Re: crest whitestrips
^^ lol yup...
Ok I just googled it and it said that it is not bad but just less effective if you have crossed the expiry date to few months. So I guess it is ok to use them. If you don't feel comfortable then just throw them.
Re: crest whitestrips
^^ lol yup...
Ok I just googled it and it said that it is not bad but just less effective if you have crossed the expiry date to few months. So I guess it is ok to use them. If you don't feel comfortable then just throw them.