Cnidaria are diploblastic animals; in other words, they have two main cell layers, while more complex animals are triploblasts having three main layers. The two main cell layers of cnidarians form epithelia that are mostly one cell thick, and are attached to a fibrous basement membrane, which they secrete.
Castor oil is known to help keep split ends under control when used as a conditioning treatment. This is due to the many nutrients contained in castor oil, including vitamin E, omega-6 fatty acids, and essential amino acids that can help to penetrate dry and damaged hair.
Castor oil- This natural oil must be thoroughly massaged on the thin eyebrows before hitting the bed for catching sleep. The oil counters medical conditions like eczema which hampers hair growth in eyebrows. Massaging the brows with this oil triggers the hair follicles to renew the hair growth.