Prewash stain remover: a liquid, gel or solid product that is usually applied several minutes (but sometimes up to one week) before laundering

Prewash enzyme soak: a product specially formulated for protein stains like blood and egg

Non-flammable stain remover: an evaporative liquid that is designed to be directly applied to a fabric before laundering.

2torial #0513: Learn2 Remove a Stain (Continued) Limit the Damage   Once you've accurately determined which stain is on what kind of fabric, act quickly. Find the kind of stain you're treating below and follow the first step, i.e. blot up the excess, scrape off the solids, etc. What you do first often decides if what you do next will work.     Step 2