For example, if you need the convenience of an on-the-go whitener
, check out some teeth whitening pens, such as the Extreme Whitener. If you need a drastic change in your smile, try out a teeth whitening gel. There are a host of different teeth whiteners out there, that don't involve deadly acids or human urine! If you have any questions about the safety of a teeth whitener, or any in-depth questions about which is the best for you, then ask your dentist or healthcare provider.