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Ponahalo e tebileng, ea lefats'e ka bophara lefats'eng la lisebelisoa tse thibelang UV

Mohlomong u se u ntse u tseba metheo ea motheo: Mocheso o sireletsang letlalo letsatsing ke mokhoa o thibelang ho sireletsa letlalo khahlanong le mahlaseli a letsatsi a UV.

Mefuta e 'meli e meholo ea mahlaseli a kotsi, UVA le UVB, e senya letlalo, e baka botsofali pele ho nako, hape e eketsa menyetla ea ho tšoaroa ke mofetše oa letlalo. 'Me mahlaseli ana a kopana le letlalo la hao selemo ho pota, leha ho le maru kapa u le ka tlung (mahlaseli a mang a UV a ka phunyeletsa ka khalase).

Empa ho khetha setlolo se sireletsang letlalo letsatsing ha ho bonolo joaloka ho nka botlolo efe kapa efe shelefong. Ha se lisebelisoa tsohle tse sireletsang letsatsi tse nang le melemo, likotsi kapa litaelo tse tšoanang.

Ebile, lisebelisoa tse ling li ka thusa ho thibela ho chesa empa eseng ho tsofala, ha tse ling li nkuoa li sireletsehile bakeng sa batho, empa eseng tikoloho.


Joale letlalo la hau le tseba joang se sebetsang? Re na le mokokotlo oa hau ho tsohle tse lumelletsoeng, tse thibetsoeng le maemo a ts'ebetsong lefatšeng ka bophara. FYI: Lihlahisoa tse ngata li entsoe ka bonyane lisebelisoa tse peli tsa UV-filter.

1. Tinosorb S le M

E fumanoa li-sunscreens tsa lik'hemik'hale

E 'ngoe ea metsoako e tsebahalang haholo ea Europe, Tinosorb S e ka itšireletsa khahlanong le mahlaseli a UVB le a UVA, a malelele ebile a makhutšoanyane, e leng se etsang hore e be se seng sa lintho tse loketseng ho thibela tšenyo ea letsatsi. Tinosorb e boetse e thusa ho tsitsisa mefuta e meng ea li-sunscreen mme e lumelloa ka bongata ba liperesente tse 10.

Leha ho le joalo, FDA ha e so amohele motsoako ona ka mabaka a 'maloa, ho latela Newsweek, "ho hloka tlhaiso-leseling" mme o botsoa feela "qeto, eseng tumello."

Motsoako ona o lula o eketsoa setlolo se sireletsang letlalo letsatsing ho matlafatsa tšebetso ea ona 'me ha o so ka o hokelloa ho mabaka afe kapa afe a kotsi.

Lintlha tse potlakileng

  • E amoheloa ka: Australia, Japane, Europe
  • E thibetsoe ka: United States
  • Molemo ka ho fetisisa bakeng sa: Melemo ea antioxidant le thibelo ea tšenyo ea letsatsi
  • Likorale li sireletsehile? Ha e tsejoe

2. Mexoryl SX

E fumanoa li-sunscreens tsa lik'hemik'hale


Mexoryl SX ke sesebelisoa sa UV se sebelisoang ho li-sunscreens le litlolo ho pota lefatše. E na le bokhoni ba ho thibela mahlaseli a UVA1, e leng mahlaseli a maqhubu a malelele a khothalletsang botsofali ba letlalo.

A bontšitse hore ke sesebelisoa se sebetsang sa UV ebile se loketse ho thibela tšenyo ea letsatsi.

Ha motsoako ona o ntse o potoloha le Yuropa ho tloha ka 1993, FDA ha ea ka ea amohela sesebelisoa sena sa L'Oréal ho fihlela 2006. Ka bongaka, e amohetse batho ba baholo le bana ba fetang likhoeli tse tšeletseng.

E batle ka: Avobenzone. Ha e kopantsoe le avobenzone, ts'ireletso ea UVA ea metsoako ka bobeli e.

Lintlha tse potlakileng

  • E amoheloa ka: United States, Australia, Europe, Japane
  • E thibetsoe ka: Ha ho letho
  • Molemo ka ho fetisisa bakeng sa: Thibelo ea tšenyo ea letsatsi
  • Likorale li sireletsehile? Ho joalo

3. Oxybenzone

E fumanoa li-sunscreen tsa 'mele


Oxybenzone, eo hangata e fumanoang li-sunscreen tse pharaletseng, e thusa ho sefa mahlaseli a UVB le a UVA (haholo-holo UVA e khuts'oane). Hape ke e 'ngoe ea metsoako e tsebahalang ka ho fetisisa, e fumanehang boholo ba litlolo tse sireletsang letsatsing' marakeng oa U.S. mme e ka etsa liperesente tse 6 tsa botlolo.

