Health Uses for Hydrogen Peroxide Cleaning Cuts. 1/10. Pour it on a wound and watch the serious bubble action! ... Earwax. 2/10. Your doctor can tell for sure if your ear's clogged with it. ... Swollen Gums. 3/10. ... Canker Sores. 4/10. ... Whiten Teeth. 5/10. ... Hair Dye. 6/10. ... Acne. 7/10. ... Disinfectant. 8/10. More items... 20 Dec 2020