Ko te tūtohi PDT matua a Shanglaite mō te hauora me te whakaiti pātata kua hangaia i runga i ngā tikanga o te rongoā mā te maha o ngā momo otinga, e whai ana i te hunga whakaahungia iwi. E tūmomo ana te tūtohi PDT i ngā hiraga waiwhero, nō reira i ngā hiraga waiwhero me ngā hiraga āhua nei-IR, ka mahi tahi ki ngā photosensitizers i tārewa ki te kiri. I te wā ka whakaaetia te kākano māngaro i te wāhanga wai, ka puta mai ngā raruraru haerenga kimika, ka hainuku ai ngā momo ahurearea (ROS). Ko ēnei ROS ko ngā mahi rua hei whakaiti pātata. Tuatahi, ka whakahauhau ēnei ki te whakapuaki i te kōlājenā me ngā pūruhau elastin i roto i te tahuhu kiri. Ko te kōlājenā te tautoko whakaahua, ko te elastin te whakamahia hei whakatika i te kiri. Ki te whakatangataroa i te whakapuakitanga o ēnei pūruhau, ka pai ake te kiri, ka pai ake te whakanui, ka heke i te kitea i ngā pātata iti me ngā pātata. Tuatoru, ka noho āhua whakarawea ēnei ROS. Ka mate i te whakarawea mutunga kotahi, ka tukua e ia te huinga kiri me te whakapuakitanga o te kōlājenā me te elastin i waenganui i te wā. Ki te whakaiti i te whakarawea, ka tiakina e te tūtohi PDT te kōlājenā me te elastin e pa ana, ā, ka whakatipu anō hoki i ngā pūruhau hou. I runga i te whakahaere PDT, ka taea e ēnei tūtohi hoki te whakauru i ētahi atu momo rongoā. Hei tauira, kei roto i ētahi momo, ko te whakahaere microcurrent, ka taea tonu te whakatika i ngā kākano kanohi, ka whakapai i ngā kauwhata kanohi, ka whakaiti hoki i ngā tohu o te kiri kua heke e kitea ana i te wā e hoki ana ki ngā pātata. Mēnā ka noho āhei ētahi atu, ka kitea te rongoā mārō i ngā hiraga tuatahi, pērā i te waiwhero mō ngā take whakakotahi, hei whakapai i te kiri me te hauora, rānei ko te wairangi mō te whakanuitanga o te kiri, ka whakapai i te kitea o te kiri i waenganui. Ki te whakamahi i tana whakahaere maha, ka tuku ake te tūtohi PDT a Shanglaite hei whakatika pai mō te whakaiti pātata me te whakamātau i te kiri rangatira.