01 oriọna na-ehicha ezé eze...
Ngwá ọrụ na-acha ọcha D2BB bụ ụdị teknụzụ ọhụụ ọhụrụ, dabere na ọnọdụ nke Strong blue LED light and whitening kit accelerant.Site n'àgwà nke nanometerpellet n'elu na ìhè decomposition, rụọ ọrụ H2O2 kachasị na obere oge na obere okpomọkụ ma ọ bụ nkịtị. Mepụta uka oxygen atomy permeate ezé na decompose agba molekul, izute mmetụta nke ezé ọcha.