Rosemary oil might be inhaled or applied topically. It’s very concentrated, which means you should only use a couple of drops at any given time. The compact bottles in which it’s sold comprise plastic droppers that make it much easier to dispense single droplets. One reviewer claims: "It really does 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/