It's safe for most fabrics (no chlorine or phosphate). A few drops removes just about any stain. Add directly onto a stain, work it in, wait a few minutes and then wash as directed. It's safe for most fabrics and environmentally safe (non-toxic, no chlorine or phosphates). Grandma's Secret Spot Remover removes just about anything—grass stains, oil, grease, paint, tomato sauce.