Some "natural" ways of whitening teeth, such as brushing them with a strawberry and baking-soda mixture, do not actually whiten teeth, and may even weaken them, new research finds.
via LiveScience.com http://ift.tt/1svriZG
via LiveScience.com http://ift.tt/1svriZG
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου