SPF ndi Zopeka Zoteteza Dzuwa Kuti Musiye Kukhulupirira, Stat

Zamkati

• Zabodza: ​​Mukungoyenera kuvala zotchingira dzuwa mukamagwiritsa ntchito tsiku kunja.
• Bodza: ​​SPF 30 imapereka chitetezo chowirikiza kawiri kuposa SPF 15.
• Bodza: ​​Khungu lakuda silingatenthe ndi dzuwa.
• Zabodza: ​​Mumakhala otetezeka mukakhala pamthunzi.
• Zabodza: ​​Ndi bwino kugwiritsa ntchito mafuta oteteza khungu ku kirimu kusiyana ndi kutsitsi.
• Bodza: ​​Zojambula zonse zoteteza ku dzuwa zimagwiranso ntchito chimodzimodzi.
• Bodza: Zodzoladzola zanu zili ndi SPF kotero simusowa kugwiritsa ntchito zoteteza khungu lanu padera.
• Bodza: ​​SKutentha ndi kowopsa, koma kukhala ndi khungu kuli bwino.
• Nthano:Nambala ya SPF ndiye chinthu chokha chomwe muyenera kuyang'ana mukamagula zoteteza ku dzuwa.
• Onaninso za

Pa nthawiyi m'moyo, (mwachiyembekezo!) wakhomerera mafuta anu oteteza dzuwa ku M.O.…kapena mwatero? Palibenso chifukwa chofiyira pankhope chifukwa cha manyazi (kapena dzuwa, chifukwa chake). Limbikitsani dzuwa lanu kukhala lanzeru ndikuthandizidwa pang'ono ndi akatswiri a dermatologists.

Apa, ma pros amachotsa nthano zodziwika bwino zoteteza dzuwa ndikuyankha mafunso anu akuluakulu a SPF kuti muwonetsetse kuti khungu lanu limatetezedwa bwino nyengo iliyonse.

Zabodza: ​​Mukungoyenera kuvala zotchingira dzuwa mukamagwiritsa ntchito tsiku kunja.

Bwerezani pambuyo panga: Kuteteza dzuwa sikungakambirane masiku 365 pachaka, mosasamala kanthu komwe muli, zomwe mukuchita, kapena nyengo yotani. Joshua Zeichner, M.D, director of cosmetic and clinical research in dermatology ku Mount Sinai Hospital ku New York City anati: "Anthu ambiri omwe amawotcha dzuwa amakhala osachita mwangozi." "Anthu sazindikira kuti ndi nthawi yayitali yomwe amakhala panja -ulendo wawo wopita kuntchito, kuthamangira kwina-komwe dzuwa limawononga khungu lawo."

Zowonongekazo ndizambiri; Nthawi yochepa yogwiritsira ntchito zoteteza ku dzuwa imakhala ndi zotsatira zowopsa komanso zokhalitsa. Ndipo pamene kuyatsa kwa UVB kumakhala kolimba mchilimwe, cheza cha UVA (chomwe chimayambitsa ukalamba ndi khansa yapakhungu) chimakhala cholimba chaka chonse ndikulowerera ngakhale tsiku lamvula. Tsopano, ndikudziwa zomwe mukuganiza: kodi ndimafunikirabe zoteteza ku dzuwa ngati ndikukhala mkati mwa tsikulo? Inde - ngakhale mutakhala kwaokha. Mwamwayi, yankho lake ndi losavuta. Pangani zoteteza ku dzuwa kukhala gawo la tsiku ndi tsiku lachizoloŵezi chanu, kuphimba nkhope yanu ndi malo ena aliwonse owonekera, monga khosi lanu, chifuwa, ndi manja-malo onse omwe anthu amawaiwala kuwateteza, malinga ndi Dr. Zeichner. (Koma bwanji ngati mumafuna kudzipaka nkhope? Mutha kuyika SPF pansi pa maziko anu kapena kusankha imodzi mwamawonedwe oteteza nkhope kumaso.)

Bodza: ​​SPF 30 imapereka chitetezo chowirikiza kawiri kuposa SPF 15.

Zitha kuwoneka ngati zosagwirizana, koma mfundo zowerengera masamu sizigwira ntchito zikafika manambala a SPF. "SPF 15 imatchinga 94% ya cheza cha UVB, pomwe SPF 30 imatchinga 97%," akufotokoza Dr. Zeichner. Kuwonjezeka kwa chitetezo mukangokwera pamwamba pa SPF 30 kumangowonjezera, chifukwa chake, mawonekedwe oteteza dzuwa oteteza SPF siabwino kwenikweni.