Leha ho le joalo, Hawaii e thibetse motsoako ona kamora phuputso, e entsoeng ke lab ea tikoloho ea Haereticus, e fumane hore motsoako o kentse letsoho ho soeufatseng le ho chefo ea mafika a likorale. Bakeng sa mabaka a tikoloho, o tla batla ho qoba sesebelisoa sena mme o batle "li-sun" tse "tala".

Haufinyane tjena re fumane hore letlalo la rona le monya metsoako e sireletsang letlalo letsatsing joaloka oxybenzone. Sena se bakile leqhubu la thahasello ho "sunscreen" tse sireletsehileng, leha thuto e tlaleha hore ha ho kotsi e fumanoeng mme e fihletse qeto ea hore "liphetho tsena ha li bontše hore batho ka bomong ba lokela ho qoba tšebeliso ea setlolo se sireletsang letlalo letsatsing."

hape netefatsa hore oxybenzone ha e bontše haholo pherekano ea endocrine.

Lintlha tse potlakileng

  • E amoheloa ka: United States (ntle le Hawaii), Australia, Europe
  • E thibetsoe ho: Japane
  • Molemo ka ho fetisisa bakeng sa: Tšenyo ea letsatsi le thibelo ea ho chesa
  • Likorale li sireletsehile? Che, e kanna ea ama le litlhapi
  • Tlhokomeliso: Mefuta e bonolo ea letlalo e tla batla ho tlola litlatsetso le sesebelisoa sena

4. Octinoxate

E fumanoa li-sunscreens tsa lik'hemik'hale

Octinoxate ke sesebelisoa se tloaelehileng le se matla sa UVB, se bolelang hore se sebetsa hantle bakeng sa thibelo ea tšenyo ea letsatsi. Ha li kopantsoe le avobenzone, ka bobeli li ka fana ka tšireletso e pharaletseng khahlanong le ho chesa le ho tsofala.

Sesebelisoa sena se lumelloa ka lihlahisoa (ho fihlela ho liperesente tsa 7.5), empa se thibetsoe Hawaii ka lebaka la likotsi tsa tikoloho ea mafika a likorale.

Lintlha tse potlakileng

  • E amoheloa ka: Linaha tse ling tsa U.S., Europe, Japane, Australia
  • E thibetsoe ka: Hawaii, Key Bophirimela (Florida), Palau
  • Molemo ka ho fetisisa bakeng sa: Thibelo ea ho chesoa ke letsatsi
  • Likorale li sireletsehile? Che, e kanna ea ama le litlhapi

5. Avobenzone

E fumanoa li-sunscreens tsa lik'hemik'hale

Avobenzone e tloaetse ho sebelisoa ho thibela mefuta e felletseng ea mahlaseli a UVA mme ho tlalehoa e le 'e sa tsitsang' ho li-sunscreen tsa 'mele.

Ka boeona, motsoako o senya botsitso ha o pepesetsoa leseli. Ho loants'a sena, hangata e kopantsoe le lisebelisoa tse ling (joalo ka mexoryl) ho tsitsisa avobenzone.

Linaheng tse ngata, avobenzone e sebelisoa hammoho le zinc oxide le titanium dioxide ka ho khetheha, empa United States, motsoako ha oa lumelloa.

Le ha e fumaneha ka har'a li-sunscreen tse pharaletseng, hangata e kopantsoe le lik'hemik'hale tse ling hobane avobenzone ka boeona e tla lahleheloa ke bokhoni ba eona ba ho sefa nakong ea hora ea khanya.

Naheng ea Amerika, FDA e nka motsoako ona o bolokehile empa e thibela palo ea mahloriso hore e be liperesente tse 3 ho lihlahisoa tsa setlolo se sireletsang letsatsi.

Lintlha tse potlakileng

  • E amoheloa ka: United States, Australia, Europe
  • E thibetsoe ka: Ha ho letho; tšebeliso e thibetsoeng Japane
  • Molemo ka ho fetisisa bakeng sa: Thibelo ea tšenyo ea letsatsi
  • Likorale li sireletsehile? Methati e ka bonoang empa ha ho kotsi e fumanoeng

6. Thaethaniamo dioxide

E fumanoa li-sunscreen tsa 'mele

Ho na le metsoako e 'meli e sireletsang letlalo letsatsing eo ka kakaretso e nkoang e bolokehile ebile e sebetsa, kapa ke GRASE, ke FDA,' me ka bobeli ke metsoako ea setlolo se sireletsang letlalo letsatsing. (Tlhokomeliso: lengolo la GRASE le boetse le bolela hore lihlahisoa tsa FDA tse nang le metsoako ena.)

