Potso e 'ngoe le e' ngoe eo u nang le eona e sireletsang mafura a letsatsi

Litaba

• 1. Ke lokela ho ela hloko SPF hakae?
• 2. Tšireletso ea UVA le UVB e sebetsa joang?
• 3. Phapang ke efe lipakeng tsa li-sunscreen tsa 'mele le tsa lik'hemik'hale?
• Setlolo se sireletsang letlalo letsatsing (inorganic)
• Setlolo se sireletsang letlalo letsatsing ka lik'hemik'hale
• 4. Ke lokela ho tlotsa setlolo se sireletsang letlalo letsatsing hangata hakae?
• 5. Na ehlile ke hloka ho e apara haeba ke tla ba ka tlung boholo ba letsatsi?
• 6. Na ho na le phapang lipakeng tsa setlolo se sireletsang sefahleho sa 'mele le' mele?
• 7. Na bana le masea ba lokela ho sebelisa li-sunscreens tse fapaneng le tsa batho ba baholo?
• 8. Na ke lokela ho tšoenyeha ka lintho tse kotsi tse sireletsang mafura letsatsing?
• 9. Na khanya ea ka ea letsatsi e bolaea mafika a likorale?
• 10. Nka khetha setlolo se sireletsang letlalo molemong oa mofuta oa letlalo la ka joang?
• Mekhoa e meng ea ho pata

Re kenyelletsa lihlahisoa tseo re nahanang hore li na le thuso ho babali ba rona. Haeba u reka ka lihokela tse leqepheng lena, re ka fumana khomishene e nyane. Ts'ebetso ea rona ke ena.

Ke tsela efe e thibelang likulo ka ho fetisisa ho thibela tšenyo ea letsatsi letlalong la hao? Ho lula letsatsing. Empa ho qoba letsatsi ke tsela e tšabehang ea ho sebelisa nako ea hau, haholo ha mahlaseli a letsatsi a ikarabella ka mokhoa o itseng bakeng sa ho phahamisa maikutlo a hau.

Joale, ke eng ntho e ntle ka ho fetesisa eo re nang le eona ea ho sireletsa bokaholimo ba letlalo la rona le mekato e mengata ka tlase? Setlolo se sireletsang mahlo letsatsing.

Re buile le litsebi mme ra etsa lipatlisiso ho hlakisa pherekano e tloaelehileng ea "sunscreen". Ho tloha linomorong tsa SPF ho isa mefuteng ea letlalo, ena ke potso e 'ngoe le e' ngoe eo u bileng le eona ka setlolo se sireletsang letlalo letsatsing, e arabiloeng.

1. Ke lokela ho ela hloko SPF hakae?

Fayne Frey, eo e leng ngaka ea letlalo ea New York o re hopotsa hore “ha ho setlolo se sireletsang letlalo letsatsing se ka atlehang ho thibela ho cha le ho senyeha ha letlalo ka liphesente tse 100.” O boetse a re setlolo se sireletsang letlalo letsatsing “se ka eketsa nako eo u ka bang ka eona kantle.”

Nako ea nako e sebelisitsoeng kantle e batla e amana le SPF.

Liphuputso tsa morao-rao li bonts'a hore SPF 100, ha e bapisoa le SPF 50, e etsa phapang ea 'nete ho sirelleng letlalo la hau khahlanong le tšenyo le ho chesoa. Bonyane, o tla batla SPF 30.

Frey o boetse a re li-SPF tse phahameng li tloaetse ho ba thata, ka hona batho ba bang ha ba li rate joalo. Empa ts'ireletso eo e eketsehileng e bohlokoa bakeng sa letsatsi la leoatle, leha o sa batle ho e khetha letsatsi le letsatsi.

Ho pheta-pheta: Frey o re: "SPF 30 ke bonyane boo ke bo khothalletsang, empa ho feta kamehla ho molemo ho feta." Thinkbaby SPF 30 Stick ($ 8.99) e akaretsa metheo ntle le maikutlo a kang a khase. Hape, thupa e etsa hore ho be bonolo ho e sebelisa hape ha o ea.

