Camphor is used in ayurvedic medicine since ancient time. Camphor is burn to perform Aarti. Camphor has a unique place in the Hindu ritual of traditional Pooja or any other festive. It is pure white in colour, and when it is burnt it takes on the hue of agni (fire), and it burns itself out completely, without residue. Lighting camphor before God symbolizes that if we burn our illusion or ego with the fire of true knowledge.