Our Rosemary Black Castor Batana oil contains rosemary leaf oil, castor seed oil, and Batana oil. It can help improve the elasticity of the skin and hair and reduce hair breakage and cracking. Its application method is very simple: 1. Scalp application method: After washing and drying the hair, apply appropriate amount of this product evenly on the scalp with the attached hair brush, gently massage to promote absorption. 2. Usage: After cleansing, apply appropriate amount of the product evenly on the body skin, gently massage around the skin to promote absorption. 3. When using on nails, keep nails and surrounding skin dry. Apply appropriate amount of this product evenly on nails and surrounding skin with the attached brush until absorbed. Contains a variety of nutrients to help moisturize dry scalp, skin and nails, making them healthier and more radiant.