Our Biotin essential oil contains mineral oil, hydrogenated castor oil and rosemary leaf oil. 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 method is very simple: take appropriate amount of this product evenly apply to the hair, gently massage until completely absorbed. It can deeply awaken dormant hair follicles, promote the growth of new hair, strengthen hair roots, and make hair healthier and thicker.