In many parts of India, it is believed that kajal wards off evil spirits, which is why a small dot on children's heads is applied every morning—to protect them from the 'evil eye'. ... In modern times, the main purpose of kajal is to accentuate and add definition to the eyes.
The ‘Kajal’ is a very important ancient cosmetic for the eyes. It is an essential eye makeup which has been in tradition from the very olden days. Kajal ancient eye cosmetic is basically a cosmetic for women and girls. But in India it has always been used for infants and children as well. It’s also used on boys too in India. Even now, many tribal men are seen wearing kajal.