Hair Growth Oil Hair growth oil is a must-have for those seeking long, thick, and healthy hair. Packed with natural ingredients like castor oil, coconut oil, rosemary, and amla, it works to stimulate hair follicles and boost blood circulation to the scalp. Regular application can reduce hair fall, improve thickness, and even encourage the regrowth of lost hair. The oil penetrates deep into the scalp, delivering essential nutrients and hydration that promote growth from the root up.