The model suggests applying two to 3 drops in the oil to damp or dry hair, daily or as wanted, and leaving it on. As well as applying it to your scalp to advertise hair growth, You can utilize it on the lengths of your hair to reinforce your strands, https://allhealthmarket.com/product/health-and-beauty-2/hair-care/5-10-15-20pcs-biotin-fast-oil-hair-serum-baldness-hair-thinning-regrowth-treatment-liquid-anti-hair-loss-for-women-men/