Sometimes it can be a bit risky to rely on advertising without knowing what people think about different products. The other day I used a brand that was completely new to me, with other words I knew nothing about it. It was a teeth whitening kit which I ordered from the internet. I do not really know why I chose it, I think I took the first one I came across. This is because I felt so desperate to whiten my teeth. I always felt a bit ashamed of my yellow teeth, and a while ago I found out that you can whiten your teeth yourself, cheap and effectively at home. Then I ordered one as soon as I could. Fortunately, the result was great and the product met all my requirements. However, I feel that I need to think about it the next time, it is probably very important to read the comments and responses before making a purchase.