SPF, kapa tšireletso ea letsatsi, e metha hore na ho hlokahala matla a makae a letsatsi ho baka ho chesoa ke letsatsi ha o apere setlolo se sireletsang letlalo letsatsing ha o bapisoa le letlalo le sa sireletsoeng. Setlolo se sireletsang letlalo letsatsing se nang le SPF ea tse 30, ha se sebelisoa ka tsela eo se laetsoeng ka eona, ho tloha fihla letlalong la hao. SPF 50 e thibela liperesente tsa 98. Ho bohlokoa ho hopola hore le ha li-SPF tse phahameng li fana ka tšireletso e ngata, ha li tšoarelle nako e telele ho feta lipalo tse tlase, ka hona o hloka ho li kenya khafetsa hangata.

2. Tšireletso ea UVA le UVB e sebetsa joang?

Letsatsi le ntša mefuta e fapaneng ea mahlaseli a khanya, ao a mabeli a oona a ikarabellang bakeng sa ho senya letlalo la hao: ultraviolet A (UVA) le ultraviolet B (UVB). Mahlaseli a UVB a makhuts'oane ebile ha a khone ho kenella ka khalase, empa ke ona a bakang ho chesoa ke letsatsi.

Mahlaseli a UVA, a ka kenang ka khalase, a bolotsana haholoanyane hobane leha o sa utloe hore oa chesa.

Ka lebaka leo, o tla batla ho netefatsa hore setlolo se sireletsang letlalo letsatsing se re "," "Ts'ireletso ea UVA / UVB," kapa "multi-spectrum" lebokoseng. Poleloana e reng "sephara se pharaletseng" ke eo hangata o tla e bona United States hobane e laoloa ke U.S. Food and Drug Administration (FDA).

Mohlomong.Li-sunscreen tse tsoang linaheng tse ling li na le mefuta e mengata e fapaneng ea lisebelisoa tse thibelang letsatsi. Li-sunscreen tsena li thathamisa ntlha ea PA, tekanyo ea ts'ireletso ea UVA e pakeng tsa "+" ho "++++." Sistimi ea lintlha tsa PA e ntlafalitsoe Japane mme e qala ho ts'oara mona United States.

Monique Chheda, Washington, DC, dermatologist, o eketsa ka hore "hangata metsoako e 'meli e fanang ka tšireletso ea UVA ke avobenzone le zinc oxide, ka hona u batla ho netefatsa hore setlolo se sireletsang letlalo letsatsing se na le e' ngoe ea tsona."

Ho pheta-pheta: Ka bobeli le matšoao a botsofali, ka hona kamehla khetha setlolo se sireletsang letlalo letsatsing ka bonyane ba SPF 30 kapa ho feta. Setlolo se sireletsang letlalo letsatsing sa Murad City Skin Age SPF 50 ($ 65) se na le lintlha tsa PA tsa ++++, se bontšang hore se na le tšireletso e ntle khahlano le mahlaseli a UVA.

3. Phapang ke efe lipakeng tsa li-sunscreen tsa 'mele le tsa lik'hemik'hale?

U tla utloa mantsoe a 'meleng (kapa a diminerale) le litlolo tse sireletsang mahlo letsatsing. Mantsoe ana a bua ka metsoako e sebetsang e sebelisitsoeng.

Kaha zinc oxide le titanium dioxide ke lik'hemik'hale tsa theknoloji, ha e le hantle ho nepahetse haholoanyane ho bua ka setlolo se sireletsang letsatsi e le "inorganic" le lik'hemik'hale e le "organic." Hape ho na le phapang ea liphesente tse 5 ho isa ho tse 10 feela ka tsela eo metsoako ena e sebetsang ka eona, kaha mefuta eo ka bobeli e monya mahlaseli a UV.

Setlolo se sireletsang letlalo letsatsing (inorganic)

Ho na le metsoako e 'meli feela ea setlolo se sireletsang letsatsi e amoheloang ke FDA: zinc oxide le titanium dioxide. Ho 'nile ha nahanoa hore li-sunscreens tse sa tloaelehang li etsa tšitiso e sireletsang ka holim'a letlalo la hao e bonts'ang le ho hasanya mahlaseli a UV hole le' mele oa hau. Leha ho le joalo, lipatlisiso tsa morao-rao li bontša hore li-sunscreen tse sa tloaelehang li hlile li sireletsa letlalo ka ho monya karolo ea 95 lekholong ea mahlaseli.

