Umuyoboro wa glycerine uheruka, imbere ufite umurimo wo gukonjesha ubushyuhe bwo hejuru iyo dukoresheje ibyatsi byo gutwika.Intoki, 4 size ingano isanzwe.Umuyoboro wose ugizwe nibice bibiri, igikombe hamwe nigitoki. Biroroshye cyane koza kandi nuburyo bwiza bwo guha inshuti cyangwa umuvandimwe nkimpano yo kwizihiza.Urashobora kuyijyana hanze, kuyikoresha murugendo, cyangwa ukagira ibihe byiza murugo.