Pure Cashew Nut Oil (Anacardium occidentale) Cashew Nut Oil also helps in improving your skin complexion. Being rich in Vitamin E, it plays a vital role in anti-aging mechanism.It helps in maintaining healthy and strong bones and teeth. It helps prevent premature greying of hair by providing the hair and skin an important pigment known asmelanin. It also aids in providing good sleep to women who are in their menopausal stage. Cashew Nut Oil has an abundance of vitamins, which includes vitamins A, D, and E.