So, before we get in the top picks for best whitening products available in the market, here is what you want to know before you know how whiten teeth at your home. The conventional teeth whitening toothpaste work by using the abrasive known as silica to scrape the stains off of your teeth, thus ‘whitened’ result, and not by the actual bleaching. Look for the pastes that have peroxide in case you want the real results. Suppose you wish to make the teeth white very fast, then strips are the highly effective teeth whiteners, as an active ingredient will be left on your teeth for the extended time frame. Teeth whitening or bleaching has become more popular in recent years.