Ifu y'ibishishwa yerekeza ku ifu ikorwa no gusya no gusya ibishishwa. 95% by'ibiyigize ni karubone karubone, chitin, hamwe n'ingano nto ya aside amine na polisaccharide. Ishobora gukoreshwa nk'ibikoresho byo mu rwego rwo hejuru mu biribwa, mu kwisiga no mu mitako y'imbere, kandi ikoreshwa mu matungo n'inkoko. Inyongera za karubone n'ibiribwa, gutunganya imitako, imiti igabanya ubushyuhe, nibindi.