Noocani waxa uu samayn karaa qaadashada daawada iyo buuxinta wok. Sababtoo ah naqshadeynta xirfadeed ee gaarka ah, sidaas darteed waxay ku habboon tahay walxaha dareeraha ah ama dareeraha hooseeya, sida condimentm smetic, budada qaxwaha, cabitaanka adag, daawooyinka xoolaha, dextrose, daawooyinka, wax lagu daro budada, budada talcum, sunta cayayaanka beeraha, dyestuff iyo wixii la mid ah. .