labarai

Kariyar rana abu ne da ya zama dole ga mata na zamani a duk shekara. Kariyar rana ba wai kawai za ta iya rage lalacewar hasken ultraviolet a fata ba, har ma za ta iya guje wa tsufan fata da cututtukan fata masu alaƙa. Sinadaran kariya daga rana galibi ana yin su ne da sinadarai na zahiri, sinadarai, ko cakuda nau'ikan biyu kuma suna ba da kariya daga UV mai faɗi. Domin taimaka muku wajen siyan kariya daga hasken rana na kansu a nan gaba, a yau za ku ɗauki ku daga sinadaran sinadarai masu aiki da sinadaran aiki na jiki don yin nazarin sinadaran kariya daga hasken rana masu aiki.

Sinadarin da ke aiki a sinadarai

Octyl methoxycinnamate

Octyl methoxycinnamate (OMC)yana ɗaya daga cikin magungunan kariya daga rana da aka fi amfani da su. Octyl methoxycinnamate (OMC) matattarar UVB ce mai kyakkyawan lanƙwasa na sha daga UV na 280~310 nm, yawan shan ta, aminci mai kyau, ƙarancin guba, da kuma kyakkyawan narkewa ga kayan mai. Wanda kuma aka sani da octanoate da 2-ethylhexyl 4-methoxycinnamate. An amince da mahaɗin a matsayin sinadari na kwalliya a Amurka da Tarayyar Turai (EU) a yawan da ya kai kashi 7.5-10%.

Benzophenone-3

Benzophenone-3(BP-3) wani man shafawa ne mai narkewa a cikin man shafawa wanda ke shan UVB da gajerun haskoki na UVA. Ana shafa BP-3 cikin sauri a ƙarƙashin hasken ultraviolet, yana rage ingancinsa kuma yana samar da adadi mai yawa na nau'ikan iskar oxygen masu amsawa. A Amurka, matsakaicin yawan BP-3 da aka yarda da shi a cikin hasken rana shine kashi 6%.

Benzophenone -4

Benzophenone-4Ana amfani da (BP-4) a matsayin mai ɗaukar hasken ultraviolet a yawan da ya kai 10%. BP-4, kamar BP-3, wani sinadari ne na benzophenone.

4-methylbenzyl camphor

4-methylbenzylidene camphor (4-methylbenzylidene camphor, 4-MBC) ko enzacamene wani abu ne da aka samo daga camphor na halitta wanda ake amfani da shi azaman mai sha UVB a cikin man shafawa na rana da sauran kayan kwalliya. Duk da cewa Hukumar Abinci da Magunguna ta Amurka (FDA) ba ta amince da sinadarin ba, wasu ƙasashe suna ba da izinin amfani da sinadarin a cikin yawan da ya kai kashi 4%.

4-MBC wani sinadari ne mai yawan lipophilic wanda za a iya sha ta fata kuma yana nan a cikin kyallen jikin ɗan adam, gami da mahaifa. 4-MBC yana da tasirin rushewar endocrine na estrogen, yana shafar axis na thyroid da kuma hana ayyukan AChE. Saboda haka, ya kamata a yi amfani da man shafawa mai ɗauke da waɗannan sinadaran da taka tsantsan.

3-benzal camphor

3-benzylidene camphor (3-BC) wani sinadari ne mai kama da lipophilic wanda ke da alaƙa da 4-MBC. Matsakaicin yawan amfani da shi a cikin samfuran kariya daga rana a Tarayyar Turai shine kashi 2%.

Kamar 4-MBC, an kuma bayyana 3-BC a matsayin maganin da ke lalata estrogen. Bugu da ƙari, an ruwaito cewa 3-BC yana shafar CNS. Kuma, ya kamata a yi amfani da man shafawa mai ɗauke da waɗannan sinadaran da taka tsantsan.

Octylene

Octocrtriene (OC) wani sinadari ne na ƙungiyar cinnamate wanda ke shan haskoki na UVB da UVA, tare da yawan sinadarin har zuwa 10% a cikin magungunan rana da kayan kwalliya na yau da kullun.

Sashen aiki na jiki

Sinadaran da ake amfani da su a cikin man shafawa na rana yawanci titanium dioxide (TiO2) da zinc oxide (ZnO2), kuma yawansu yawanci shine kashi 5-10%, galibi ta hanyar haskakawa ko watsa hasken ultraviolet (UVR) don cimma manufar amfani da man shafawa na rana.

Titanium dioxide

Titanium dioxide wani farin ma'adinai ne mai launin foda wanda ya ƙunshi titanium da oxygen. Ana amfani da titanium dioxide sosai a abinci da kayan kwalliya, musamman saboda farinsa da ingancinsa na hasken rana na UV.

Sintiki oxide

Zinc oxide fari ne mai kariya da tsarkakewa. Hakanan kariya ne daga hasken rana na UV wanda ke nuna hasken UVA da UVB. Bugu da ƙari, zinc yana da kaddarorin hana kumburi, astringent da bushewa. Zinc oxide, wani maganin kariya daga hasken rana wanda Hukumar Abinci da Magunguna ta Amurka ta amince da shi a matsayin mai lafiya da tasiri, yana ɗaya daga cikinsu.

Bayan bayanin wannan labarin, shin kuna da fahimtar sinadaran da ke aiki a cikin man shafawa na rana? Da fatan za a tuntuɓe ni idan kuna da wasu tambayoyi.