• La Roche-Posay Anthelios Ultra-Light Sunscreen Fluid Broad Spectrum SPF 50 Mineral ($ 33.50)
• CeraVe Setlolo se sireletsang sefahleho sa sefahleho sa Lotion Broad Spectrum SPF 50 ($ 12.57)
• EltaMD UV Physical Broad-Spectrum SPF 41 ($ 30)

Linnete tsa botle! Li-sunscreen tsa 'mele hangata li siea samente e tšoeu, ntle le haeba u sebelisa sehlahisoa se soeufalitsoeng kapa se sebelisang nanotechnology ho heletsa likaroloana. Hape, ha li-sunscreen tsa 'mele li bitsoa "tsa tlhaho", boholo ba tsona ha li eo' me li hloka ho sebetsoa ka lik'hemik'hale tsa maiketsetso e le hore setlolo se sireletsang letsatsi se theohele hantle letlalong la hao.

Setlolo se sireletsang letlalo letsatsing ka lik'hemik'hale

Lisebelisoa tse ling tsohle tse sebetsang tse seng zinc kapa titanium li nkuoa e le metsoako ea li-sunscreens. Lik'hemik'hale tse sireletsang letlalo letsatsing li kenya letlalo letlalong la hau joaloka setlolo ho fapana le ho etsa mokoallo ka holim'a letlalo. Lisebelisoa tsena tse sebetsang "li baka tšebetso ea lik'hemik'hale e fetolang khanya ea UV mocheso hore e se ke ea lematsa letlalo," ho hlalosa Chheda.

• Neutrogena Ultra Sheer Dry-Touch Sunblock Broad Spectrum SPF 30 ($ 10.99)
• Biore UV Aqua Rich Watery Essence SPF 50+ / PA ++++ ($ 16.99)
• Nivea Sun Sireletsa Metsi Gel SPF 35 ($ 10)

Chheda e khothaletsa bakuli ba eona hore ba sebelise mofuta ofe kapa ofe oo ba o ratang empa ba hlokomelisa hore ha o khetha setlolo se sireletsang letlalo letsatsing, o hloka ho batla e nang le bonyane karolo ea 10 lekholong ea zinc oxide molemong oa ho fumana sekoaelo se pharaletseng.

4. Ke lokela ho tlotsa setlolo se sireletsang letlalo letsatsing hangata hakae?

Frey o re: "Ke roala setlolo se sireletsang letlalo letsatsing matsatsi a 365." "Ke hlatsoa meno hoseng 'me ke itlotsa ka setlolo se sireletsang letlalo letsatsing."

Hore na o qeta motšehare oa mantsiboea u le letsatsing kapa che, etsa bonnete ba hore u itlotsa ka setlolo se sireletsang letlalo hore se sebetse hantle - boholo ba rona ha re etse joalo. Frey le Chheda ka bobeli ba re motho ea tloaelehileng ea apereng sutu ea ho tola o hloka ounce e felletseng (kapa khalase e felletseng) ho koahela libaka tsohle tse pepesitsoeng, ho kenyeletsoa sefahleho sa hau, lihora tse ling le tse ling tse peli. Ho etsa hore kopo e be bonolo hape, leka setlolo se sireletsang letsatsi joaloka Banana Boat Sun Comfort Spray SPF 50 ($ 7.52).

Haeba u le lebopong la leoatle le lelapa la hau - u re lihora tse tšeletseng letsatsing - motho e mong le e mong o hloka botlolo ea li-ounce tse tharo ho eena. Haeba u se ka metsing, lahlela hempe le katiba ebe u lula moriting. Karolo e 'ngoe le e' ngoe ea tšireletso e etsa phapang.

Batho ba nang le lithane tse lefifi tsa letlalo kapa ba sootho habonolo ha baa lokela ho skimp le bona.

“Letlalo la hao ha lea lokela ho etsa qeto ea hore na u itlotsa ka setlolo se sireletsang letlalo letsatsing. Motho e mong le e mong, ho sa tsotelehe lebala la letlalo, o lokela ho itlotsa ka setlolo se sireletsang letlalo letsatsing ho netefatsa ts'ireletso e felletseng, ”Chheda ea eletsa. Sekhahla sa pholoho ea mofets'e oa letlalo se tlase ho batho ba seng basoeu, e kanna ea ba ka lebaka la lithane tse lefifi tsa letlalo tse sa hlokeng setlolo se sireletsang letlalo letsatsing.

