Teeth Whitening Pen 1.CP: 17%,22%,35%,44% 2.FDA certified 3.Volume:2ml, 4ml etc 4.Safe & easy to use Teeth Whitening Pen Offer OEM service,Design service High Quality, good effect Teeth whitening pen CP: 17%, 22%, 35%, 44%HP: 6%, 12%, 14%, 16%FDA certifiedSafe & Easy to useOffer OEM service,Design service Same as sold by dentists for patient whitening maintenance!Tooth whitening pen is a tooth ...