croton mai shine mai ƙarfi mai ƙarfi da mai haushi wanda aka samo daga tsaba na shuka croton tiglium. An samo ta da latsa tsaba kuma an san shi da karfi na cathartics. Man ya ƙunshi abubuwa daban-daban masu aiki, gami da acid na phoroleic, da sauran abubuwa masu ban sha'awa a cikin maganin gargajiya don dalilai daban-daban, kamar su Bi da yanayin fata kamar zobeworm da scabies. Hakanan an yi amfani dashi azaman mai taurin kai, ma'ana ana amfani dashi a waje don haifar da haushi da kumburi don sauƙaƙe cewa mai crotonin yana da guba sosai kuma zai iya zama haɗari idan an yi amfani da shi ba daidai ba. Yakamata a yi amfani da shi ne kawai a ƙarƙashin jagorancin ƙwararren ƙwararren ƙwararren likita.