourish and protect hair, but also improve the health of hair follicles, promote hair growth, reduce hair dryness, increase gloss, and make hair smoother and more beautiful. Its use is simple: roll the product evenly through the hair and gently massage until it is completely absorbed. It can deeply awaken dormant hair follicles, promote the growth of new hair, strengthen hair roots, and make hair healthier and thicker.