I nā makahiki i hala iho nei, ua loaʻa i ka lāʻau lapaʻau LED ke kaulana ma ke ʻano he lāʻau non-invasive a maikaʻi hoʻi no nā ʻano pilikia ʻili. ʻO kekahi o nā mea kaulana loa no kēia lāʻau lapaʻau ʻo ia ka PDT LED light therapy machine, i hoʻohana nui ʻia, e komo pū ana ma Kina. ʻIke ʻia hoʻi he photodynamic therapy (PDT), hoʻohana kēia biolight therapy i nā lōʻihi nalu o ke kukui LED e hoʻopaʻa i nā hopohopo ʻili like ʻole, e lilo ia i koho lapaʻau maʻamau a pono.