Hydrogen peroxide + vinegar ingredients are said to be completely nontoxic and was actually developed by a food scientist to disinfect fruits and vegetables. It has been used in sanitizing and counterboards and food preparation surfaces.
Hydrogen peroxide is also said to be much safer than bleach. According to some studies, it produced carcinogenic effects on mice but at a lesser concentration, it is less likely to cause carcinogenic effects on humans but can be potentially carcinogenic based on the fact that it showed carcinogenic effect on animal.
As mentioned in different literaturws, at a lower concentration(3% ) it safer to use than the bleach. Mixing it with a vinegar as a sanitizer is increasing its popularity as well.