In order to create 3% Food-Grade Hydrogen Peroxide (FG H2O2), full-strength 35% FG H2O2 is combined with our own distilled water to a secure level of 3%, we completely balance everything out. Please do your research and always apply safety precautions when using our product, 3% FG H2O2, as it can be used for a variety of applications. Warning: Just for external use, please. Keep away from the skin. When white spots appear, wash the affected area with water and wait for them to disappear (may take some time). Retain at room temperature and keep away from bright light. This product will lose 0.5% of its strength annually if it is stored properly.