(2008 originally published) Chlorine dioxide oxidizes and neutralizes free radicals and cytokines. Ingredients in some of Frontier's 20 CD products include catalysts that cause CD to release immediately, wetting agents, etc. Use high concentrations for: removing scars, tooth whitening, horse hoof fungal thrush, nail fungus (400 ppm). Fairly high: wart removal (200 ppm)--[Comment: Could possibly get FDA approval by listing salicylic acid as the active ingredient, & then also including sodium chlorite and lactic acid activator??] (****Includes urea as a wetting agent to help get into skin****). Medium: itchy scalp fungus. Low concentrations: gynegel against STDs (not FDA approved at that time), acne. Other uses: kill yeast in dogs' ears, canker sores, pet shampoo, exfoliant for women's faces, skin protectant including glycerin for men's hands (callouses, scratches), topical that removes pain of sunburn by oxidizing free radicals & cytokines; vaginal disinfectant, cosmesis, sinus flush that quickly relieves rhino colds and acts more slowly on flu; mouth rinse. Toothpaste kills bacteria faster & oxidizes their sulfur compounds & odors, treats periodontal disease, removes biofilm, & whitens enamel. *****!!!**** Treats Raynaud's Syndrome by opening up blood vessels in hands. Did some testing of intravenous injection of monkey for HIV, but dosed too high so killed too much of red blood cells." "When *chlorine* oxidizes organic compounds, it adds a chlorine atom, making the compound carcinogenic and irritating. Chlorine dioxide doesn't."