A lokacin rani, daga bayan rana, fatar mu ta fallasa ga tasiri sosai, wanda ba wai kawai zai iya haifar da ƙonewa ba, har ma ya zama sanadin cututtuka daban-daban. Wadannan tasirin halayyar rayuwar yau da kullun a cikin birni, wanda yake, magana game da hutun rairayin bakin teku. Sabili da haka, ba lallai ba ne don yin watsi da amfani da hasken rana, zaɓi wanda ya bambanta sosai a kasuwa. Amma yana haɗu da ɗayan - kasancewar ƙaddarar da aka ɗauko SPF akan kunshin. Abin takaici, a Intanet mai yawan jayayya game da SPF. Bari mu gano inda gaskiyar take, da kuma faramawar.
Abin da aka auna ta SPF
SPF ko sunan rana yana halayyar mutum ne wanda yake taimaka wa fatar mu don kare lafiyar ultraanoolet. Sunsers sun sami SPF daga 6 zuwa 50. A wasu halaye, sun rubuta 50+, amma ba a fili bane, wanda ya fahimci masana'anta a ƙarƙashin wannan lambar.
Lambar tsaye bayan haruffa SPF ana bayanin azaman karuwa a cikin tsawon lokacin rana ba tare da sakamakon da aka ƙayyade ba a cikin adadin lokutan da aka ƙayyade. Wannan shine, idan fatar ku a cikin rana ta cikin minti 10 (dangane da nau'in fata, wannan ƙimar na iya zama daga minti 5 zuwa 30), da alama kayan aiki na iya zama, da alama, kayan aiki tare da SPF 20, da alama, da alama, tsawanta kayan kariya da 10 × 20 20 = 200 mintuna. Wannan bayanin yana da babban abin halarci: Yana fitar da cewa SPF 6 da SPF 50 kare fata daidai, kawai a cikin farkon - 500. A zahiri, darajar SPF yana nuna adadin UV Rays, kariyar da ke ba da hanya. SPF 15 zai kare daga 93.3%, SPF 30 - daga 96.7%, kuma SPF 50 yana daga 98%. Bai kamata magana game da mafi yawan kariya idan yana faruwa, to kawai a cikin dari na wani kashi. A baya can, masu tallan tallace-tallace, sun kwashe, a rubuce, a kan fakitin darajar SPF 100 da 150. A yau an haramta shi, saboda ba shi da wata ma'ana kuma ba ta da wata ma'ana kuma ta saba da mai amfani.
Idan muka yi magana game da matakin kariya kasa da 15, to, a zahiri, amfani da irin waɗannan kudade bai isa ba. A tsananin magana, sun tsallake isasshen ulviolet don amfani da lalacewar fata. Misali, tare da SPF 6 zuwa fata, kashi 16.7% na haskoki zasu samu, wanda, ba shakka ba za a iya ɗaukar ingantaccen kashi ba.
Yaushe ne kariya
Darajar SPF kana buƙatar tantancewa kai tsaye, dangane da nau'in fata, amma ba daga lokacin da ya kamata ya ciyar a rana ba. Idan muka yi magana game da tsawon lokacin, ya dogara da nau'in masu tace, kazalika kan yanayin tasirin.
Motar kayayyaki (misali, Autobenzone, benzophenone) da jiki (zinc oxide ko titanium dioxide). Sun bambanta da ka'idar aiki. A lokaci guda, matatun sunadarai zasuyi tasiri yayin amfani da rayuwar yau da kullun - a bakin rairayin bakin teku za su iya kawo cutar da kyau fiye da kyau. Bayan sa'o'i biyu daga baya, tsarin su fara canza su a rana, kuma yana yiwuwa a kiyaye su kawai suna cire da kuma sake dawo da kayan aiki.
Tace matattarar jiki ba shi da sootliva, a bakin rairayin bakin teku yana da daraja ta amfani da su. Amma sannu a hankali rasa amfani, yayin da suke wanka ko goge sakamakon sakamakon inji na inji. Don haka ya kamata a sake sabunta su kowane awanni 3-5, kazalika kowane lokaci bayan wanka. Ruwa na ruwa sunncreens da ke jan hankalin wasu masana'antun da aka tsara don kare fata kai tsaye yayin iyo (eh, ruwan ma ya rasa ultraviolet). Koyaya, bayan ya dawo cikin gaci, ana kuma sabunta irin wannan kariya.
A cikin m na mashin UV radiation
Ba shi yiwuwa ba a ambaci zumar da haskoki na ultraviolet. Rays na bakan a (Ulb) an rarrabe shi, wanda ke haifar da ƙonewa, da kuma haskoki na bakan, a (UVA) yana da alhakin tsufa na fata. Daga farkon hana mafi yawan hasken rana. Don kare cikin haskoki na kallo, kuma ana nufin tare da alamar UVA akan kunshin. Ya kamata a ce tsarin adalci da adalci ga yanayin bayyanar da waɗannan rayuwar ba a yi nazari ba sosai, kuma wasu masana shakkar tasiri tasirin irin wannan kariya.
Kuna iya faɗi tabbacin cewa yana da daraja ta amfani da shawarar al'ada don rage lokacin zama - don rage lokacin zama a rana, ba ya fita lokacin zama a rana, daga 12 zuwa 15 zuwa 15 hours. Kada ka manta cewa tufafin na yau da kullun su ma sun baci yawan mayaƙan zaki a, amma ba ya kare konewa, amma ba ya tsayar da ƙonewa, saboda baƙon.
Shin kayan kwalliyar kayan ado na ado?
Amma ga kayan kwalliyar kayan kwalliya tare da SPF, kayan kariya na ba shi da girma sosai, kuma tare da zafin rana, yana da kyau a yi amfani da su na musamman na rana. Koyaya, sau da yawa isasshen kayan kwalliya. Misali, foda mai ado yana da kyau ultraolet, samar da kariya ta SPF 15-20. A lokaci guda, ba ya score fata pores, wanda shima yana da matukar muhimmanci a lokacin rani.
Ba lallai ba ne a kula da babban kuɗin kuɗin da kuma sunan alama. Daga kwaskwarimar kwaskwarima SPF 30 ko 50, ko wasu abubuwan da basu dace ba "anti-tsufa", bai kamata kuyi tsammanin wani abu na musamman ba. Duk wannan ba komai bane illa kalmomi. A bakin tekun har yanzu suna amfani da talakawa, amma an tabbatar da hanyar musamman wanda zai tabbatar da kariya.