Ea pele, titanium dioxide, e sebetsa e le sefahleho se sephara sa UV (leha e sa thibele mahlaseli a UVA1 a malelele).

FDA e amohela titanium dioxide bakeng sa eona, 'me lipatlisiso li bontša hore ka kakaretso e sireletsehile ho feta li-sunscreens tse ling ka ho pepesa letlalo.

Leha ho le joalo, bafuputsi ba ngola hape hore matla le liforomo tsa spray li lokela ho qojoa kaha ho ka ba kotsi. Litemana tsa hore titanium oxide nanoparticles ka ho pepeseha ka molomo li khetholloa e le "mohlomong e baka kankere ho batho," ho bolelang hore ho entsoe lithuto tsa liphoofolo feela.

Hopola hore motsoako ona ha o felle feela setlolo se sireletsang letlalo letsatsing. E ka boela ea fumanoa ho litlolo tsa SPF, li-powders tse hatelitsoeng, litlolo le lihlahisoa tse soeufatsang.

Lintlha tse potlakileng

  • E amoheloa ka: United States, Australia, Europe, Japane
  • E thibetsoe ka: Ha ho letho
  • Molemo ka ho fetisisa bakeng sa: Thibelo ea tšenyo ea letsatsi
  • Likorale li sireletsehile? Methati e ka bonoang empa ha ho kotsi e fumanoeng
  • Tlhokomeliso: Mekhoa e ka 'na ea siea letlalo le lesoeu letlalong le lefifi,' me motsoako o ka baka kankere ka sebopeho sa phofo

7. Zinc oxide

E fumanoa li-sunscreen tsa 'mele

Zinc oxide ke sesebelisoa sa bobeli se sireletsang letsatsing sa GRASE, se lumelletsoeng ho fihlela liperesente tsa 25.

Liphuputso li bonts'a e bolokehile, ka ho kenella ka letlalo, leha e se e sebelisitsoe khafetsa. Europe, motsoako ona o ngotsoe temoso ka lebaka la chefo ho bophelo ba metsing. Motsoako ha o bake kotsi ntle le hore e metsoe kapa e heme.

Ha e bapisoa le avobenzone le titanium oxide, e boleloa e le e ka fotoang, e sebetsang ebile e bolokehile bakeng sa letlalo le thata. Ka lehlakoreng le leng, lipatlisiso li boetse li re ha li sebetse hantle joaloka li-sunscreen tsa lik'hemik'hale, ebile ha li sebetse hantle ho itšireletsa khahlanong le ho chesoa ke letsatsi joalo ka ts'enyo ea letsatsi.

Lintlha tse potlakileng

  • E amoheloa ka: United States, Australia, Europe, Japane
  • E thibetsoe ka: Ha ho letho
  • Molemo ka ho fetisisa bakeng sa: Thibelo ea tšenyo ea letsatsi
  • Likorale li sireletsehile? Che
  • Tlhokomeliso: Mefuta e meng e ka siea samente e tšoeu bakeng sa molumo oa letlalo la mohloaare le lefifi

8 le 9. PABA le trolamine salicylate PABA

E fumanoa li-sunscreen tsa lik'hemik'hale (PABA) le tsa 'mele (trolamine)

E tsejoang hape e le para-aminobenzoic acid, ena ke sesebelisoa se matla sa UVB. Ho tsebahala ha motsoako ona ho fokotsehile ka lebaka la hore e eketsa alejiki dermatitis hape e eketsa photosensitivity.

Boithuto liphoofolong le bona bo bontšitse maemo a itseng a chefo, ho lebisang ho Khomishene ea Europe le FDA ho thibela likhakanyo tsa lebese ho liperesente tse 5. Leha ho le joalo, Canada e thibetse ts'ebeliso ea PABA ka litlolo ka botlalo.

Trolamine salicylate, eo hape e tsejoang e le Tea-Salicylate, e ile ea nkuoa e le GRASE ka 2019, empa ke sesebelisoa se fokolang sa UV. Ka lebaka la sena, motsoako o lekantsoe ka liperesente tsa ona haufi le lisebelisoa tse ling tsa GRASE.

Lintlha tse potlakileng

  • E amoheloa ka: United States (ho fihlela ho 12-15%), Australia (trolamine salicylate feela), Europe (PABA ho fihlela 5%), Japane
  • E thibetsoe ka: Australia (PABA), Canada (ka bobeli)
  • Molemo ka ho fetisisa bakeng sa: Tšireletso ea ho chesoa ke letsatsi
  • Likorale li sireletsehile? Ha e tsejoe

Hobaneng ha sesebelisoa sa khanya ea letsatsi se amoheloa joalo ka US?

