Chosefera cha UVA Chomwe Chimayamwa Kwambiri – Diethylamino Hydroxybenzoyl Hexyl Benzoate

DHHB Yotetezeka pa Dzuwa (Diethylamino hydroxybenzoyl hexyl benzoate)ndi fyuluta ya UV yomwe imayamwa kwambiri mu UV-A. Kuchepetsa kukhudzana kwambiri ndi kuwala kwa ultraviolet pakhungu la munthu komwe kungayambitse kuwonongeka kwa photophoto mwachangu komanso kosatha,DHHB Yotetezeka pa Dzuwandi fyuluta ya UV yosungunuka ndi mafuta yomwe ingaphatikizidwe mu gawo la mafuta la emulsions.

EDmaRC yapeza izi: "Kafukufuku wa biomonitoring akusonyeza kuti anthu opitilira 90% aku Denmark amatulutsa zosefera za UV mu mkodzo wawo osati nthawi yachilimwe yokha komanso chaka chonse. Izi zimachitika chifukwa cha kugwiritsa ntchito kwambiri zosefera za UV m'mafakitale, osati mu zodzoladzola za dzuwa zokha komanso muzinthu zina zambiri zomwe anthu amagwiritsa ntchito tsiku ndi tsiku, monga zinthu zosamalira thupi, ma CD a chakudya, mipando, zovala, sopo, zoseweretsa, zotsukira ndi zina zambiri. Kugwiritsa ntchito kwambiri zosefera za UV kumachitika chifukwa cha mawonekedwe awo apadera oteteza mitundu ku khungu loipa komanso kuteteza pulasitiki kuti isasungunuke chifukwa cha dzuwa."

DHHB Yotetezeka pa Dzuwaidavomerezedwa ku Europe mu 2005, ndipo imagulitsidwanso ku US, South America, Mexico, Japan ndi Taiwan. Ili ndi kapangidwe ka mankhwala kofanana ndi ka mankhwala akale a benxophoenone, ndipo imasonyeza kukhazikika bwino kwa kuwala. Imagwiritsidwa ntchito m'magulu mpaka 10% mu zinthu zoteteza ku dzuwa, kaya yokha kapena kuphatikiza ndi zinthu zina zoyamwitsa UV.Ndi yotetezeka kwambiri kujambula zithunzi ndipo imapereka chitetezo champhamvu cha UVA.

Ilinso ndi kusungunuka bwino, kusinthasintha kwabwino kwa formula, komanso imagwirizana bwino ndi zosefera zina za UV ndi zosakaniza zodzikongoletsera. Sunsafe DHHB imapereka chitetezo chabwino kwambiri cha ma free radicals ndipo ndi yabwino kwambiri posamalira dzuwa kwa nthawi yayitali komanso zinthu zosamalira nkhope zoletsa kukalamba.