I have a few new chef jackets and I want to get the stains out and be able to wash them. Most of the jackets are white but then they have black collars. So what do I do? I'm going to try the Shout Ultra gel for the stains on the white part of the jacket... I just want to be able to through them in the wash afterwards so they smell fresh. I want to avoid the black dye from getting onto the white.