Color Remover can remove dyes and stains as well as whiten any natural fabric, rayon and some nylons. It does not work on polyester. Color Remover requires high heat, which may be problematic for wool. It is not bleach. It can also be used for discharge techniques. Notes: When removing dyes, the fabric color does not always come out white. A completely different color may result. Always test first. Utensils and pot used for color remover should not be used for food. WARNING: HARMFUL IF SWALLOWED. Give water of milk if swallowed and call a physician. Avoid contact with eyes. Keep out of reach of children. Do not expose to excessive heat. This package contains Jacquard Color Remover, One Pound. Made in the USA.