Improving the wash Fastness of Annatto Natural Dye with Dye Fixing Agents on Cotton Fully Eco-Friendly Fixing Agents

ABSTRACT In this article, we review how to improve the colour fastness properties of natural dyes, with 5 dye fixing agents. Eco-friendly mordants, such as alum, stannous chloride and ferrous sulphate are used. Annatto dye is selected because; this source produces fugitive colors on cotton. A pre-treatment with myrobalan has been given, for better dye uptake. After dyeing, the sample is post treated with 5 dye fixing agents such as alum, ammonia, lime juice and calcium chloride, for better colourfastness of natural dyes on cotton.