Maganin haske ya wanzu tun lokacin da tsirrai da dabbobi suka kasance a duniya, domin dukkanmu muna amfana da hasken rana na halitta.
Ba wai kawai hasken UVB daga rana yana hulɗa da cholesterol a cikin fata don taimakawa wajen samar da bitamin D3 ba (ta haka yana da fa'idar cikakken jiki), amma ɓangaren ja na hasken da ake gani (600 – 1000nm) yana hulɗa da babban enzyme na metabolism a cikin mitochondria na ƙwayar halittarmu, yana ɗaga murfin damar samar da makamashinmu.
Maganin haske na zamani ya kasance tun ƙarshen shekarun 1800, ba da daɗewa ba bayan da wutar lantarki da hasken gida suka zama ruwan dare, lokacin da aka haifi Niels Ryberg Finsen a Tsibirin Faroe ya gwada haske a matsayin maganin cututtuka.
Daga baya Finsen ya ci gaba da lashe kyautar Nobel ta likitanci a shekarar 1903, shekara 1 kafin mutuwarsa, inda ya yi nasara sosai wajen magance cutar kuraje, lupus da sauran cututtukan fata da haske mai ƙarfi.
Maganin haske na farko ya ƙunshi amfani da kwararan fitila na gargajiya, kuma an yi bincike 10,000 a kan haske a cikin ƙarni na 20. Nazarin ya ƙunshi tasirin tsutsotsi, ko tsuntsaye, mata masu juna biyu, dawakai da kwari, ƙwayoyin cuta, shuke-shuke da sauransu. Sabon ci gaba shine gabatar da na'urorin LED da laser.
Yayin da ake samun ƙarin launuka a matsayin LEDs, kuma ingancin fasahar ya fara inganta, LEDs sun zama zaɓi mafi ma'ana da inganci don maganin haske, kuma shine matsayin masana'antu a yau, tare da ingantaccen aiki har yanzu yana inganta.