Incredible dye fixative for most cotton fabrics and fabrics dyed with Procion H and MX dyes. Greatly diminishes or stops bleeding of colored fabrics. Use with new clothing or on new fabrics to assure safe future washing. Also use after tie-dyeing or steam setting silk items to assure that the colours are permanently fixed. We've actually finding good results with indigo and many other dyes too. Test before using with these dyes. Estimate amount of water needed to cover cotton fabric. Fill sink or bucket to this level with HOT (160oF) water. Add 1 teaspoon Raycafix per yard of fabric. Soak for 5 minutes. DO NOT AGITATE! use cool water to rinse and dry at once. After fabric has been treated with Raycafix, subsequent laundering should be with warm water. Wear gloves during use. May be harmful if swallowed. Potential eye irritant and may burn skin. Contains Methyl Alcohol. Splashes should be flushed with water. Consult physician if irritation persists. Keep out of reach of children.