Concentrate on your scalp. Placing a coat of rosemary oil on your hair isn’t about to do something aside from providing you with a greasy glance. “You would like to apply it into the scalp as a treatment,” instructs Dr. Khetarpal. “Definitely deal with working it in.” Decreases scalp irritation: 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/