Chifukwa chake, ngati mutakhala pamenepo mukudzifunsa "ndi SPF iti yomwe ndikufuna?" yankho lalifupi ndi SPF 30 kuti mugwiritse ntchito tsiku ndi tsiku, malinga ndi Dr. Zeichner. (Awa ndi malingaliro a American Academy of Dermatology kapena AAD.) Izi zati, si lingaliro loipa kulakwitsa ndikupita ndi SPF 50 mukakhala pagombe kapena padziwe, akutero."Kuti mupeze chitetezo cholembedwa pa botolo, muyenera kugwiritsa ntchito ndalama zokwanira ndikubwereza mosalekeza, zomwe anthu ambiri samachita," akutero. "Posankha SPF wapamwamba, mukuthandizira kuthana ndi zosiyanazi."

Tsopano, mawonekedwe oteteza dzuwa otetezedwa kwambiri a SPF omwe mudzawaone m'mashelufu am'masitolo ndi 100, koma kachiwiri, izi sizikupatsani chitetezo chambiri kawiri ngati SPF 50. Kuwonjezeka kuchokera ku SPF 50 mpaka SPF 100 kumapereka kusiyana kochepa pakuletsa 98 peresenti vs. 99% ya cheza cha UVB, motsatana, malinga ndi Environmental Working Group. Osanenapo, ma SPF okwera kumwambawa angapangitse anthu kuganiza kuti atha kuyambiranso. "Pakhoza kukhala lingaliro labodza lachitetezo ndi SPF ya 100," Anna Chien, MD, pulofesa wothandizira wa dermatology ku Johns Hopkins School of Medicine, adauza kale. Maonekedwe. Izi ndi zifukwa zonse zomwe SPF 100s izi zitha kukhala zakale; Chaka chatha, Food and Drug Administration (FDA) idalimbikitsa kuti chizindikiro chokwanira cha SPF chikhale ndi 60+. (Yogwirizana: A FDA Akufuna Kusintha Kwakukulu Pazenera Lanu.)

TL; DR- Kubetcha kwanu ndikugwiritsa ntchito SPF 30 tsiku lililonse, sungani SPF 50 pafupi nthawi yomwe mudzakhale padzuwa, ndipo onetsetsani kuti mukugwiritsa ntchito (ndikuyikanso) zonse monga mwalamulidwa.

Bodza: ​​Khungu lakuda silingatenthe ndi dzuwa.

Mitundu yokhala ndi khungu lakuda siyopanda lamulo lamasiku onse lodzitchinjiriza ndi dzuwa. Dr. Kupatula pakuwotcha, palinso chiopsezo cha ukalamba ndi khansa yapakhungu, popeza cheza cha UVA chimakhudzanso khungu mofananira-mosatengera mtundu. M'malo mwake, onse AAD ndi FDA amatsimikizira kuti aliyense, mosasamala zaka, jenda, kapena mtundu, atha kudwala khansa yapakhungu ndipo, chifukwa chake, atha kupindula ndi kugwiritsa ntchito zotchinga dzuwa nthawi zonse. Mfundo yofunika: Mitundu yonse ya khungu ndi mitundu yake imatha kuwonongeka ndi dzuwa ndipo amafunika kukhala atcheru poteteza.

Zabodza: ​​Mumakhala otetezeka mukakhala pamthunzi.

Zowona, kukhala pamthunzi ndi njira yabwino kuposa kukhala pansi padzuwa, koma sikungalowe m'malo mwa zoteteza ku dzuwa, akuchenjeza Dr. Zeichner. "Magetsi a UV amawonetsa mawonekedwe okuzungulirani, makamaka mukakhala pafupi ndi madzi." Mwanjira ina, kunyezimira kukufikira, ngakhale pansi pa ambulera. Ndipotu, kafukufuku wofalitsidwa mu JAMA Dermatology adapeza kuti anthu omwe amakhala pansi pa ambulera yapagombe opanda zotchingira dzuwa amatha kuwotcha kuposa omwe anali atavala zotchinga dzuwa. M'malo mongodalira mthunzi, ganizirani ngati gawo la zida zanu zoteteza dzuwa. "Funani mthunzi, valani zovala zokutetezani, ndipo, khalani olimbikira kugwiritsa ntchito zoteteza ku dzuwa," akulangiza motero Dr. Zeichner. (Onaninso: Zida Zamtundu wa Smart SPF Zomwe Siziteteza ku Dzuwa)

Zabodza: ​​Ndi bwino kugwiritsa ntchito mafuta oteteza khungu ku kirimu kusiyana ndi kutsitsi.

