PRO BIO FIBERBOND PRO BIO FIBERBOND WITH BIOACTIVE GLASS POWDER Our new PRO BIO Fiberbond contains finest fiberglass fibers and bioactive glass powder - both of which help the UV gel to be enormously resistant. The fiberglass fibers repair small irregularities and grooves in the natural nail and thus create a stable base and perfect adhesion. go to product HEMA UND DI-HEMA TRIMETHYLHEXYL DICARBAMATE free