labarai

Kariyar rana ya zama dole ga matan zamani a duk shekara. Kariyar rana ba kawai zai iya rage lalacewar hasken ultraviolet akan fata ba, amma kuma ya guje wa tsufa na fata da cututtukan fata masu alaƙa. Abubuwan da ake amfani da su na hasken rana galibi ana yin su ne da jiki, sinadarai, ko cakuda nau'ikan biyun kuma suna ba da kariya ta UV mai fa'ida. Domin su taimake ka ka sayi nasu kariya daga hasken rana a nan gaba, a yau kai ka daga sinadarai masu aiki da kayan aiki na jiki don nazarin abubuwan da suka dace na hasken rana.

Sinadarin aiki bangaren

Octyl methoxycinnamate

Octyl methoxycinnamate (OMC)yana daya daga cikin abubuwan da ake amfani da su wajen kare rana. Octyl methoxycinnamate (OMC) shine matattarar UVB tare da kyakkyawan yanayin shayarwar UV na 280 ~ 310 nm, ƙimar haɓaka mai girma, aminci mai kyau, ƙarancin guba, da ingantaccen narkewa ga albarkatun mai. Hakanan aka sani da octanoate da 2-ethylhexyl 4-methoxycinnamate. An amince da fili a matsayin kayan kwalliya a cikin Amurka da Tarayyar Turai (EU) a adadin 7.5-10%.

Benzophenone-3

Benzophenone-3(BP-3) wani nau'i ne mai fa'ida mai narkewa mai fa'ida wanda ke ɗaukar duka UVB da gajeriyar haskoki na UVA. BP-3 yana da sauri oxidized a ƙarƙashin hasken ultraviolet, yana rage tasirinsa da kuma samar da adadi mai yawa na nau'in oxygen mai amsawa. A cikin Amurka, matsakaicin adadin da aka yarda da shi na BP-3 a cikin hasken rana shine 6%.

Benzophenone - 4

Benzophenone-4(BP-4) yawanci ana amfani dashi azaman mai ɗaukar ultraviolet a ƙididdigewa har zuwa 10%. BP-4, kamar BP-3, wani nau'in benzophenone ne.

4-methylbenzyl kafur

4-methylbenzylidene camphor (4-methylbenzylidene camphor, 4-MBC) ko enzacamene wani nau'in kafur ne na kwayoyin halitta wanda ake amfani dashi azaman mai ɗaukar UVB a cikin hasken rana da sauran kayan shafawa. Kodayake Cibiyar Abinci da Magunguna ta Amurka (FDA) ba ta amince da fili ba, wasu ƙasashe suna ba da izinin amfani da fili cikin ƙima har zuwa 4%.

4-MBC wani bangare ne na lipophilic wanda zai iya shiga cikin fata kuma yana cikin kyallen jikin mutum, ciki har da mahaifa. 4-MBC yana da tasirin isrogen endocrin rushewa, yana shafar thyroid axis da hana ayyukan AChE. Don haka yakamata a yi amfani da allon rana mai ɗauke da waɗannan sinadarai tare da taka tsantsan.

3-benzal kafur

3-benzylidene camphor (3-BC) wani fili ne na lipophilic wanda ke da alaƙa da 4-MBC. Matsakaicin adadin da aka yi amfani da shi a cikin samfuran rigakafin rana a cikin Tarayyar Turai shine 2%.

Kama da 4-MBC, 3-BC kuma an kwatanta shi azaman wakili mai lalata estrogen. Bugu da ƙari, an ba da rahoton 3-BC don rinjayar CNS. Bugu da ƙari, ya kamata a yi amfani da kayan da ke dauke da waɗannan sinadaran tare da taka tsantsan.

Octylene

Octocrtriene (OC) wani ester ne na ƙungiyar cinnamate wanda ke ɗaukar hasken UVB da UVA, tare da maida hankali har zuwa 10% a cikin hasken rana da kayan kwalliyar yau da kullun.

Bangaren aiki na jiki

Abubuwan da ake amfani da su na jiki da ake amfani da su a cikin hasken rana yawanci titanium dioxide (TiO 2) da zinc oxide (ZnO), kuma yawancin su yawanci 5-10% ne, musamman ta hanyar nunawa ko watsar da abin da ya faru na ultraviolet radiation (UVR) don cimma manufar hasken rana. .

Titanium dioxide

Titanium dioxide wani farin foda ne ma'adinai wanda ya ƙunshi titanium da oxygen. Ana amfani da titanium dioxide sosai a cikin abinci da kayan kwalliya, musamman saboda fari da ingancin hasken rana.

Zinc oxide

Zinc oxide farin foda ne mai karewa da kayan tsarkakewa. Har ila yau, kariya ce ta UV mai kariya wanda ke nuna hasken UVA da UVB duka. Bugu da kari, zinc yana da anti-mai kumburi, astringent da bushewa Properties. Zinc oxide, allon rana wanda Hukumar Abinci da Magunguna ta Amurka ta amince da shi a matsayin mai aminci da inganci, yana ɗaya daga cikinsu.

Bayan bayanin wannan labarin, kuna da kyakkyawar fahimta game da kayan aiki masu aiki na hasken rana? Da fatan za a tuntube ni idan kuna da wasu tambayoyi.