Mitundu yonse yoteteza ku dzuwa - mafuta, mafuta odzola, opopera, ndodo — idzagwira ntchito mofananamo ngati agwiritsidwa ntchito moyenera, malinga ndi Dr. Zeichner. (Choncho, kodi zoteteza ku dzuwa zimagwira ntchito bwanji, ndendende? Zambiri zikubwera.) Koma simungangowaza mtambo wa sunscreen pathupi panu kapena kusuntha mwachisawawa pa ndodo: "Muyenera kuyesetsa pang'ono mu njira yanu yogwiritsira ntchito. , "akuwonjezera. Taganizirani malangizo ake othandiza: Popopera mankhwala, gwirani botololo kutali ndi thupi lanu ndi kupoperani kwa mphindi imodzi kapena ziwiri pagawo lililonse kapena mpaka khungu likanyezimira, kenako pakani bwinobwino. Mukukonda timitengo? Phatikizani mmbuyo ndi mtsogolo kudutsa malo aliwonse kanayi kuti musungitse kuchuluka kwazinthu zokwanira. (Zogwirizana: Mafuta Odzola Opaka Dzuwa Omwe Sangaumitse Khungu Lanu)

Ponena za kugwiritsa ntchito zodzitetezera ku dzuwa, ndikofunikira kuti muzilemba musanapite panja chifukwa zimatenga mphindi 15 kuti khungu lanu lizitenga zoteteza ku dzuwa, motero, lizitetezedwa. Koma izi sizomwe zimachitika kamodzi kokha-muyenera kupaka mafuta oteteza dzuwa tsiku lonse. Ndiye, mafuta oteteza dzuwa amakhala nthawi yayitali bwanji? Zimatengera: Monga lamulo, muyenera kusinthana ndi zowotcha dzuwa maola awiri aliwonse, malinga ndi AAD. Kutuluka thukuta kapena kusambira? Kenako muyenera kuyitananso pafupipafupi, ngakhale zitakhala kuti mankhwalawo alibe madzi.

Bodza: ​​Zojambula zonse zoteteza ku dzuwa zimagwiranso ntchito chimodzimodzi.

Kuti tiyankhe funso lakuti, "kodi sunscreen imagwira ntchito bwanji?" choyamba muyenera kudziwa kuti zotchingira dzuwa zimagawika m'magulu awiri: mankhwala ndi thupi. Zoyambazo zimaphatikizapo zinthu monga oxybenzone, avobenzone, ndi octisalate, zomwe zimagwira ntchito potenga poizoni woyipa kuti atulutse. Mafuta oteteza ku dzuwa nawonso amakhala osavuta kupaka osasiya zotsalira zoyera. Komano, zoteteza dzuwa, "zimagwira ntchito ngati chishango" kotero kuti zimakhala pamwamba pa khungu lanu ndipo, mothandizidwa ndi zosakaniza monga zinc oxide ndi titanium dioxide, zimasokoneza kuwala kwa dzuwa, malinga ndi AAD.

Sunscreen vs. Sunblock

Tsopano popeza mukumvetsetsa zoyambira momwe zowotchera dzuwa zimagwirira ntchito, ndi nthawi yoti mukambirane mutu wina womwe umasokonekera: sunscreen vs. sunblock. Mwachidziwitso, zoteteza ku dzuwa zimatenga kuwala kwa UV ndikuwamwaza asanakhale ndi mwayi wowononga khungu lanu (mwachitsanzo, mankhwala opangira mankhwala) pomwe chitetezo cha dzuwa chimakhala pamwamba pa khungu lanu ndipo chimatchinga ndi kusokoneza cheza (mwachitsanzo, mawonekedwe a thupi). Koma kubwerera mchaka cha 2011, a FDA adagamula kuti chilichonse choteteza dzuwa, ngakhale atagwiritsa ntchito, atha kungotchedwa dzuwazojambula. Chifukwa chake, ngakhale anthu amatha kugwiritsa ntchito mawu awiriwa mosinthana, mwaluso, palibe chinthu choteteza dzuwa.

