Loaʻa i ka ʻili maʻamau ka hiki ke omo i ka mālamalama e pale i nā ʻōkana a me nā ʻiʻo o ke kino mai ka pōʻino o ka mālamalama. ʻO ka hiki o ke kukui ke komo i loko o ke kino kanaka e pili pono ana i kona nalu a me ke ʻano o ka ʻiʻo ʻili. Ma keʻano laulā, ʻo ka pōkole o ka nalu, ʻo ka pāpaʻu o ke komo ʻana i loko o ka ʻili. Hoʻomoʻa ka ʻiʻo ʻili i ka mālamalama me ke koho maopopo. No ka laʻana, hiki i nā keratinocytes i loko o ka stratum corneum ke omo i ka nui o nā kukuna ultraviolet pōkole (ʻo ka nalu he 180 ~ 280 nm), a ʻo nā cell spinous i loko o ka papa spinous a me nā melanocytes i loko o ka papa basal e omo i nā kukuna ultraviolet lōʻihi (ʻo ka nalu he 320 nm ~ 400 nm). Hoʻomoʻa ka ʻiʻo ʻili i nā nalu like ʻole o ka mālamalama i kekahi ʻano ʻē aʻe, a ʻo ka hapa nui o nā kukuna ultraviolet e omo ʻia e ka epidermis. I ka piʻi ʻana o ka nalu, loli pū ke ʻano o ke komo ʻana o ka mālamalama. Komo nā kukuna infrared kokoke i ka mīkini kukui ʻulaʻula i loko o nā papa hohonu loa o ka ʻili, akā komo ʻia e ka ʻili. Komo maikaʻi ʻole ka infrared nalu lōʻihi (ʻo ka nalu he 15 ~ 400 μm), a komo ka hapa nui o ia mea e ka epidermis.
ʻO ka mea i luna aʻe ke kumu kumumanaʻo e pili ana i kamea kālailai ʻilihiki ke hoʻohana ʻia e ʻike i nā pilikia pigmentation ʻili hohonu. ʻO kamea kālailai ʻiliHoʻohana ka mea kālailai ʻili i nā spectra like ʻole (RGB, Cross-polarized light, Parallel-polarized light, UV light a me Wood's light) e hana i nā nalu like ʻole e ʻike ai i nā pilikia ʻili mai ka ʻili a i ka papa hohonu, no laila hiki ke ʻike ʻia nā wrinkles, nā aʻa kolo, nā pores nui, nā kiko ʻili, nā kiko hohonu, ka pigmentation, ka pigmentation, ka mumū, nā porphyrins a me nā pilikia ʻili ʻē aʻe e ka mea kālailai ʻili.
Ka manawa hoʻouna: ʻApelila-12-2022
