Parabens okuthambisa - kuyingozi okanye

Kwiminyaka yakutshanje, izazinzulu ezininzi abadumileyo baye bavakalisa inkolelo yokuba parabens okuthambisa - luyingozi, kodwa kwinqanaba yowiso awukwazi ukunyanzelisa ukuvalwa ukusetyenziswa kwazo. Iinkampani ezinkulu izithambiso ukuzama ukusombulula le ngxaki kunye nokushenxisa ngokuthe ukusetyenziswa kwisigcinakaliso kwiimveliso zabo.

Ngoko ke yintoni na parabens okuthambisa, ngokwenene yingozi okanye nje isihloko unwound sengxoxo?

Wabiza parabens iikhemikhali, leyo ngenxa yayo ukunqanda inkangeleko ngaphambi nomngundo neentsholongwane. Zisetyenziswa nje kuphela zokuthambisa, kodwa ukutya kunye namashishini zonyango. Ezinye parabens zifumaneka nkqu kwindalo, kodwa parabens okuthambisa - ayimveliso zokwenziwa.

Kumazwe amaninzi ahambele phambili, inani parabens okuthambisa kulawulwa ngokungqongqo. Umzekelo, parabens ezifana propyl - imethyl -, butyl -, ethylparaben kunye isoforms zazo ezahlukeneyo kuvunyelwa mali umkhulu 0.4% kwaye kufuneka ibe paraben kuphela kwimveliso. Ukuba parabens esebenzayo umxube, eyavela kufuneka ingadluli 0.8%. Kukho uluvo kwezinye iingcali, oko kudla malunga ne-0.2% abantu babo izithambiso ngokwaneleyo.

Ziziphi iingozi parabens?

Kule minyaka imbalwa idlulileyo kwabonakala iingxelo ngakumbi ukuba disruptors yonyango. Kulo mba, eYurophu wagqiba ukuba propyl paraben okuthambisa kufuneka kusetyenziswe ngaphantsi rhoqo, eyavela elivumelekileyo ukunciphisa ngesiqingatha, imfuneko uyasebenza butilparabenam.

Parabens kunemiphumela estrogenic. Ngoko ke, ukusetyenziswa imveliso apho zikhona, kufuneka kuphela abantu babe contraindication nokusetyenziswa estrogen. Ingakumbi uqaphele kufuneka ukuba abasetyhini abakhulelweyo, njengoko estrogen kwemfuneko kunokukuchaphazela kakubi kwisiphumo yokukhulelwa.

Ezinye izazinzulu ukuyiphikisa le kanye ndizenzayo, ziyandingqinela ukuba onjalo effect na izinto ezingena umzimba ngokutya kunye parabens ezibalulekileyo engenabungozi kuphela.

Xa ukusebenzisa njalo prabenov bandisa emzimbeni ezinokuba negalelo umhlaza webele, wesibeleko, amaqanda kwabasetyhini kunye namasende nomhlaza emadodeni. Kodwa nje izimvo zezazinzulu, ngoxa imbangela unxulumano ngqo phakathi ukusetyenziswa parabens kwiimveliso ukutya kwaye zokuthambisa, lubandakanywe somhlaza iye ayasekwa.

Parabens okuthambisa nande kancinane impembelelo embi kwelanga. Products eziqulathe methylparaben, xa isicelo nolusu oko kunokubangela kwesikhumba kwaye umonakalo DNA. Oku kwenzeka ngenxa yokuba indlela kunye imethyl paraben kunye yelanga eyingozi. Kwakhona icebo iindlela eziquka propyl, metilparbeny kunokubangela esicaphukisayo ezahlukeneyo ulusu yaye qhagamshelana dermatitis, kunye negazi.

Kodwa musa nangoko ukulahla ukusetyenziswa iimveliso eziqulathe parabens. Yonke idatha zingasentla kuphela izimvo eengcali, kodwa akukho isiqinisekiso lwenzululwazi okanye refutation of obuphikisana noko.

Ngokutsho kwinzululwazi esemthethweni, parabens phantse non-ziyityhefu kwaye ngokulula salawo aphumayo. Kubantu abasempilweni, azinabungozi kwaye kuphela kwiimeko ezinqabileyo kakhulu kunokubangela parabenovuyu komzimba. Kuba abantu abanjalo, i-cream yavelisa ngaphandle parabens.

Phezu kwako konke oko parabens okuthambisa zinika yokugcina ixesha elide ukuba ingangqubani iimpawu zalo kunye nomgangatho.

Zikhona phantse zonke zokuthambisa, kodwa ukutya ezininzi kunye neemveliso zonyango. Ekubeni ngoku ngaphandle kokusebenzisa kwisigcinakaliso cishe akunakwenzeka, abaphengululi isoloko ikhangela enye indlela parabens. Kodwa logama nje akakho, ziyaphuhliswa ukudala ukubola kwi okunegalelo.