From an end-user perspective it's often very hard or impossible to detect spoofed SMS. This all depends on the configuration done by the various operators. As John mentioned, you might be able to tell it from the message-centre (SMSC addr), but again this is eg.
To choose the whitening toothpaste thatâs best for you, you should first know what whitening toothpaste actually is. This post about teeth whitening reviews the basics of âhow to get your teeth whiteâ and tips keep them white.
Also don't forget that you should always use a low abrasive toothpaste and to only use pea sized amount of toothpaste. It is imporant to understand that just by brushing before meals, you aren't leaving food to hang around on or between your teeth after a meal.