Another pinner said-"My pediatrician told me about this years ago! It really does work. Magic Mouthwash: Remedy for Sore Throats and Mouth Sores. This seriously is a miracle for even the worst cankers. My kids love it."
DIY:: After much research, trial & error, & comparisons--Finally Perfected Home-made Chalk Paint Recipe !!! (This (Susan's) recipe - I now use for everything & I can't tell any difference in it with the expensive Annie Sloan brand)