Kaya mungasankhe mtundu wa mankhwala kapena mawonekedwe amthupi zimangotengera zomwe mumakonda: mankhwala amakonda kumva opepuka, pomwe mawonekedwe amthupi ndi njira yabwino kwa anthu omwe ali ndi khungu losazindikira. Izi zikunenedwa, zowotchera dzuwa zimayang'aniridwa mochedwa, chifukwa cha kafukufuku waposachedwa wopangidwa ndi a FDA omwe adapeza kuti zinthu zisanu ndi chimodzi zodzitetezera ku sunscreen zimalowa m'magazi pamlingo wambiri kuposa chitetezo cha bungweli. Ndizosautsa kunena pang'ono, koma sizitanthauza kuti zosakaniza izi ndizosatetezeka-kungoti kafukufuku wowonjezera akuyenera kuchitidwa. Tsoka ilo, siwo okhawo omwe amadza chifukwa cha zoteteza ku dzuwa zomwe zingayambitse. Kafukufuku akuwonetsa kuti oxybenzone, imodzi mwazomwe zimagwiritsidwa ntchito kwambiri pamafomu amakankhwala, imatha kuwononga kapena "kuwononga" miyala yamchere. Ichi ndi chifukwa chinanso chomwe zowotchera dzuwa kapena mchere zimapitilizabe kutchuka komanso chidwi. (Onaninso: Kodi Mafuta Otetezera Kuthupi Achilengedwe Amalimbana Ndi Zowonekera Nthawi Zonse pa Dzuwa?)

Kumapeto kwa tsikulo, palibe kutsutsa kuti, "kuopsa kwa kusagwiritsa ntchito mafuta oteteza ku dzuwa kumaposa phindu la kusakhala ndi mafuta oteteza ku dzuwa," David E. Bank, M.D., dokotala wovomerezeka wa dermatologist ku New York, adanena kale. Maonekedwe. Komabe nkhawa? Khalani ndi mawonekedwe amthupi, popeza FDA imawona kuti zinc oxide ndi titanium dioxide ndizotetezeka komanso zothandiza. (Yogwirizana: A FDA Akufuna Kusintha Kwakukulu Pazenera Lanu)

Bodza: Zodzoladzola zanu zili ndi SPF kotero simusowa kugwiritsa ntchito zoteteza khungu lanu padera.

Ndikwanzeru kugwiritsa ntchito zodzoladzola ndi SPF (chitetezo chochulukirapo, ndibwino!), Koma si njira ina yopangira mafuta oteteza dzuwa (komanso "mapiritsi oteteza dzuwa"). Ganizirani izi ngati njira yachiwiri yodzitchinjiriza, osati njira yanu yokhayo yotetezera dzuwa. Chifukwa chiyani? Pongoyambira, simukugwiritsa ntchito maziko anu kapena ufa wanu wonse, akutero Dr. Zeichner. Kuphatikiza apo, zingatenge zodzoladzola zambiri kuti mulingo wa SPF udziwike mubotolo, ndipo azimayi ambiri savala motere, akuwonjezera. Chowotchera ndi zoteteza ku dzuwa ndichabwino, bola ngati ndichotakata ndi SPF 30 ndipo mumagwiritsa ntchito zokwanira (osachepera kuchuluka kwa faifi tambala kumaso kwanu).

Bodza: ​​SKutentha ndi kowopsa, koma kukhala ndi khungu kuli bwino.

Ubweya wofiira wa nkhanu sizomwe zimangowonetsa khungu lowonongeka. Ngati mukuganiza kuti kupeza kuwala kokongolako si vuto, ganiziraninso. Dr. Zeichner ananena kuti: “Kusintha kulikonse kwa khungu—kaya n’kusanduka kofiyira kapena mdima wandiweyani—chizindikiro cha kuwonongeka kwa dzuwa. Ganizirani za tani ngati chizindikiro chochenjeza kuti ndi nthawi yoti muwonjezere chitetezo chanu padzuwa, stat. Pamenepa, kodi zoteteza ku dzuwa zimalepheretsa kutenthedwa? Inde. Mafuta otetezera dzuwa amatetezadi khungu, koma, muyenera kuyikapo mafutawo moyenera komanso moyenera. Kwa munthu wamkulu wamkulu, "zokwanira" ndi pafupifupi 1 ounce ya sunscreen (pafupifupi ndalama zomwe zimafunika kuti mudzaze galasi) kuti muphimbe thupi kuchokera kumutu mpaka kumapazi, malinga ndi FDA.

