Hydrogen peroxide may be added in the hopes of whitening teeth. Others add ingredients like chlorhexidine, an antimicrobial agent, meant to help fight gingivitis and periodontitis. While certain therapeutic mouthwashes can be helpful in certain situations, they may have side effects that make them ...
The FDA has approved using up to a 3% hydrogen peroxide solution as mouthwash. Using a higher concentration than that might irritate your mouth and may do more harm than good. Food grade hydrogen peroxide is usually sold highly concentrated around 35%. Thereforeit is crucial you dilute it dow...