In Hinduism people wear tilak on their forehead. There is variety in tilak it could be sandal paste or chandan tilak, it could be kumkum that is made of red turmeric powder. Its a believe that a woman should put a kukum tilak on her forehead as that is for her husband’s long life. There is also a scientific reason behind tilak on forehead. Tilak is made up of chandan or turmeric powder and both of them are cool. There is Aajna chakra between eyebrows and applying tilak on that spot makes a cool effect and also good for memory. Tilak stimulates the gland and makes it more active. By putting tilak one can rise its third eye. It helps pran to come up.Put tilak of kumkum or sandalwood paste, remains of yajna.