Natural dyes have become boon for textile industry after the side effects of synthetic dyes. It was found in different parts of world during 2500–3500 BC. Unlike synthetic dyes it doesn't pollute the environment as well the physical, mental and motor health of human beings. There are different type of natural dyes classified on the basis of origin, application, chemical compounds present in it etc. the dye doesn't fix to the fabric directly, that is why mordants are required to attach the dye to the cloth. Many types of mordants are used, for example-Metallic mordants, Oil mordants, and tannins. This paper reviewed about different sources of natural dyes, their shades, comparison with synthetic dyes and some of the past works of natural dyes on textile.
Natural dyes, synthetic dyes, human being health, textile, environment, mordants
