Remember how your grandmother would coax you to use shikakai on your hair on weekends and youâd balk at the idea of doing something so old-fashioned? Youâd be amazed to know that this ancient hair beauty treatment is making a comeback. Well it wasnât really gone in the first place; just had lesser takers. One of the most commonly-used natural ingredients this plant has been used as a hair cleanser in most parts of India since time immemorial. Shikakai contains vitamin C and D along with other properties that make it ideal for hair care.