Tlhophiso ea United States ea setlolo se sireletsang letlalo letsatsing e le sethethefatsi ke le leng la mabaka a maholohali a hore e amohelehe butle. Sehlopha sa lithethefatsi se tla hobane sehlahisoa se rekisoa e le mokhoa oa thibelo ea ho chesoa ke letsatsi le mofetše oa letlalo.

Australia, setlolo se sireletsang letlalo letsatsing se khetholloa e le setlhare kapa setlolo. Kalafo e bua ka li-sunscreens moo ts'ebeliso ea mantlha e sireletsang letsatsi mme e na le SPF ea 4 kapa ho feta. Setlolo se bua ka sehlahisoa sefe kapa sefe se kenyelletsang SPF empa se sa reretsoe ho ba tšireletso ea hao feela. Yuropa le Japane ba khetha setlolo se sireletsang letlalo letsatsing e le setlolo.

Empa kaha FDA e nkile nako e telele ho amohela metsoako e mecha (ha ho le e 'ngoe e fetileng ho tloha ka 1999), Congress e hlahisitse Sunscreen Innovation Act ka 2014. Morero ke ho etsa hore FDA e lekole tumello ea bona ea morao-rao ea lisebelisoa tse sireletsang letsatsi, ho kenyeletsoa tse ncha tse li romelloa kamora hore ketso e tekennoe, ka Pulungoana 2019.

Mabapi le likhetho tsa khanya ea letsatsi, bareki ba bangata ba fetohile ho reka setlolo se sireletsang letlalo letsatsing marang-rang ho tsoa linaheng tse ling. Hase kamehla ho ka bang joalo ka lebaka la metsoako ka boeona. Joalokaha ho boletsoe pejana, litlolo tsa letsatsi tse tsoang mose ho maoatle li entsoe joalo ka litlolo, 'me ho tlalehoa hore li monate ho sebelisoa, ha ho bonolo hore li tlohe samente e tšoeu ebile ha li na mafura.

Mme leha e se tlolo ea molao ho reka setlolo se sireletsang letlalo letsatsing kantle ho naha, ho li reka ka barekisi bao e seng ba semmuso ho Amazon ho thata. Lihlahisoa li kanna tsa felloa ke nako kapa tsa fake.

Holim'a moo, lihlahisoa tsena tsa mose ho maoatle li ka thatafalloa ho fihlella kamora hore tlhahiso e sebetse.

Khabareng, basebelisi ba litlolo tse sireletsang letsatsi joaloka rona ba tlameha ho ithuta ka lisebelisoa tsa setlolo se sireletsang letsatsi le mehato ea thibelo

Hape ho na le melao ea khauta ea ho sebelisa setlolo se sireletsang letlalo letsatsing. Ho kenya kopo hape lihora tse ling le tse ling tse peli ho bohlokoa - haholo haeba o le kantle joalo ka ha linomoro tsa SPF e se sesupo sa hore na o lokela ho lula letsatsing nako e kae.

Litlolo tse sireletsang mahlo letsatsing li sebetsa hanghang kamora ho sebelisoa ha li-sunscreen tsa lik'hemik'hale li nka metsotso e 15 ho isa ho e 20 ho qala ho sebetsa.

Qoba boitsebiso bo fosahetseng hape. Litlaleho le lipatlisiso li bontša hore litlolo tse sireletsang letsatsing tsa DIY ho Pinterest li tumme haholo, leha li-sunscreen tsa DIY li sa sebetse ebile li ka eketsa tšenyo ea letlalo.

Haele hantle, leha li-sunscreen tse tsoang linaheng tse ling li kanna tsa ba ntle haholo, ha se lebaka la ho ts'oara "bakeng sa khetho e ntle" ho fihlela FDA e ba amohela. Setlolo se sireletsang letlalo letsatsing se molemohali seo u ka se sebelisang ke seo u seng u ntse u se sebelisa.

Taylor Ramble ke motho ea chesehelang letlalo, sengoli se ikemetseng le moithuti oa lifilimi. Lilemong tse hlano tse fetileng o sebelitse e le sengoli se ikemetseng le blogger a shebile lihlooho tse tsoang ho bophelo bo botle ho isa moetlong oa pop. O rata ho tants'a, o ithuta ka lijo le setso, hammoho le matlafatso. Hona joale o sebetsa Univesithing ea Georgia ea Virtual Reality Lab e shebaneng le phello ea mahlale a tsoelang pele mabapi le boits'oaro le bophelo bo botle.

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