Hydrogen peroxide ( H2O2 π»2π2) is a powerful oxidizing agent that kills a broad spectrum of microorganisms by destroying their cell membranes, DNA, and essential cellular components.
Hydrogen peroxide is another antiseptic, or disinfectant, that kills viruses and various forms of bacteria. But it needs more time than rubbing alcohol to kill germs. It takes up to five minutes to do its job. Hydrogen peroxide also can kill the virus causing COVID.
Hydrogen peroxide is no longer recommended for cleaning cuts, scrapes, and open wounds. While it kills bacteria, it is not specific and also destroys healthy skin cells and tissue essential for healing. Additionally, it should not be used for acne, as it can dry out and irritate the skin.
Hydrogen peroxide is sometimes used in medical settings for the treatment of warts, but it is typically applied by healthcare professionals in specific concentrations. Warts are caused by the human papillomavirus (HPV), and while various over-the-counter and clinical treatments exist, using household chemicals for self-treatment requires caution to avoid damaging healthy skin.
Hydrogen peroxide
However, according to a 2017 article in Clinical Microbiology Reviews, research has not proven this is the case. Participants in the study used hydrogen peroxide douches, but these didn't treat their infection. Also, hydrogen peroxide has the potential to irritate delicate vaginal or penile tissues.
Douching with hydrogen peroxide can cause vaginal irritation, and douching in general while you have BV can spread the infection further up your urinary tract. If you think you have BV, make an appointment so you can get started on antibiotics.
Trichomoniasis, a common sexually transmitted infection (STI), is caused by a single-celled parasite called Trichomonas vaginalis. It cannot be cured without medication.
Because warts are caused by the human papillomavirus (HPV), which lives inside the skin cells, no treatment is 100% guaranteed to prevent them from ever returning. However, the fastest and most permanent ways to eradicate them involve destroying the tissue while triggering your immune system to fight the underlying virus.
Applying hydrogen peroxide to a fungal infection can temporarily kill surface fungi and cleanse the area, but it is rarely an effective standalone treatment. Because it acts as an oxidizing agent, it breaks down cell walls and releases oxygen (causing bubbling), which eliminates surface microbes.
HPV is highly resistant to drying, heat, and many standard household disinfectants. To effectively clean it off surfaces, use a diluted bleach solution (1 part bleach to 10 parts water) or 90% ethanol. Let the solution sit for at least 5 to 10 minutes before rinsing or air drying.
Never mix hydrogen peroxide with vinegar, chlorine bleach, ammonia, or rubbing alcohol. Combining these household chemicals can trigger dangerous, exothermic reactions that create highly toxic, corrosive, or explosive compounds.
The strongest natural disinfectants for home use are 3% hydrogen peroxide, thymol (from thyme oil), and electrolyzed water, which can kill 99.9% of germs, including viruses and bacteria. Hydrogen peroxide is considered one of the most effective, especially when paired separately with vinegar to tackle stubborn pathogens like E. coli and Salmonella.
Health Uses for Hydrogen Peroxide
Hydrogen peroxide is a potent, broad-spectrum virucidal agent. When used as a hard-surface disinfectant at concentrations between 0.5% and 3%, it efficiently destroys the structural components of both enveloped and non-enveloped viruses, causing them to become inactive.
Bacteria inside the body are primarily killed by the immune system and antibiotics. Your body relies on specialized white blood cells to hunt invaders, while antibiotics are introduced to either destroy bacterial cell walls or stop them from multiplying.
βIt also irritates the skin and causes redness and inflammation.β Not only is it unsafe, but β when it comes to acne β it's also the wrong tool for the job. Yes, hydrogen peroxide kills bacteria, but as Stein puts it, βThere are many other causes of acne and pathways that we have to target when treating it.β
Soaking your feet in a diluted hydrogen peroxide mixture can help soften calluses, reduce foot odor, and kill surface bacteria. While it is a popular home remedy for minor foot issues, it can severely dry out and irritate your skin if overused.
Toenail fungus is famously stubborn, and no treatment guarantees it won't ever return. However, the most effective permanent solutions rely on medical intervention to kill the fungus at its source:
Hydrogen peroxide is better for non-porous surfaces, while vinegar works well on porous materials. Choose based on the type of surface you're treating for effective mold removal.
Duct tape is thought to remove warts by irritating the skin and trapping moisture, which forces your immune system to notice and attack the underlying HPV virus. While it isn't an overnight fix, it works through a few combined mechanisms:
In our study, patients with warts had significantly lower mean serum vitamin B12 level than patients without warts.
Wart and verruca creams and gels
If you see a GP about a wart or verruca, they will usually suggest this first too. Many of these treatments contain an ingredient called salicylic acid. This is a chemical that helps to break down the skin on your wart or verruca. This triggers your immune system to clear the virus.
HIV (Human Immunodeficiency Virus) is considered the hardest sexually transmitted disease (STD) to get rid of because there is currently no cure. Once infected, the virus integrates into the body's DNA, meaning it stays in the body for life.
In men, trichomoniasis can cause a foul-smelling or musty odor from the penis, but up to 70% of infected men experience no symptoms at all. When symptoms do appear, the smell is usually accompanied by penile discharge.
Not necessarily. While trichomoniasis is a sexually transmitted infection (STI), a positive test does not automatically mean your partner cheated.