I-Sunscreen - ulwazi olubalulekile ekukhetheni ikhambi elifanele

Imisebe ye-ultraviolet inhle kakhulu empilweni yesikhumba, kodwa ngokulinganisela kuphela. Nciphisa imiphumela yabo futhi uvikele i-epidermis ekusizeni okwenyukayo nge-SPF. Kubalulekile ukuthi ukwazi ukukhetha ngokufanele futhi ukusebenzisa lezi zimonyo, ukuhlukanisa umkhiqizo osebenzayo ovela ezikhwameni eziphansi.

Isici sokuvikelwa kwelanga

Kunezinhlobo ezimbili zemisebe - A no B. Uhlobo lokuqala (UVA) alubangeli ukushisa esikhumbeni nokubomvu kwalo, kodwa kwenza okungalimaza ngesimo sokusheshisa izithombe ezitholakalayo nokukhuthaza ukuthuthukiswa komdlavuza. Ukwedlula uhlobo lwesibili lwemisebe (UVB) luhambisana ne-hyperemia nama-blisters ku-epidermis, inzwa yokushisa nokushaywa. Ukuvikela kwe-SPF kusebenza kuphela ngokumelene ne-B-ray. Amakhemikhali anezihlungi ezivela ku-UVA afakwe ngaphezu kwe-PPD index.

Ukubaluleka kwe-SPF kubonisa ukuthi kaningi isikhumba siphelela kangakanani ukuba sibe ngaphansi kwelanga. Isibonelo, isibalo sama-50 eduze kwesici sokuzivikela sisho ukuthi i-epidermis, igcwele ukhilimu, iphikisana ngokuphepha ngokuphindwe izikhathi ezingu-50 zombala we-B B ultraviolet ngaphandle kokusebenzisa ukwakheka. Izimali nge-SPF akufanele zisetshenziselwe ukunweba ukuhlala ebhishi, ikakhulukazi phakathi kwamahora angu-10 no-16. Zenzelwe ukunciphisa ingozi yokushisa lapho kucindezelwa ukuba zivezwe emisebeni ye-ultraviolet.

I-SPF 15 ye-Sunscreen

Imikhiqizo enenani elibekiwe le-factor factor protective inikeza izinga eliphezulu lokuhlunga imisebe. I-SPF 10-20 ye-sunrise igcizelela ukubonakala kwe-95% UVB ultraviolet. Ngesikhathi esifanayo, izimonyo ezibuzwayo zandisa ukumelana kwesikhumba emibi emibi ngezikhathi ezingu-15. I-sunscreen enjalo iphelele kubantu abahlala emadolobheni abaphoqeleka ukuba bahlale ekhanyeni isikhathi eside. Esigwini se-SPF 15 singathatha abantu abanesikhumba esikhukhulayo, abanikazi be-eperemia "ye-porcelain" kungcono ukuthenga ezinye izidakamizwa.

I-SPF 30 yeskrini

Izimonyo ezinenani elichazwe libhekisela ezindleleni ezihamba phambili zokuhamba ngezinyawo. I-SPF 30 ye-sunscreen ivame ukuphakanyiswa, kepha kukhona umkhiqizo ofanayo womzimba. Izihlungi kulezi zilungiselela zibonisa cishe amaphesenti angu-97 emisebe ye-ultraviolet. I-SPF ebusweni noma emzimbeni 30 iqinisa ukumelana kesikhumba ku-UVB izikhathi ezingu-30 futhi kuvimbela ukushiswa kwe-epidermis. Imikhiqizo yezimonyo ezinikezwayo ibhekwe njengento yonke, ngoba ifaneleka kunoma yiziphi izinhlobo zombala.

I-SPF 50 ye-sunscreen

Lo mkhiqizo ubizwa nangokuthi i-san block, uhlinzeka ukuvikeleka kusuka ku-99.5% wehlobo B ultraviolet. I-SPF 50 ye-sunsc, ngokumaka okungeziwe kwe-PPD kuzosiza ekuvimbeleni ukufakwa kwesithombe kwesikhumba. Lezi zidakamizwa zivimbela ukuthuthukiswa kwe- melanoma ne-squamous cell dermal umdlavuza. I-sunscreen enenani le-factor factor protective 50 iyisidakamizwa esinamandla kunazo zonke ezingxenyeni ezicatshangelwe. Kufanele abanikazi be-swarthy, futhi isikhumba esilula kakhulu.

I-SPF 100 yelanga

Amaqiniso achaziwe ngenhla abonisa ukuthi ukubaluleka kwesici sokuvikela kungaphezu kuka-50 - indlela yokuthengisa evamile. Ungathengi isibonisi esinjalo sokukhanya kwelanga - ama-100% wemisindo ye-ultraviolet ayikwazi ukuhlunga noma yimuphi umkhiqizo wezithokozi. Izidakamizwa ezichazwe ngokuvamile azihlangabezani nezinqubo zekhwalithi yezokwelapha futhi ziqukethe ama-parabens amaningi enza isikhumba sibe yingozi nakakhulu kune-ultraviolet.

