Masana kimiyya sunyi rahoton cewa duniyar sararin samaniya na duniyarmu tana karuwa a kowace shekara, saboda haka ƙara haɗari da hasken rana yana ɗaukar shi. An riga an karfafa likitoci don amfani da shimfidar wuri ba kawai a rairayin bakin teku ba, amma kowace rana. Wannan cream yana bukatar a bi da dukkan sassan jikin da ke budewa, wato, makamai, wuyansa, kafafu, kafurai da fuska. Duk da haka, domin sakamako na kirim ya zama mai tasiri, dole ne ka zabi shi, shiryu da wasu dokoki, kazalika da sigogi na jikinka, musamman irin fata.
Matsayin kare rana
Kowace gado yana da labaran da ake kira sunan kare rana. An ƙidaya lambobi. Duk wani nau'i na yau da kullum yana da akalla biyu irin alamun. Ɗaya daga cikin su, SPF tana nuna matakin kariya da aka bayar daga cream daga hasken ultraviolet b-hasken rana, ɗayan, UVA - matakin kariya daga hasken ultraviolet.
Mafi sanarwa daga cikinsu shine SPF saiti. Idan ka ga wannan raguwa a kan kunshin cream, to, zaku iya tabbata cewa wannan cream shine hasken rana. Lambar, wanda yake daidai da SPF, yana nufin sau da yawa lokacin haɓakar rana ya ƙara ƙaruwa da aikace-aikacen wannan magani.
Alal misali, idan a kan fata fatawar farko ta bayyana sa'a daya bayan an cigaba da kaiwa rana, to ka'ida, tare da aiki mai amfani da kariya mai karewa tare da SPF daidai da goma, zaka iya zama a cikin rana ba tare da lalacewar fata ba har kimanin sa'o'i goma (ko da yake likitoci Irin wannan lokacin da za a zauna a karkashin rana ba a ba da shawarar ba). Ana samun wannan sakamako tare da taimakon wasu magunguna na musamman waɗanda suke da wani ɓangare na cream, irin su fatar jiki mai kyau na titanium dioxide, wadda ke aiki a cikin irin micromirrors da yawa waɗanda zasu taimaka wajen nuna hasken ultraviolet.
Wannan fasalin SPF zai iya bambanta daga biyu zuwa hamsin. 2 - shi ne mafi kariya mafi kariya, wanda ke kare rabin rabin cututtukan ultraviolet - UV-B. Mafi yawancin su shine SPF 10-15, waɗanda suke da kyau don kare lafiyar fata. Matsayin kariya mafi girma a cikin SPF 50 - suna tace har zuwa 98% na radiation cutarwa.
Yawancin masu amfani da kwaskwarima suna amfani da tebur Thomas Fitzpatrick don sanin irin fata na fata (phototype), dangane da mataki na aikin melanocyte.
A wannan sikelin, akwai nau'i shida na fata. Kwanan nan na biyu a nan ba za mu ba, domin mutane da irin wannan fata suna rayuwa a Afirka da sauran kasashe masu zafi. Daga cikin Turai akwai hotuna hudu. Nau'insa ba shi da wuya a ƙayyade, ga dukiyar kowannensu.
Ina phototype
Very fata fata tare da pinkish tinge. Sau da yawa akwai freckles. Yawancin lokaci yana da gashi mai launin shuɗi (blondes) ko mutanen ja da kyawawan fata. Fatar jikinsu yana da wuya ga tan, yana ƙone sosai da sauri. Sau da yawa wannan minti 10 ne. A gare su, kawai cream tare da kariya mai kariya, tare da SPF ba kasa da 30 ba, zai dace da su - sauran kuɗin da ake da shi ba zai taimaka ba.
II phototype
Hoton na biyu na fata shine haske, ƙuƙumma suna da wuya, gashi yana haske, idanu suna kore, launin ruwan kasa, launin toka. A gare su, lokacin kwanan wata don ci gaba da daukan rana zuwa rana ba ta wuce kashi huɗu na sa'a ba, bayan haka yiwuwar samun ƙarfin baki yana ƙaruwa. Ya kamata su yi amfani da creams tare da SPF daidai da 20 ko 30 na farko da mako na rana mai zafi, bayan haka dole a canza cream zuwa wani, wanda yana da ƙananan matakan sau 2-3.
III phototype
Dark fata, idanu launin ruwan kasa, gashi yawanci duhu launin ruwan kasa ko chestnut. Lokacin sanyi a rana ta kusan rabin sa'a. Sun fi so su yi amfani da ruwan tsami tare da SPF daga 15 zuwa 6.
IV phototype
Brunettes tare da fata fata da duhu idanu. Suna iya zama a cikin rana don zuwa minti 40 ba tare da konewa ba. A gare su, cream tare da SPF daga 10 zuwa 6 shine mafi kyau.
Har ila yau, wani lokaci mai muhimmanci don zabi mai kyau na kirki mai haske daga rana shi ne inda za ku zauna a cikin rana na dogon lokaci. Idan kun shirya zaura a kan duwatsu ko kuma shiga cikin wasanni na ruwa, to ya fi dacewa ku ɗauki kirim tare da babban mataki na kariya - SPF30. Har ila yau yana aiki sosai ga fata na yara.