5. Na ehlile ke hloka ho e apara haeba ke tla ba ka tlung boholo ba letsatsi?

Le ha o sa qete thapama letamong, o ntse o netefalitsoe hore o tla kopana le mahlaseli a UV ka fensetere kapa ka ho nyarela ka ntle. Liphuputso li bonts'a hore ts'ebeliso ea letsatsi le letsatsi ea setlolo se sireletsang letlalo e ka fokotsa menyetla ea hau ea mofets'e oa letlalo mme (e hlalosoa ke makhopho, ho pepesetsoa letlalo le matheba a lefifi).

Likhopotso tsa ho etsa kopo hape: Kamehla kenya setlolo se sireletsang letsatsi. Ikemisetsa lihora tse ling le tse ling tse peli haeba u le kantle. Seo u se aparang qalong se ka tsamaea kapa sa fetoha letsatsi lohle. Ho boetse ho nka metsotso e ka bang 20 hore setlolo se sireletsang letlalo letsatsing se sebetse. Haeba setlolo se sireletsang letlalo letsatsing se na le zinc oxide e tenya, u ka 'na ua khona ho baleha ka setlolo se sireletsang letlalo letsatsing, empa haeba u sa tiiseha, u se ke ua se beha kotsing!

6. Na ho na le phapang lipakeng tsa setlolo se sireletsang sefahleho sa 'mele le' mele?

Mabapi le ts'ireletso ea letsatsi, ho ea ka Frey, phapang e le 'ngoe feela pakeng tsa sefahleho le' mele ke setlolo se boholo se rekisoang. Ha ho hlokahale hore u reke sefahleho sefahleho sa hau haeba u sa batle. . Ho na le lihlahisoa tse ntle tsa combo tse tšoaetsoeng sefahleho le 'mele joalo ka La Roche-Posay Anthelios SPF 60 ($ 35.99).

Leha ho le joalo, sefahleho sa hau hangata se na le kutlo ho feta 'mele oa hau kaofela, kahoo batho ba bangata ba khetha setlolo se sireletsang letlalo se bobebe, se se nang' mala se etselitsoeng sefahleho, haholoholo bakeng sa ho roala letsatsi le letsatsi. Tsena ha li na monyetla oa ho koala masoba, ho baka ho phatloha kapa ho halefisa letlalo. Neutrogena Sheer Zinc Dry Touch SPF 50 ($ 6.39) e lumellana le maemo ana hantle.

Hape o lokela ho qoba ho sebelisa litlolo tse sireletsang mahlo letsatsing sefahlehong sa hau, hobane ha ho bolokehe ho li hema. Haeba u le ka har'a pinch, fafatsa setlolo se sireletsang letlalo letsatsing letsohong la hao pele 'me u se tšele ka hare.

Khomarela litlolo tse sireletsang letsatsing, tse kang Neutrogena Ultra Sheer Stick Face le Body SPF 70 ($ 8.16), li etsa mokhoa o motle oa ho tsamaea 'me ho bonolo ho o sebelisa letlalong le bonojoana le haufi le mahlo a hao.

7. Na bana le masea ba lokela ho sebelisa li-sunscreens tse fapaneng le tsa batho ba baholo?

Bakeng sa masea le bana, hammoho le ba nang le letlalo le bobebe, lingaka tsa letlalo li khothaletsa li-sunscreen tsa 'mele kaha li na le monyetla o fokolang oa ho baka lihlahala kapa liphetoho tse ling tsa alejiki. Bakeng sa bana ba banyenyane, setlolo se sireletsang letlalo letsatsing se entsoeng ka zinc oxide e kang Thinkbaby SPF 50 ($ 7.97) ke khetho e ntle.

Kaha ho ka ba thata bakeng sa bana ba seng ba holile ho lula ba khutsitse bakeng sa ts'ebeliso ea li-sunscreen, fafatsa li-sunscreens, joalo ka Supergoop Antioxidant-Infused Sunscreen Mist SPF 30 ($ 19), e ka etsa hore ts'ebetso ena e se ke ea lelekisa. Etsa bonnete ba hore o tšoara nozzle haufi mme o fafatsa ho fihlela letlalo le phatsima ho netefatsa hore o kenya kopo e lekaneng.

8. Na ke lokela ho tšoenyeha ka lintho tse kotsi tse sireletsang mafura letsatsing?

Lingaka tsohle tseo re buileng le tsona li hatelletse hore lisebelisoa tse mafolofolo tse sireletsang letlalo letsatsing li lekoa ka matla bakeng sa polokeho ke FDA. Leha ho le joalo, ba lumela hore li-absorber tsa lik'hemik'hale li na le monyetla oa ho baka ho halefa ha letlalo, ka hona haeba u na le boemo ba letlalo joalo ka eczema kapa rosacea, kapa haeba u tloaetse ho itšoara hampe, khomarela li-sunscreens tse sebelisang zinc oxide le titanium dioxide.

