Njengoko imfuno yoKhuseleko olusebenzayo Luphulanga liyaqhubeka, ishishini le-cosmetics libone indaleko emangalisayo kwizithako ezisetyenziswa kwiikhemikhali zelanga. Eli nqaku libonisa uhambo lwenkqubela phambili ye-Chemical Sumps, ibalaselisa ifuthe loguquko kwiimveliso zokukhusela ilanga zale mihla.
Ukuphononongwa kwesithako sokuqala:
Kwinqanaba lokuqala lokwenziwa kwelanga, izithako zendalo ezinjengesityalo, iiminerali, kunye ne-oyile zaziqhele ukubonelela ngokhuseleko lwelanga. Ngelixa ezi zithako zibonelela ngenqanaba elithile le-radiation ye-UV, ukusebenza kwazo kwakuthobekile kwaye kungekho ziphumo zinqwenelekayo.
Ukwaziswa kweefilitha zezinto eziphilayo:
Iphenyane le-Chemical Sumilicals lafika ngokuzisa iifilitha zezinto eziphilayo, ezikwabizwa ngokuba yi-UV. Kwinkulungwane yama-20, izazinzulu zaqalisa ukuvavanya imiqathango ye-organic ekwaziyo ukufunxa imitha ye-UV. I-Benzyl Salticylate ivele njengovulindlela kule ntsimi, enikezela ngokhuseleko olumodareyitha. Nangona kunjalo, olo phando lwaluyimfuneko ukuphucula ukusebenza kwalo.
Inkqubela phambili ekukhuseleni i-UVB:
Ukufunyanwa kwe-Para-Aminobsoic Acid (Paba) ngo-1940s iphawula indawo ebalulekileyo ekukhuseleni ilanga. I-PABA iba sisithako esiyintloko kwi-sunschereens, i-accing ngokufanelekileyo i-UVB inoxanduva lokufumana ilanga. Ngaphandle kokusebenza kwayo, uPaba wayenengxaki, njengokucaphuka kolusu olunokubakho kunye ne-allergies, ukukhuthaza isidingo sezithako ezingezizo ezinye izithako.
UKUKHUSELEKO LOKHUSELEKILEYO:
Njengoko ulwazi lwenzululwazi lwandisiwe, ugxininiso oluguqukayo luye lwakutshintsha izithako ezinokukhusela kuzo zombini i-UVB kunye ne-UVA. Ngo-1980s, i-Avobenzone ivele njenge-Iva ye-UVA esebenzayo, ihambelana nokukhusela i-UVB ebonelelwe yi-Paba-esekwe kwi-PABA. Nangona kunjalo, ukuzinza kuka-Avobinzone phantsi kwelanga kwakungumceli mngeni, okhokelela ekuqhubeleni phambili.
Ifoto kunye nokukhusela i-Uva
Ukujongana nokungazinzi kwefilitha yakuqala, abaphandi bagxile ekuphuculeni ukufundiswa kwefoto kunye nokukhusela ububanzi. Izithako ezinje nge-Octocrylene kunye neBemotrizol zaphuhliswa, ukubonelela ngokuzinza okuphuculweyo kunye ne-Uva ephezulu ye-UVA. Olu ncedo luphucule kakhulu ukusebenza kunye nokuthembeka kwelanga.
Iifilitha ze-UVA ze-UVA:
Kwiminyaka yakutshanje, ifilitha ye-Uva ye-Uva ifumene udumo ngenxa yokhuseleko lwabo olukhethekileyo lwe-UVA kunye nozinzo oluphuculweyo. Imijikelezo efana ne-mexotoryl sx, mexoyorl XL, kunye ne-tinosorb s ineenguqulelo zelanga, ukubonelela ngokhuselo olusemgangathweni we-UVA. Ezi zithako ziye zanda zibalulekile kwifomu yokukhusela ilanga zanamhlanje.
Iindlela zokwenza izinto ezinobuchule:
Ecaleni kwenkqubela phambili yamathako, iindlela zokwenza izinto ezinokuqulunqwa zidlale indima ebalulekileyo ekwandiseni ukusebenza kweekhemikhali zelanga. I-Nanotechnology iqhube ngendlela yamasuntswana amdaka, efundisa ukugubungela okubonakalayo kunye nokuphuculwa kokufunyanwa kwe-UV. Itekhnoloji ye-Ecuriction nayo iqeshiwe ukuphucula uzinzo kwaye iyonyuse ukuhanjiswa kwesithako, ukuqinisekisa ukusebenza ngokukhululekileyo.
Ukuqwalaselwa kolawulo:
Ngokuqonda okukhulayo kwempembelelo yelanga 'ye-sunscreen' kwimpilo yabantu kunye nokusingqongileyo, amaziko olawulo aphunyezwe izikhokelo nezithintelo. Izithako ezifana ne-Oxybenzone kunye ne-Octunoxinoti, ezaziwa ngokuba yimpembelelo yendalo, ziye zangenisa ishishini ukuba liphuhlise ezinye iindlela, zibeka phambili ukhuseleko kunye nokuzinza.
ISIQINISEKISO:
Indaleko yezithako ezikwizithambi zeekhemikhali zinonyuselo lwelanga elinelanga kumzi-mveliso we-cosmetics. Ukusuka kwiifilitha zokuqala zezinto ze-organi ukuya kuphuhliso lwe-Uva of Advarve kunye neendlela zokwenza izinto ezinobuchule, umzi-mveliso wenze inyathelo elibalulekileyo. Ukuqhubeka kophando kunye nophuhliso kuya kuqhuba ukudalwa kokukhuselekileyo, okusebenzayo ngakumbi, kunye nokusingqongileyo kwe-sunscreen mveliso, ukuqinisekisa ukhuseleko lwelanga ngokupheleleyo kubathengi.
Ixesha lokuphumla: Mar-20-2024