The most common cultivar of pumpkin grown specifically for its seeds is the Styrian pumpkin, which yields the small, smooth green seeds sold in grocery stores. Styrian pumpkin seeds are ideal for eating because they are rich in oil and naturally hull-less.
Carbamide peroxide (also known as urea peroxide) is the most popular over-the-counter and professional bleaching agent used for teeth whitening. The main and active ingredient in carbamide peroxide is hydrogen peroxide.arbamide peroxide (also known as urea peroxide) is the most popular over-the-counter and professional bleaching agent used for teeth whitening. The main and active ingredient in carbamide peroxide is hydrogen peroxide.
Hydrogen peroxide is a highly reactive chemical containing hydrogen and oxygen. It is used mainly in the production of other chemicals and to bleach paper and textiles. Moreover, contact lenses can be disinfected with highly diluted hydrogen peroxide.. 4.1 Toothpastes and mouth rinses may also contain low concentrations of hydrogen peroxide as a disinfectant to prevent plaque and inflammation of the gums. Studies have shown that hydrogen peroxide from toothpastes or mouth rinses is rapidly broken down in the mouth by the saliva, but some of it is swallowed.