Uyazi ukuba i-sunscreen iyimfuneko kwi-skincare yakho yesiqhelo, kwaye kungekhona nje ukuthintela ukushisa kwelanga. Ukusetyenziswa rhoqo kwesikrini se-sunscreen kuya kuncedisa ukuguga ngaphambi kokuguga , amabala amnyama, ithoni yesikhumba engalingani, kunye nomhlaza wesikhumba .
Unokukhetha ngakumbi ngoku kunanini ngaphambili, ngokukodwa kwindawo yendalo yelanga. Kodwa zonke ezo zikhetho zinokuba nzima kakhulu.
Siyakuphulaphula konke apha apha, ukukunceda wenze ukhetho olufanelekileyo lwelanga kunye nentsapho yakho.
(Njengecala, imboni yobuhle kunye nesayensi inegama elichaseneyo kakhulu.) Ngokwenzululwazi, yonke into yenziwe ngamakhemikhali: i-suncreen, amanzi, imithi, wena, kunye nami. isetyenziswe ukubhekisela kuyo nayiphi na eyenziwe ngumntu okanye engeyendalo. Ngoko ke, ngenxa yeenjongo zethu ngoku siya kusebenzisa iikhemikhali kunye nexesha elide lokusetyenziswa ngokuchanekileyo.)
Kutheni Ukhetha I-Sunscreen Yendalo?
Wonke umntu okhetha ukuhamba kunye nesitrato sasemhlabeni wenza oko ngenxa yezizathu zabo, kodwa nantsi ezinye zezona ziwayo:
- Ukunciphisa ukunyuka kweekhemikhali zokwenziwa. Uninzi lwabantu lukhetha i-sunscreen yemvelo kuba ikhangele ukunciphisa inani lemichiza abaye bayibonakalisa kuyo yonke imihla. Abanye abantu abazithembi izithako zamakhemikhali kwaye abafuni ukubeka elukhumbeni lwabo. Ekupheleni kwexesha, ezinye izithako ezifunyenwe kwiikhemikhali ze-sunscreen ziye zahlolwa. I-Oxybenzone iboniswe ukuphazamisa ama-hormone, ubuncinane kwiirati zebhabhi. Ezinye izithako ezisebenzayo kwiimveliso ze-sunscreens ziye zadibaniswa nokuphazamiseka kwe-hormone kunye nomhlaza. Kwakhona, ezi zithako azibonakalwanga zingaphephile. Akukho bungqina obuqinileyo bokuthi nayiphina izithako ezenziwe kwi-sunscreen kubangela ingozi-kubantu ubuncinane.
- Ukunciphisa impembelelo engalunganga kwimeko. Kukho ubungqina bokuba i-sunscreens esekelwe yimichiza ihlambela imo. Ukuya kwindawo ye-beach exotic? Abanye bafuna ukuba usebenzise i-sunscreens esekelwe kwimvelo kuphela, ukukhusela ingozi enokwenzeka kwizinto eziphilayo ezinobunzima.
- I-sunscreen yamashishini ikhubaza isikhumba sakho. Ukuba unesifo esikhuselekileyo, i- eczema , i- psoriasis , okanye ukucaphukisa okulula kwiikhemikhali zelanga , ngoko yendalo inokuba yinto ekhethekileyo kuwe. Izithako ezisebenzayo kwimvelo yelanga (ngaphezulu kwizinto ezisekuhlaleni) akunakuncipha ukukhutshisa isikhumba kunokuba zibandakanya izithako zelanga. Ngoko, abantu abanesikhumba esichukumisayo banokukhusela ilanga ngaphandle kokucasula isikhumba sabo.
Yintoni Enokwenza I-Sunscreen yemvelo "Yendalo?"
Ngokulula, yizona izithako ezisebenzayo kwisitrato selanga ezenza ukuba i-sunscreen yendalo okanye ayikho. EU.S., i-titanium dioxide kunye ne-zinc oxide yizona zithako zelanga zelanga zendalo ezivunyiweyo yi-FDA.
Ukuba ezi zimbiwa zenza izithako ezisebenzayo kwi-sunscreen yakho, "yendalo". Ukuba iqukethe izithako ezisebenzisayo ezifana ne-oxybenzone, i-octinoxate, okanye i-avobenzone, akusiyo yesikrini somhlaza kodwa ilanga lisikrini.
Kodwa, ungavumeli ukuba ixesha eliqhelekileyo likhohlise ukuba ucinge ukuba ufumana i-100 pesenti yemveliso yendalo. Unobuninzi (akuninzi). Khumbula, "inqobo" kwindawo yakho yokukhanya kwelanga kuphela ibhekisela kwiimveliso ezisebenzayo. Zonke ezinye izithako zendalo yelanga ziyakwenziwa ngokupheleleyo.
