ʻO ka pale a me nā koho kūlohelohe

Na ka UV hihiu ke kuleana no ka hoʻohuihuiʻana o ka vitamin D i loko o ka ʻili, ma kahi, e hoʻāla i ka lā sunbath. Akā i loko o nā makahiki 1930er kekahi i maopopo i ka pōʻino o ka radiation hihiu nui. Ua hoʻopiʻi ʻo 1933 i kahi mea kuʻuna no ka drugofa GmbH, kahi ʻoihana Bayer, no kahi huahana i kapa ʻia ʻo Delial. ʻO ka māmā o ka lā o ka lālani me ka pale o ka pale, UV, ka hānau mua o ka lā. ʻO nā ʻemena, nā wai a iʻa paha iʻa i keli ʻia i ka lā i ka makahiki 1980 ua loaʻa i ka nui. Kii koke nā mea āpau i kamaʻilio e pili ana i ka lua ozone a me ka palekana o ka lā i nā huahana like ʻole.

ʻO nā huahana me kahi hōʻailona UVA e hōʻoia i ka palena o ka pale o ka UVA ma kahi o ka hapakolu o ke kumu palekana UVB. Pili ʻia ke kumu palekana o ka lā i ka pale ʻana i nā hihi UVB, ʻohi pinepine ʻo UVA i ka nānā. ʻO kahi hōʻailona UVA kahi alakaʻi kūpono i ka wā e koho pono ai i ka sunscreen kūpono.

Kāohi: UV radiation

Ma kahi o kona mālamalama ʻike ʻia, aia ka lā o ka radiation UVA i ka lōʻihi, ka pona o ka UVB pōkole a me ka radiation UVC, ʻaʻole e kipa i ka honua ma muli o ke kuli ozone. Na ka UV hihiu e waiho i ka ʻili o ka ʻili. ʻO kēia kaʻina ka hopena pale. Aia ka epidermis i nā sela pigment-form, ka melanocytes, kahi melanin pigment brown e pale aku i ka ʻili mai ka lā o ka lā. Inā nui aku ka UVB i ka ʻeha i mālama ʻole ʻia, aia kahi hopena maʻi e like me ke puhi ʻana o ka lā. Akā ʻo ka līlī UVA lōʻihi ka lōʻihi, ʻaʻole ia he meaʻino ʻole. Hoʻomoana lākou i ka hohonu i loko o ka ʻili a hōʻino i ka kolag o ka ʻili, e alakaʻi ana i ka hōʻemi o ka elasticity kino a pēlā pū kekahi i ka wā kahiko a me ka mauʻu.

ʻO nā kaʻao UV e pili ana i ka pale umauma

Hoʻomaopopo ka lōʻihi o ka noi o ka lā i ka wā pale?
ʻAʻole, ʻaʻole i hoʻonuiʻia ka pale, akā mālama ʻia. No ka laʻana, ʻo ka mea e loaʻa ka ʻulaʻula ʻulaʻula i ka lā i mālama ʻole ʻia ma hope o ʻumi mau minuke e hiki iā lākou ke noho i ka lā no kahi mau hola ʻelima me kahi e mālama ʻia ai ka lā 30.

Pono anei ʻo Blondes i kahi mea e pale aku ai ka lā ma mua o ka lauoho?
ʻAʻole, no ka mea, ʻaʻole ia ka hulu lauoho ka mea nui nui, akā ke ʻano o ka ʻili.

Kahi ʻia ka ili, ʻaʻole ʻoe e ʻike hou i ka lā?
Ke kīpole mau ka ʻaila. ʻAʻole lilo ka ʻili i ka lā a mau i ka lā a hoʻopoina ʻole i ka pōʻino o ka lā.

Me ka ʻulaʻula mua ua lawa ia e hele no kekahi mau hola ma ka malu? ʻAʻole, ua paʻa loa. Ua hiki i kahi lā wela ke kiʻekiʻe o ka lā ma hope o nā hola 24.

Mālama ka solarium i ka mālama ʻana i ka lā? ʻAe, hana nā lā wela i ka mālamalama UVA. Mai kahi hiʻohiʻona olakino, pono ke pale ʻia i ka hōʻiliʻili ʻia o ka ʻili i ke kukui UV. Ke alakaʻi nei kēia i ka hoʻomaka mua o ka ʻili. I ka manawa like, ʻoi ka hoʻolaha ʻana o ka hoʻoulu ʻana i ka maʻi ʻōpū o ka ʻili.