Nthano:Nambala ya SPF ndiye chinthu chokha chomwe muyenera kuyang'ana mukamagula zoteteza ku dzuwa.

Pali zambiri zambiri zomwe zingapezeke pa chizindikiro cha sunscreen, ngakhale zingakhale zosokoneza kwa ambiri. Mu kafukufuku wa 2015 wofalitsidwa mu JAMA Dermatology, ndi anthu 43 peresenti yokha omwe amamvetsetsa tanthauzo la mtengo wa SPF. Kumveka bwino? Osadandaula! Simuli nokha - kuphatikiza, a Dr. Zeichner abwera kudzathandiza kuthetsa chisokonezo chofala ichi ndi ena. Apa, zomwe muyenera kuyang'ana mukamagula zotchinga dzuwa ndi zomwe chilichonse chimatanthauza, malinga ndi Dr. Zeichner.

SPF: Kuteteza Dzuwa. Izi zimangosonyeza chitetezo chomwe chimayatsa kuwala kwa UVB. Nthawi zonse yang'anani mawu oti "broad-spectrum," zomwe zikuwonetsa kuti mankhwalawa amateteza ku kuwala kwa UVA ndi UVB. (Nthawi zambiri mumapeza mawu awa atayikidwa patsogolo pake.)

Chosalowa madzi: Izi zikhoza kukhala kutsogolo kapena kumbuyo kwa botolo ndipo kumatanthauza kutalika kwa fomuyi kupirira madzi kapena thukuta, lomwe limakhala mphindi 40 mpaka 80. Ngakhale sikofunikira kugwiritsa ntchito njira yopanda madzi pazinthu za tsiku ndi tsiku, ndizofunikira pagombe kapena dziwe kapena mukamachita masewera olimbitsa thupi panja. Ndipo nthawi yofunsayo iyenera kukhala yayitali kwambiri musanalembenso. Kuti mukhale otetezeka, lembaninso nthawi iliyonse mukatuluka m'madzi. (Zokhudzana :: Zodzikongoletsera za dzuwa zogwirira ntchito zomwe sizimayamwitsa-kapena kumenya kapena kukusiyani ndi mafuta)

Tsiku lothera ntchito: Mosiyana ndi zomwe anthu ambiri amakhulupirira, mwina simuyenera kugwiritsa ntchito botolo lomwelo la sunscreen lomwe mumagwiritsa ntchito chilimwe chatha. Kodi mafuta oteteza khungu ku dzuwa amatenga nthawi yayitali bwanji? Izi zimadalira ndondomekoyi, koma lamulo labwino kwambiri la chala chachikulu ndikuponya chilichonse chaka chimodzi mutagula, kapena ikatha. Ma sunscreens ambiri amakhala ndi tsiku lotha ntchito atasindikizidwa pansi pa botolo kapena pamapaketi akunja ngati abwera m'bokosi. Chifukwa chiyani? Debra Jaliman, M.D., mlangizi wa zachipatala pa Mount Sinai School of Medicine anati: Maonekedwe.

Osakhala Comedogenic: Izi zikutanthauza kuti sizingatseke pores, kotero mitundu yomwe imakhala ndi ziphuphu nthawi zonse iyenera kuyang'ana mawu awa. (Onaninso: The Best Face Sunscreen for All Type of Skin, According to Amazon Shoppers)

Gulu la Zosakaniza: Zomwe zimapezeka kumbuyo kwa botolo, izi zimatchula zinthu zomwe zimagwira ntchito komanso momwe mungadziwire ngati mafuta oteteza dzuwa ndi mankhwala kapena thupi. Zoyambazo zimaphatikizapo zosakaniza monga oxybenzone, avobenzone, ndi octisalate; zinc oxide ndi titaniyamu dioxide ndizofala kwambiri.

Zizindikiro Zogwiritsa Ntchito: Izi zimafunikira ndi monograph ya FDA yomwe yangopititsidwa kumene, yomwe imazindikira kuti, pakagwiritsidwa ntchito moyenera, zoteteza ku dzuwa zimatha kuteteza kutentha kwa dzuwa, khansa yapakhungu, komanso zizindikilo za ukalamba.

Mopanda Mowa: Yang'anani izi posankha mafuta oteteza kumaso, chifukwa mowa umatha kuyanika pakhungu.

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