Ulwahlulo phakathi kwe-Organic Sunscreen kunye ne-Natural Sunscreen
Impendulo emfutshane: i-organic yikota lokuthengisa, ubuncinane apho i-shishini elihle lijongene nalo, kwaye ayinanto enxulumene nezithako ezisebenzayo kwi-sunscreen yakho. Ukuze siphendule ixesha elide, sifanele sijonge apho imboni yobuhle kunye noluntu lwenzululwazi luphinde lwahlula.
Ngokwenzululwazi, izakhi eziphilayo ziqukethe ikhabhoni. I-titanium dioxide kunye ne-zinc oxide ayinayo i-carbon- ayimpahla engekhoyo .
Uninzi lwezithako zokwenziwa kwesikrini zelanga ziqukethe i-carbon, ngoko ke ziyizakhono ezininzi ezininzi zokwenziwa kwesikrini zelanga zinekhabhoni, ngoko ke zinobuchwepheshe .
I-FDA ayinazo izikhokelo ezicacileyo malunga nokuba yintoni eyenza umkhiqizo wemveliso. Ngoko ke, kubonakala sengathi i-counterintuitive, kodwa izithako ze-sunscreen zemvelo ziyizona "ezingenangqiqo," kwaye i-sunscreens yokuvelisa ingabhalwe ngokuthi "i-organic".
Yazi ukuba i-label ye-organic kwi-sunscreen ngokuqhelekileyo ithetha ukuba inokwenza uhlobo oluthile lwezityalo (i-tea extract, umzekelo) owaveliswa ngaphandle kwenkunkuma. I-Organic ayithethi ukuba imveliso yakho i-100 ekhulwini yemvelo, engeyiyo yokwenziwa, okanye isebenzisa izithako ezisemgangathweni.
I-Zinc Oxide kunye neTitanium Dioxide Yiyo kuphela i-Sunscreen ebonakalayo esebenzayo izithako
Njengoko sichazile ngaphambili, i-zinc oxide kunye ne-titanium dioxide yizona zithako ezivunywa yi-FDA ukunika i- SPF yemvelo inkunkuma yakho . I-zinc oxide kunye ne-titanium dioxide ziyiminerali, ngokwemveli zifumaneka emhlabeni. Emva kokungena kwi-sunscreen yakho, kunjalo, ziye zacutshungulwa kwaye zacocwa.
Mhlawumbi uqhelana nale miyeza. Bazali, uya kuqhelana ne-zinc oxide evela kwezinye iimveliso: umntwana kunye ne-creams. I-diaper i-rash creams iqukethe iitoni ze-oksidi ye-zinc; yiso isithako esilusayo kwaye siphulukise umntanama wakho ophantsi.
I-Titanium dioxide isetyenziselwa kakhulu kumashishini okhathalela ulusu. Isetyenziselwa ukwakheka kwamaminerali kunye neziseko, isobho, i-lotions kunye ne-toothpaste. Unokumangaliswa ukuba ufumanisa kwezinye ukutya kwethu, ngakumbi izinto ezifana namacandi kunye nokuhlafuna i-gum, ukudala umbala umveliso owufunayo.
Iimpawu zeMveli zelanga zisebenza ngokungafaniyo
Iimvelo zelanga zendalo zisebenza ngokuhlukileyo kuneendlela zokukhanya kwelanga. Izithako ze-sunscreen zezixhobo zithatha imitha ye-UV. I-zinc oxide kunye ne-titanium dioxide, ngakolunye uhlangothi, ziyi-sunscreens. Abayifaki imitha ye-UV, bayayivimba . Kufana nokuba ne-"ikhuselo" elincinci phezu kwesikhumba sakho sikukhusela ekuphumeni kwelanga.
Kukho isibonakaliso sokuba ukusebenzisa i-sunscreens yesikhatho sesikhathi eside kukunika ukhuselo olungcono ngokubhekiselele kwi- photoaging ngenxa yokuba, ngokungafani ne-sunscreens, ayikho into eyenziwa yikhemikhali.
Zixhomekeke ngakumbi kwi-Sunpreens
Umehluko obalaseleyo phakathi kwama-sunscreen yendalo kunye neyendalo yindlela abayifumene ngayo kwesikhumba. Iimvelo zelanga zendalo zineenkcukacha ezahlukeneyo kunye nokungahambisani nemveliso yakho yelanga. Abantu abaninzi bayichaza ngokugqithiseleyo. Kungathatha ukuxubha okungakumbi ukuze kufumaneke ngokupheleleyo.
