labarai

Yanzu mutane suna da zaɓi da yawa a cikin kula da fata, kawai abubuwan da ake amfani da su na hasken rana sun fi nau'ikan 10, amma wasu samfuran kula da fata suna kama da kulawar fata a zahiri za su cutar da fatar mu. Don haka ta yaya za mu zaɓi kayan kula da fata masu dacewa don fatar mu? Bari muyi magana game da benzophenone-4, wani muhimmin sashi a cikin kayan kula da fata.

Menene benzophenone-4?

Benzophenone-4wani fili ne na benzophenone, wanda ake kira BP-4, dabarar sinadarai C14H12O6S. Fari ne ko launin rawaya mai haske a zafin jiki kuma yana iya ɗaukar hasken UV yadda ya kamata na 285 zuwa 325 Im. Kamar yadda wani m bakan ultraviolet absorber, BP-4 yana da abũbuwan amfãni daga high sha rate, ba mai guba, ba teratogenic sakamako, mai kyau haske da thermal kwanciyar hankali, da dai sauransu, UV absorber BP-4 iya sha UV-A da UV-B. a lokaci guda kuma, wani nau'i na I na rigakafin rana wanda hukumar FDA ta Amurka ta amince da ita, Amurka da kasashen Turai suna da yawan amfani da su, galibi ana amfani da su a cikin cream na rana da sauran kayan kwalliyar rana.

Uv absorbent BP-4ba mai guba ba ne, ba mai ƙonewa ba, ba mai fashewa ba, mai sauƙin ɗaukar danshi a cikin iska, kyakkyawan aiki ne na mai ɗaukar ruwa na UV na acidic, yana iya ɗaukar hasken UV da ƙarfi. Ana amfani da shi sosai azaman ultraviolet absorber ga ruwa na tushen polymer coatings da purple Paint don hana photocatalytic hadawan abu da iskar shaka na ruwa-tushen polymer coatings da purple Paint; Yana da kyau mai kyau na hasken rana don kayan shafawa da kuma mai ɗaukar UV don inganta yanayin juriya na yadudduka na woolen.

Benzophenone ana amfani dashi sosai a cikin kayan gida kamar tabarau, kayan abinci, wanki da kayan tsaftacewa don kariya daga bayyanar UV. Zai iya gurɓata ruwan sha kuma ya ƙaura daga marufin abinci zuwa abinci. Ana amfani da Benzophenone a wasu tawada marufi na abinci kuma yana iya ƙaura zuwa abinci. Benzophenone yana faruwa a zahiri a cikin wasu abinci (kamar inabi na inabi da inabi Muscat) kuma ana ƙara wa wasu azaman wakili mai ɗanɗano.

A cikin samfuran kulawa na sirri, ana amfani da benzophenone azaman haɓaka ƙamshi ko don hana samfura irin su sabulu daga rasa ƙamshi da launi a ƙarƙashin hasken ultraviolet. Abubuwan da aka samo na Benzophenone kamar BP2 da oxybenzone (BP3) dabenzophenone-4 (BP-4)ana amfani da su a cikin sunscreens. Ana amfani da Oxybenzone a matsayin mai ɗaukar ultraviolet da stabilizer, musamman a cikin robobi da sunscreens. Benzophenone da oxybenzone kuma ana amfani da su wajen goge ƙusa da leɓe.

Menene benzophenone-4 da ake amfani dashi don kula da fata?

Uv absorbent BP-4 yana da fa'idodin haske mai kyau da kwanciyar hankali mai zafi, kuma ana amfani dashi sosai a cikin kirim mai tsami, cream, zuma, ruwan shafa, mai da sauran kayan kwalliyar rana. Musamman dace da hasken rana, ruwan shafa fuska, fenti, babban adadin shine 0.1-0.5%. Matsakaicin adadin yau da kullun shine 0.2-1.5%.

Uv absorberBP-4yana da sauƙi mai narkewa a cikin ruwa, kuma maganin ruwa yana da acidic, don haka yana buƙatar a cire shi yayin amfani. Magani PH fiye da 9 zai haifar da tsayin daka don kunkuntar, babban aikace-aikacen kullun rana da sauran kayan kula da fata don hana tsufa na fata wanda hasken ultraviolet ya haifar.

Menene benzophenone-4 da ake amfani dashi don kula da fata?