At-home teeth bleaching products typically contain 5 to 10% hydrogen peroxide or 35% carbamide peroxide. You’ll wear them for 10 to 30 minutes over multiple days. Use a toothbrush to rub the paste directly on your teeth in small circles before leaving it on for two minutes

NewMouth doesn't recommend DIY teeth whitening. These methods can be effective if done correctly. However, there is a much higher risk of adverse effects. Walsh, L. “ Safety issues relating to the use of hydrogen peroxide in dentistry. ” Australian Dental Journal, John Wiley & Sons, Inc., 2008. Carbamide peroxide (CP) is a water-soluble, white crystalline solid compound. It is made of carbamide, also known as urea, and hydrogen peroxide. Hossainian et al. “ The effects of hydrogen peroxide mouthwashes on the prevention of plaque and gingival inflammation: a systematic review .” International Journal of Dental Hygiene, Wiley Online Library, 2011. Basting et al. “ Clinical Comparative Study of the Effectiveness of and Tooth Sensitivity to 10% and 20% Carbamide Peroxide Home-Use and 35% and 38% Hydrogen Peroxide In-Office Bleaching Materials Containing Desensitizing Agents .” Operative Dentistry, Allen Press, 2012.Small amounts are formed by electrolysis, photochemistry, and electric arc, and related methods. [33]

A mild dose of hydrogen peroxide spray can be your plants’ best friend. The extra oxygen atom in H₂O₂ can benefit the growth process and can also help prevent conditions such as fungus and root rot. For mature houseplants, mix 1 tablespoon of 3-percent hydrogen peroxide and 1 cup of water in a spray bottle and soak the soil after it has dried. Make sure the soil dries completely before applying it again. It can help some with plants that appear to have fungal diseases or are on their way to root rot, but take a look at the plants’ growing conditions and correct other problems like compacted soil, overwatering, and poor air circulation as well. Muniz FWMG, Cavagni J, Langa GPJ, et al. A systematic review of the effect of oral rinsing with H2O2 on clinical and microbiological parameters related to plaque, gingivitis, and microbes. Int J Dent. 2020;2020:8841722. doi:10.1155/2020/8841722

Swallowing a higher concentration of hydrogen peroxide can cause severe stomach irritation and burns that require urgent medical care. Hydrogen Peroxide Paste