3 in1 Rosemary black castor batana oil Shampoo is specially made from a unique blend of three essential oils - rosemary, castor oil, batana oil with biotin and is designed to promote hair growth, nourish a healthy scalp and regenerate hair, providing you with a comprehensive hair care solution . Usage: 1. Take an appropriate amount of natural rosemary shampoo and apply it to your hands 2. Massage into wet hair to create a rich lather 3. For best results, leave rosemary shampoo on for 1-2 minutes before rinsing hair thoroughly.