Mafura a boetse a tena batho ba bangata, ka hona setlolo se sireletsang letlalo letsatsing seo le sona se senang monko o monate le hypoallergenic se loketseng.

Haeba u na le lipotso mabapi le polokeho ea setlolo se sireletsang letlalo letsatsing, Dustin J. Mullens, ngaka ea letlalo e Scottsdale, Arizona, o khothaletsa ho hlahloba tataiso ea tikoloho ea sehlopha sa Working Working Group, e fanang ka litekanyetso tsa polokeho ho li-sunscreen tse makholo tse ipapisitseng le data le lingoliloeng tsa mahlale.

9. Na khanya ea ka ea letsatsi e bolaea mafika a likorale?

Ka Mots'eanong 2018, Hawaii e ile ea thibela metsoako ea setlolo se sireletsang letlalo letsatsing e leng oxybenzone le octinoxate, eo bo-rasaense ba lumelang hore e kenya letsoho ho soeufaleng ha mafika a likorale.

Empa molao o mocha oa Hawaii ha o sebetse ho fihlela 2021, ka hona hajoale metsoako e lebisitsoeng e ntse e potoloha lishelefong tsa mabenkele.

Ka kakaretso, ha se mohopolo o mobe ho nka bohato ka matla le ho khetha litlolo tse sireletsang mafika tse sa sireletsoeng ke mafika tse sa kenyelletseng oxybenzone kapa octinoxate, joalo ka Blue Lizard Sensitive SPF 30 ($ 26.99) e fumanang tšireletso ea UV ea eona ho tsoa ho zinc oxide le titanium dioxide.

Ha se li-sunscreen tsohle tsa liminerale tse hlakileng ka ho felletseng. Li-sunscreen tse ngata tsa liminerale li na le likaroloana tse nyane tse nyane tsa zinc oxide le titanium dioxide tse bitsoang nanoparticles. Patlisiso ea morao-rao, e ntseng e le maemong a pele, e fana ka maikutlo a hore li-nanoparticles tsena le tsona li ka ba kotsi ho mafika a likorale.

Haeba u batla ho etsa liphoso lehlakoreng la tlhokomeliso, tsamaea le setlolo se sireletsang letlalo letsatsing se kenyeletsang oxide e seng nano zinc oxide lenaneng la metsoako, joalo ka Raw Elements Face + Body SPF 30 ($ 13.99).

Oxybenzone ke sehlahisoa se le seng sa lik'hemik'hale se sireletsang letsatsi se 'nileng sa amahanngoa le ho senyeha ha li-hormone. Leha ho le joalo, pampiri ea 2017 e hlokomela hore o tla tlameha ho sebelisa sesebelisoa sena khafetsa bakeng sa lilemo tse 277 hore se senye lihormone tsa hau. Liphuputso tsa hajoale li boetse li bonts'a hore li-nanoparticles li bolokehile bakeng sa batho 'me ha li kenelle letlalong la hao (feela holim'a lera le ka ntle le shoeleng).

10. Nka khetha setlolo se sireletsang letlalo molemong oa mofuta oa letlalo la ka joang?

Ho tloha Amazon ho ea Ulta, o na le makholo a sebele ao u ka khethang ho 'ona. U ka qala ka metheo: Khetha ponahalo e pharaletseng le SPF ea bonyane 30. Ho tloha moo, nahana ka lintlha tsa bohlokoa ho uena tse kang hore na u na le boemo ba letlalo kapa hore na u khetha ho sebelisa thupa ho feta tranelate.

Mekhoa e meng ea ho pata

Qetellong ea letsatsi, "setlolo se sireletsang letsatsing se setle ka ho fetisisa ke seo u tla se sebelisa," Frey o re. 'Me haeba u hlile u batla ho pata, roala katiba, tsetela liphahlo tse sireletsang letsatsi,' me u lule moriting kapa ka tlung - haholo letsatsing le chabileng la thapama lipakeng tsa motšehare oa mantsiboea le hora ea bone thapama.

Mahlale a likomporoby Rebecca Straus Mosebetsi oa hae o hlahile ho Rodale’s Organic Life, Sunset, Therapy Therapy, le Good Housekeeping.