Ukuba usetyenziselwa indlela yokwenza i-sunscreens idibeneyo kwi-skin yakho ngaphandle kokulandelelana, unokumangaliswa okokuqala usebenzisa i-sunscreen yemvelo. Bashiya ifilimu encinci ye-opaque ukuya kwi-streaks emhlophe, ngokuxhomekeke kwitshati kunye nokuqulunqa oyisebenzisayo.
I-zinc oxide kunye ne-titanium dioxide ngamaminerali amhlophe amancinci amhlophe, ukuba, ngendlela yabo engokwemvelo, ayifaki kwesikhumba. Kunoko, bahlala phezulu ukuze banqande ilanga. (Cinga ngesilondolozi esikolweni esidala sinamhlophe ngaphaya kwebhulophu yempumlo-leyo yi-zinc oxide.)
Iimveliso eziqukethe i-zinc oxide ene-zinc okanye i-titanium dioxide ziya kudibanisa ngokugqithiseleyo kwaye zifane nesikhumba. Ukuba abazange baphele ngokupheleleyo, bafika behle kakhulu.
Amaminerali amatshini afakwe kumgangatho ogqithisileyo kwaye omncinci, ngoko-ke ayabonakali kangako ekhumbeni. Kodwa oku akunakho ukuphikisana.
Nangona i-zinc oxide kunye ne-titanium dioxide ayinakunyuswa kwiimeko zabo zendalo, xa umhlaba ube ngamaqabunga amancinci amancinci (abizwa ngokuba yi- nanoparticles ) anokungena kwi-body. Imiphumo enokuthi ibe nayo kwimpilo yethu, ukuba ikhona, ayizange ifundwe ngokupheleleyo. Abanye abantu bathanda ukuphepha i-nanoparticles ngenxa yale nto.
Amafutha okutyala aya kukukhusela kwiLanga
Kule ngongoma, ingakumbi ukuba ungumntu okhuselekileyo we-DIYer, usenokuba ucinga nje ngokuzenza i-sunscreen yemvelo ngokwakho. Ngelishwa, akukho nhlobo indlela yokwenza oku kwaye uqiniseke ukuba ufumana i-SPF ofuna ukukhusela isikhumba sakho.
Ngokuchasene noko kwiiblogi ezininzi, iividiyo eziku-intanethi, kunye nokunye okunjalo kunokuthi, akukho mafutha ezityalo, amafutha abalulekileyo, izityalo, njl njl. Enokuzifaka kwesikhumba sakho ukukunika ulondolozo lwelanga lwendalo. Ewe, kuyinyaniso ukuba ezinye izityalo zineempawu zendalo zelanga. Ioli yekhononi kunye neoli ebomvu i-raspberry imbewu yemvelo inokukwazi ukuvimba imibala ye-UV , umzekelo. Kodwa liphantsi , linika kuphela i-SPF 7 kwiyona nto ibhetele kwaye i-SPF 1 yimbi.
Kwakhona, la mafutha awavimbela i-UV kumanqanaba angama-right. Ngamafutshane, bavumela ukukhanya kwe-burn-and-tan kudlule ngaphesheya, kungenzi nto ukukhusela isikhumba sakho. Imithombo efunyanwe nezibango ziye zafakazela ukuba la mafutha anelungelo lokuhlola ilanga kwaye angasetyenziselwa njengelanga lokukhanya kwelanga, ngokucacileyo, ukungaqondisi kakuhle idatha. Ngoko, yeqa le mveliso DIY ukugcina isikhumba sakho.
Uluhlu lokuhlola u-4 lokukhetha i-Sunscreen yemvelo
Ngoku unolwazi olulungileyo olusebenzayo malunga nemvelo yelanga kunye nendlela asebenza ngayo. Ngaba ulungele ukhethe umkhiqizo olungileyo? Olu luhlu luza kukunceda:
- Khangela izithako ezisebenzayo. Ukhangele ngqo i-zinc oxide, nokuba yedwa okanye nge-titanium dioxide. I-oxide ye-Zinc inikeza i-SPF ebonakalayo ebanzi, ngoko kuya kukukhusela kumibini ye-UVA kunye ne-UVB. I-Titanium dioxide iyasebenza kakhulu kwi-UVB kuphela, ngoko ayikukukhusela kwi-spectrum epheleleyo kwaye ayifanele isetyenziswe njengesithako esisisigxina. Kodwa inokukunceda ukuphucula ukusebenza kwe-zinc oxide.
