Deredza dambudziko rekushisa kwezuva uye kenza yeganda
Kana iwe wakambove wakatarisana nekisikiti chetemberi panzvimbo yako yekushandisa zvinodhaka, unoziva kuti zvinotyisa zvakadini. Iyo mabhodhoro uye mabhuni ose azere nezvinyorwa zvishoma, zvakadai seSSPF, UVA, uye UVB. Uye zvimwe zvingasarudzwa zvakadai semvura uye kusagadzikana kwemvura zvinongowedzera kuvhiringidzika. Uyewo, usakanganwa marongerwo emhando dzakawanda zvaunofanira kusarudza kubva.
Asi, kana uchinge uchinetseka uye uregererwa kutora matanho akakodzera okudzivirira ganda rako, ungangozviwana uine kupisa kwezuva (kana kuti kuipa) uye usingakwanisi kufara nguva yako muzuva.
Saka, ngatitorei zvakanyanya nyika yezuva kuchengetedzwa kwezuva, saka iwe unogona kugadzirirwa zvakanaka.
Sun Protection Factor
SPF inomiririra zuva kudzivirira chinhu. Inokuudza kuti ungatora nguva yakareba sei uchigara muzuva usingatori kupisa paunenge uchipfeka zuva iro rechenesi maererano nekusvika kwenguva yakareba sei iwe ungagona kugara muzuva usati watanga kupisa usina kupfeka zuva iroro. Mune mamwe mazwi, taura kuti zvinokutora iwe maminitsi gumi nemashanu kuti upise usina kupfeka zuva rekona. Kushandisa SPF 10 kunoreva kuti zvichakutora nguva gumi kuti upise, kana maawa maviri.
IAmerican Academy of Dermatology inokurudzira kupfekedza SPF 30 kuti zvidzivirire zvikuru. Asi, unogona kunge uchifunga iwe pachako, " Asi kune sunscreens ne SPF 70. Handizvo zvakanyanya kudzivirirwa here? " Kwete kwete.
A SPF yakakwirira haina kureva kuchengetedzwa zviri nani. An SPF 50 inongopa 1 kusvika ku2 muzana kudzivirirwa kupfuura SPF 30. Girasi rezuva rine SPF yakakwirira rinogona kudzivirira ganda rako kwenguva yakareba, asi funga nezvemaitiro chaiwo panguva yatinopfeka shangu yezuva: tiri kushambira, kutuka, uye kubvisa.
Hapana chekudzivirira kwezuva, kana SPF 15 kana 60, inogona kumira iyo. Chero chekudzivirira kwezuva, pasinei neSPF, inofanira kushandiswa kakawanda, kunyanya mushure mekushambira, kuputika, uye kuoma.
UV Index
IUV (ultraviolet) index inofanirwa zuva nezuva yehuwandu hwemazuva ano masikati kana masikati apo mazuva ezuva ari pakanyanya.
Nhamba yeUV inotaridzika pachiyero chimwe chete kusvika ku11+, uye ichi chiratidzo chechepakati chepasi rose rekuvhenekera UV uye 11+ ichiratidza dambudziko guru rekushandiswa kweVV.
Pane zvinhu zvakawanda zvinotarisa huwandu hweUV, kusanganisira nguva, latitude, uye urefu. Izwi reUV rinonyanya kupera munguva yechando uye yezhizha. UV radiation yakakwirira pane ye equator, saka iwe unoswedera pedyo nayo, inowedzera mashizha. Mhepo inowedzerawo kuderera panzvimbo dzakakwirira, iyo inokonzera mazai eWV kuti awedzere nehupamhi.
UVA vs. UVB Kudzivirira
Misi yeUVA ndiyo inonyanya kukonzera kukwegura kwezuva rinenge riri paganda asi UVB rays inokonzerwa nekupisa kwezuva uye kenza yeganda. Zvisinei, zvakakosha kuziva kuti kuwedzera kwemazizi eUVA kunogona kutungamirirawo kumucheche weganda .
Ita rebhuruki yezuva icharatidza kana inopa UVA kana UVB kudzivirira. Kuti udzivise kenza yeganda uye kutanga kweganda kukwegura, zuva rechenesi rinofanira kudzivirira kumativi maviri eUVA neVVB, pamwe nekushambadzira SPF kwevamwe 15. Zvimwe, vhudzi rezuva rinongodzivirira kupisa kwezuva uye kwete chirwere cheganda.
Uyewo ona kuti SPF inongoridza udziviriro hweVVB, saka sarudza chigadzirwa chinotaura kuti "UVA / UVB" kudzivirirwa kana kuti "yakadzika" inodzivirira.
Mvura inopesana neMvura Resistant
Uwandu hweSPF hunovhiringidzwa apo ganda rako rinosangana nemvura.
Izvi zvinoreva kuti unofanirwa kushandisa zvakare chisiki chezuva nokukurumidza kana iwe uri kunze kwemvura kana iwe uri kutora chikamu pane basa rauri kufema.
Kana uri kutsvaga shisi yezuva kuti ushandise iri mumvura, sarudza ganda rezuva rino "risina mvura" kana kuti "kusadzivirira mvura." Mvura yezuva inonzi sunscreens haisati yakakwana isina mvura asi inodzivirira mumvura kwemaminitsi 80. Mvura isina simba yemasikati inopa maminitsi makumi mana ekuchengetedza.
Shoko Rinobva
Kubva sezvo SPF zvikwereti zvakanyatsorongedzwa neDFA, mazita eSPF akasiyana nekambani kune imwe kambani, saka kuchinja pakati pezvikwata hazvisi dambudziko.
Zuva rezuva rezuva rakachena kune iwe ndiwe iwe unogona kunge wakapfeka. Saka, iva nechokwadi chekuwana iyo yaunofarira kunzwa, kunhuhwirira, nekugadzirwa kwepanguva uchifananidza nehuwandu hweSSPF hunodiwa nehuni hwehupi rako.
Uyewo, rangarira kuchengeta mazano aya ekuchengetedza kwezuva mupfungwa:
- Kunyatsoshandisa sunscreen kumuviri wako wose wozvishandisa zvakare.
- Zvisinganzwisisiki, zvinoputira micheka zvechokwadi zvinorega huwandu hwakawanda hwehutachiona hweUV huchidarika.
- Chikoro chezuva chinofanira kushandiswa mumuviri wose, kunyange pane zvikamu zvakaputirwa nenguvo.
- Kupfeka zvipfeko zvePFF zvakachenjera , asi hazvisi nguva dzose inoshandiswa.
- Kupfeka chikafu chakakura-brimmed.
- Dhavhara ganda rakazaruka.
- Gara mumumvuri zvakanyanya.
- Kana uri kutora ngarava, zvakakosha kuziva kuti UV index yakareba zvakanyanya pedyo neEquator uye kana yakakombwa nemvura inoratidza chiedza chezuva. Girasi rezuva risina mvura neSSPF 30 uye kudzivirirwa kwemavara akawanda ndezvokutengesa kwako kwakanakisisa.
> Kwakabva:
> US Food and Drug Administration. Nzvimbo Yezvokuchengetedza Zvokuchengetedza uye Kushandiswa Kwezvokudya Zvokudya Zvokudya zveCompress Factory uye Colors Fact Sheet.