Our rosemary hair oil contains castor seed oil, rosemary extract. It can effectively prevent hair loss and promote healthy hair roots. Improve root toughness, reduce hair breakage and hair loss, and keep hair thick. Its use method is very simple: 1. Take appropriate amount of this product evenly apply to the scalp. 2. Massage gently to promote better absorption. 3. Wait 30 minutes, then wash off. Deeply nourish hair follicles, provide adequate nutrition, and enhance hair quality. Relieve scalp discomfort, relieve itching and dryness.