“…[35,36] Lip prints can be made using several substances, such as aluminium powder, silver metallic powder, silver nitrate powder, plumb carbonate powder, fat black aniline dyer or cobalt oxide. [33,37,38] All lip prints contain lipids which make their development possible by using lysochromes dyes (Sudan III, Oil Red O, Sudan Black). Plumb carbonate is a white powder which can be used as a developer with a brush, over smooth, polished, metallic or plastic surfaces.…”