Nowadays people more and more want to be as Hollywood stars with their perfect smiles. Who doesn’t? Beautiful smile makes people feel more confident and attractive. There are several different ways to make your smile looks better, from veneers to at-home/in-office whitening teeth. As veneers may cost a lot and can be not the best choice for everyone, there are other options as at-home (do-it-yourself) whitening or professional (in-office) teeth whitening. Teeth whitening is a