Ukwakhiwa kwe-sunscreen

Ngaphambi kokuthenga izimonyo ezithandwayo, kubalulekile ukutadisha ngokucophelela izithako zayo. Ngokuyinhloko kubonisa ukuthi i-sunscreen - engcono futhi ephephile, ivikela isikhumba ngokuqinile emisebeni ye-UV. Ngezindlela ezinhle, kunezinhlobo ezimbili zokuhlunga:

  1. I-zinc-zinc oxide kanye ne-titanium dioxide. Lezi zakhi zisebenza njengezibonakaliso, zihlala ebusweni be-epidermis ne-screen ultraviolet imisebe.
  2. I-Chemical - benzophenone, i-octinoxate noma i-avobenzone. Izingxenye ezinjalo zifakwa esikhunjeni futhi zihumusha amandla welanga zibe ukushisa, zibavikele kuzo zombili izinhlobo ze-ultraviolet (A no-B). Nakuba kungekho ukuqinisekiswa kwezokwelapha kwalolu hlelo, ngakho-ke, ama-dermatologists ancoma ngokucophelela ukusebenzisa i-sunscreen ngokuhlunga kwamakhemikhali.

Ezinye izithako zomzimba ezihlinzeka ukuvikelwa kusuka ku-ultraviolet:

Izingxenye zamakhemikhali:

Ngaphezu kwalokho, izindlela ezichazwe kufanele zifake izinhlanganisela ezivimbela ukuma nokucasula kwesikhumba. Isikrini selanga esinomsoco nesiphuthumayo sekhwalithi elihle liqukethe:

Isikrini se-sun for face

Abesifazane basebenzisa njalo noma ngisho nsuku zonke ukusebenzisa izimonyo. Izidakamizwa eziningi ezinikezwayo azihlanganisi kahle, zingabangela ukubonakala kwe-gloss fat phezu kwesikhumba, ukwakheka kwama-comedones, noma ukuguquka kwe-pigment ku-tonal. Ngaphambi kokuthenga umkhiqizo wokuvikela, ama-dermatologists ayelulekwa ukuba afunde ukulinganisa kwama-sunscreen ngohlobo ngalunye lwe-epidermis. Lokhu kuzosiza ukukhetha okusebenza kahle kakhulu futhi ngesikhathi esifanayo izimpahla zekhwalithi.

Isikrini se-sun for isikhumba samafutha

Abanikazi bezinhlayiya ezikhuthele ngokweqile kanye neziphambeko ezithile (ama-acne, ama-acne) kufanele abheke izimonyo ezingekho emzimbeni ngaphandle kwamafutha omaminerali ngenani eliphakeme lesici sokuvikela. I-sunscreen ebusweni 50 (i-SPF) yenkinga, inhlanganisela noma isikhumba samafutha kunconywa ukuba ukhethe ohlwini olulandelayo:

Isikrini selanga esikhumbeni esomile

Uma i-epidermis ijwayele ukuhlunga nokucasula, kubalulekile ukuyiphatha ngama-agents agqugquzela ukuhluma. Umholi kule ngxenye yi-Korean sunshcreen Lacvert SunBlock Ultra Defense. I-analogue ephansi eshibhile kodwa ebonakala ngendlela ebonakalayo yi-3W Clinic Iningi le-UV SunBlock Cream. Isikrini selanga esondayo sobuso SPF 25-50 singakhetha kusuka ezintweni ezinjalo:

Isikrini soSwashisa esilukhulile

Ehlobo, le mikhiqizo ingathatha indawo yezimonyo zokunakekelwa kwezinsuku, ngakho ezinye zazo ziyalungiswa ngezithako ezivuselelayo. I-sunscreen nomphumela wokulwa nokuguga iqukethe ama-coenzymes nama-antioxidants, ngaphezu kwalokho kufaka izithako zokugcoba. Lokhu akuhlinzeki nje kuphela ukululaza kwamapulangwe, kodwa futhi ukulungisa ezinye izimpawu zokuguga. I-sunscreen ebusweni kusuka emabala yobudala nemibimbi:

Isisekelo se-sunscreen

Abanye abakhiqizi banikela ngemikhiqizo ngezakhiwo zezimonyo zokuhlobisa. Gwema ukugqoka ama-mask amaphutha ngokuphelele, ubambelele ithoni kanye ne-matt ngenkathi uvimba umphumela wemisebe ye-ultraviolet. I-sunscreen engcono kunazo zonke ebusweni nalezi zimfanelo kunconywa ukuba ukhethe kusuka kulokhu okulandelayo:

I-Cream Body Cream

I-skin pathologies yesikhumba ngokuvamile ikhula ngokumelene nesizinda se-irradiation yama-moles ngemisebe ye-ultraviolet. Ukuya ogwini noma ukuhamba ngokuzungeza umuzi ekugqoke izingubo zokukhanya, kubalulekile ukuphatha izidakamizwa ezikhethekile izindawo ezivulekile, ikakhulukazi uma zinezivunguvungu . I-Sunscreen Ehamba phambili:

Ukuze uzwele futhi uthandeke ekuthinteni isikhumba esiphundu, udinga ukhethe ukhilimu onakekelayo wokushisa ilanga:

I-sunscreen yabantwana

Isikhumba samantombazane sibhekene nemisebe yombili ye-ultraviolet kanye nama-chemical compounds akhiqiza emikhimbini yezimonyo. I-sunscreen yezingane kufanele ibe yendalo ngokwemvelo futhi i-hypoallergenic. Ingane akufanele inikezwe izidakamizwa nge-parabens, "amafutha" anesisindo samaminerali kanye nama-preservative ayingozi. I-Dermatologists icebisa ukuthenga amagama alandelayo for cream titration for babies: