Lanolin (Lanolin, E913) - kyalkyali. Ulu da ulu, kakin dabba da aka samo ta wankin ulu na tunkiya.
A viscous launin ruwan kasa-rawaya taro. Ya bambanta da sauran waxes tare da babban abun ciki na sterols (musamman, cholesterol). Lanolin yana da kyau shiga cikin fata kuma yana da tasiri mai laushi. Wannan kauri ne, danko mai hade da launin rawaya ko ruwan kasa-kasa-kasa, ƙamshi na musamman, yana narkewa a zazzabin 36-42 ° C.
Abun da ke cikin lanolin yana da matukar rikitarwa kuma har yanzu ba a yi cikakken nazari ba. Ainihin, shine cakuda esters na manyan kwayoyi masu maye (cholesterol, isocholesterol, da sauransu) tare da acid mai ƙanshi mafi girma (myristic, palmitic, cerotinic, da dai sauransu) da kuma masu shan kwaya mai kwayar cutar kyauta. Dangane da kaddarorin lanolin, yana kusa da sinadarin mutum.
A cikin maganganun sunadarai, ba shi da tasiri, tsaka tsaki kuma yana da karko yayin adanawa. Dukiyar da ta fi amfani da lanolin ita ce ikon emulsify har zuwa 180-200% (na nauyinta) ruwa, har zuwa 140% glycerol da kuma kusan 40% ethanol (70% maida hankali) don samar da emulsions na ruwa / mai. Ofarin karamin adadin lanolin ga mai da hydrocarbons yana ƙaruwa da ƙarfi don haɗuwa tare da ruwa da hanyoyin magance ruwa, wanda ya haifar da amfani da shi a cikin abubuwan da ke cikin tushen lipophilic-hydrophilic.
Ana amfani dashi ko'ina azaman ɓangare na kayan shafawa daban-daban-daban, da sauransu, a cikin magani ana amfani dashi azaman tushe don mayuka daban-daban, harma da taushin fata (haɗe shi da adadin vaseline daidai).
Akwai lanolin tsarkakakke, mai tsabta don mata masu shayarwa (sunayen kasuwanci: Purelan, Lansinoh). Ana amfani da shi kai-tsaye, lanolin yana taimakawa warkar da fasawar kan nono kuma yana hana fitowar su, kuma baya buƙatar flushing kafin ciyarwa (ba mai haɗari ga jarirai ba)