- Khetha i-SPF ye-30 okanye ngaphezulu. Uya kufuna ukuba i-SPF yakho ibe ubuncinane kwi-30. Oku kuqinisekisa ukuba ufumana ukhuseleko olwaneleyo kwixesha elifanelekileyo. I-SPF ingafikelela kuma-50+, kodwa xa ufumana i-SPF 30 ukwanda kwokhuseleko lwelanga ofumanayo kukunyuka.
- Jonga ezinye izithako ukuba ufuna yonke into-yemvelo. Ayikho imilinganiselo emiselweyo yinto ethi "yendalo" yezilwanyana ezinonophelo (njengemveliso yokunakekelwa kwesikhumba kunye nokwenza imveliso) okanye izidakamizwa ezingaphezu kwee-counter (ezifana nemveliso ye-acne kunye ne-sunscreen). Ngoko ke, ukuba ukhangele ukhetho olungaphezulu kwendalo ye-sunscreen (kunye nayiphi na imveliso yokunyamekela kwesikhumba kuloo nto) uya kufuneka wenze uphando oluncinane. Kungenxa yokuba i-sunscreen inezixhobo ezisebenzayo zendalo azenzi ngokwayo i-100 cm ye-natural nature. Isithuthi-ngokuqhelekileyo zonke ezinye izithako ezikwisikrini-sisaqhubeka sinezixhobo zokwenziwa. Oku akubalulekanga ukuba i-sunscreen ibe bhetele okanye ibe yimbi kunabanye. Kuvele nje ukuba luhlobo luni lomkhiqizo owufunayo kunye nokhetho lwakho.
- Yenza isigqibo sokuba ufuna umkhiqizo omncinci okanye ongenawo ama-nanoparticles . Imveliso ebhalwe i- micronized , mhlawumbi ngaphambili okanye kwizithako ezisebenzayo, izokunika i-sunscreen eyithatha ngokugcwele ngokupheleleyo kwaye ishiya i-opacity encinci kwesikhumba. Oku kuya kunika umphumo wokugqibela okhangeleka kwaye uzive ngathi ufana ne-sunscreen yokwenziwa kwezinto onokuyisebenzisa. Ngakolunye uhlangothi, iimveliso ezingekho micronised okanye ezingekhoyo nano ziza kushiya ifilimu emhlophe ngaphantsi kwesikhumba ongenakukuxubha kuyo. Kodwa, ukuba unenkxalabo malunga nokuba yingozi yempilo ye-nanoparticles, oku kunokuba eyamkelekileyo yorhwebo kuwe.
ILizwi
Kukho ulwazi oluninzi ngaphandle kwokhuseleko lwelanga kunye ne-sunscreen, bobabini bemvelo kunye nonjalo-bendalo. Ingaba ngumxholo odidekayo, ngenxa yokuba kukho ulwazi olunxamnye nokuchasene nemveliso emininzi.
Khumbula, nokuba kunjalo, ukuba umkhiqizo onqabileyo welanga unomnye owuthandayo, kwaye uvakalelwa kakuhle kwesikhumba kuba loo mveliso uza kuyisebenzisa. Kwaye ukusetyenziswa okuqhubekayo kwesikrini sakho selanga esiza kukunika ukhuselo olufanelekileyo.
Ukuba usadinga uncedo ekukhetheni umkhiqizo, cela udokotela wakho okanye udematologist ngeziphakamiso zabo.
> Imithombo:
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> I-CM ye-Olsen, i-Wilson LF, i-Green AC, i-Biswas N, uLoyalka J, i-Whiteman DC. "Ukuthintela ukulimala kweDNA kwi-Skin Skin ngo-Topical Sunscreens." Photodermatoloy, Photoimmunology, kunye nePhotomedicine. 2017 Feb 6.
> Ou-Yang H, Jiang Ll, Meyer K, Wang SQ, Farberg AS, uRigel DS. "Ukukhuselwa kwelanga nge-Beach Umbrella vs i-Sunscreen nge-High Solar Protection Factor: I-Trial Clinic Trial." JAMA Dermatology. 2017 uMar 1; 153 (3): 304-308.
> Saewan N, uJimtaisong A. "Iimveliso zendalo njenge-Photoprotection." Journal of Cosmetic Dermatology. Ngo-2015 uMar; 14 (1): 47-63.
> Souza C, Maia Campos P, uSchanzer S, Albrecht S, uLohan SB, kunye. al. "Ukuqhaqhaqhaqhaqha-Umsebenzi wokuqhaqhawula isiHlabathi soKhuseleko olusungulwa yi-antioxidants Ukunikezela isiKhuseli kwi-Universal Solar Spectral Range." I-Skin Pharmacology kunye nePhysics. 2017 uMatshi 21; 30 (2): 81-89.