Sunscreen & Ma hope o ka lā

ʻO ka hapanui o nā ʻili lā i hilinaʻi i ka hui pū ʻana o nā kānana kino a me nā mea hoʻomehana. ʻO Titanium oxide a i ʻole kānana hoʻonaninani kūmole hoʻākāka i ka wai a UV e like me nā aniani liʻiliʻi. Ka hoʻololi ʻana i nā kānana i nā kulu UV kino i ke ʻona kino, ʻo ia ka mea maikaʻi ʻole a me ka wela. Ma hope o nā huahana Sun, hoʻohana nā ʻili kino ʻoluʻolu e like me ka algae extracts a i ʻole aloe vera e hoʻomoʻoluʻu a hōʻoluʻolu i ka ʻili ma hope o ka lā. Ma hope o ka minuke UV 20-minute, hōʻino ʻia i ka mea genetic o nā ʻili o ka ʻili. ʻO kekahi mau huahana ma hope o ka lā kahi i loaʻa ai ka photolyase o ka enzyme, e kākoʻo ana i ka mīkini pono ponoʻī o ka ʻili. No kekahi manawa i ke aniani ke nānā aku nei i nā huahana a me nā huahana cross-over. No ka laʻana, nā lāila a i ʻole nā ​​loina hana pilikino i kēia manawa i nā kānana UVA a me UVB.

Pahu ʻili lā (kāhea ʻia ʻo ka sunscreen kino) he ʻano kūlohelohe i nā ʻano ʻenehana kūlohelohe a me nā pūlehu a hāʻawi pū i ka pale pono mai ka radiation UV. Ma ka hoʻohālikelike i nā sunscreens kemika, e hana ana nā huahana mineral i kekahi kumu ʻokoʻa: e kūlohe ana nā miner kūlohelohe i ka ʻili a keʻike nei i nā kaʻa o ka UV e komo mai ana e like me ke aniani. Ke hana koke nei kēia mau kānana sunscreen ma hope o ka noi a ʻaʻole ikaika ka hogone. Kēia ʻike ʻia nā pigments kūlohelohe i ka emulsion: Ma o ke aniani hāleʻa e ʻike ʻia me he keʻokeʻo keʻokeʻo, ʻike ʻia ka ʻili a me ka maʻule. Lilo i ka hoʻohana ana ia mea.

I ke kamaʻilio pū ʻana me Dr. ʻO Dagmar Millesi, mea loea i ka palakiko a me nā ʻokiʻoki nani no ka lā ʻalani, sunburn & Co.

Sunburn: He aha ka mea e kū ai i ka ʻili?
Millesi: "Ua hoʻopuka ka lā i nā kukui UV. Ke alakaʻi nei kēia i ka hoʻokuʻu i kekahi mau ʻelele e like me histamine a interleukins i loko o ka ʻili. ʻO ka radiation hoʻonāukiuki ke kumu o ka hoʻokaʻawale ʻana o nā kīʻaha koko, ʻulaʻula a me ke kahe o ka ʻili o ka ʻili. Hoʻopau a holoi paha paha ka hopena. ʻO kēia ʻano hoʻonāukiuki o ka ʻili i kapa ʻia ka lā. Ma ka lā ulu o ka lā, hoʻopuka ʻo ia i ka huhū pinepine a ka maʻi maʻamau, ka ʻōpū, ka wā e hōʻulu a me ka luaʻi. He ʻāʻule kahi wela o ka ʻili a e ʻoka ʻia i nā uku a pau. "

Pehea e hana ai ka lā?
Millesi: "Hōʻuluʻo ka Sun Sun i ka UV hihiu o ka lā a no laila e hoʻonui i ka mea pono o ka ʻāʻī me ka pale o ka radiation UV. ʻO nā ʻokoʻa nā kālai ʻia sunscreen me ka hana kino a i ʻole ka hana ʻana. Hoʻopili nā kānana UV kemika i loko o ka ʻili ma hope o ka noi a hana i kahi ʻano o ka kiʻi pale pale o loko. Hoʻohuli kēia i nā hihi UV i loko o ka kukui ʻōlamalama a pēlā i ka wela. ʻO ka hemahema ʻo ia mau mea kā ka lā i ka hopena ma hope o ka hana o 30 mau minuke, ʻoiai, ua pane kekahi mau mea i ka maʻi kūlohelohe. ʻAʻole hōʻili ʻia nā kānana kino i ka ʻili a hoʻokumu ʻia i kahi kiʻi palekana i waho o ka ʻili. ʻO ka hopena, ua pale ʻia a i hoʻohālike ʻia nā hihi UV. ʻO ka pōmaikaʻi o kēia mau suncreams ua hoʻomaopopo maikaʻi ʻia lākou. "

Aia pū kekahi i ka lā kūlohelohe?
Millesi: "ʻO ka ʻōiwi kūlohelohe maikaʻi loa i pale i ka maka ʻana i ka lā. No laila e hoʻokaʻawale iā ʻoe iho i ka lā awakea plidid, e nānā i nā wahi lōlū a pono i nā lole a me nā poʻo i ka lā. Eia kekahi, hiki i kekahi mau aila ke hana e like me ka lā māmā māmā, e like me ka aila sesame, ka aʻa niu a i ʻole jojoba aila. ʻO kēia mau pale pale wale nō ka 10-30 ka nui o nā hihi UV. Akā, mai poina ka mea e hoʻokō ana ka lā i nā hana nui i ke kino o ke kanaka. Hoʻoulu ia i ka hana o ka vitamin D, he mana koʻikoʻi i nā mea ʻelele, e like me ka serotonin, a hiki ke hoʻopilikia maikaʻi i ka hormon. "

Photo / Video: Shutterstock.