Unqume ukuthi ukusebenzisa isikrini se-sunrycreen kuyisinqumo esifanele sakho. Mhlawumbe uzizwa unokukhetha okunempilo kuwe kanye nemvelo, noma i-sunscreen enezithako zokwenziwa ezisebenzayo zicasule isikhumba sakho esizwakalayo.
Lapho-ke uzwa ngama- "Nanoparticles" kwamanye amalanga elanga wemvelo, kanye nolwazi oluthile olushaqisayo futhi olungqubuzana ngalo mayelana nezinhlayiya ezikunikeza ikhefu. Ngokujulile, ukukhetha ilanga lemvelo lemvelo kufanele kube lokhu kuyadida?
Ngolwazi oluningi kakhulu laphaya, kungabonakala kunzima. Ngakho-ke, ake sinqume ngomsindo futhi sibheke ama-nanoparticles e-sunscreen, ukuphepha kwabo, izizathu zokuthi uzobafuna ku-sunscreen yakho futhi lapho ngeke.
Yini ama-nanoparticles?
Ama-Nanoparticles ayizinhlayiya ezincane kakhulu zento enikeziwe. Ama-nanoparticles angaphansi kwama-nanometers ayi-100 aminyene. Ukunikeza umbono othile, i-nanometer iyizikhathi eziyi-1000 incane ukwedlula ubukhulu bemicu eyodwa yezinwele.
Ngenkathi ama-nanoparticles engadalwa ngokwemvelo, njengamaconsi ama-minuscule wesifutho solwandle ngokwesibonelo, iningi lama-nanoparticles adalwe elebhu. Nge-sunscreen, ama-nanoparticles okukhulunywa ngawo yi-zinc onide ne-titanium dioxide. Lezi zithako zidilizwa zibe izinhlayiya ze-Ultra-ezinhle ngaphambi kokungezwa ku-sunscreen yakho.
Ama-nanoparticles aqala atholakala kuma-sunscreens ngawo-1980s, kepha awatholanga ngempela kuze kube yi-1990s. Namuhla, ungacabanga ukuthi ilanga lakho lemvelo lemvelo nge-zinc oxide kanye / noma i-titanium dioxide yizinhlayiya ze-nano-usayizi ngaphandle kokuthi zichazwe ngenye indlela.
Amagama athi "Nano" ne- "Fianmonised" ayafana. Ngakho-ke, i-sunscreen ephethe "i-zinc oxide" noma "i-midmoniium titanium dioxide" ilebula iqukethe ama-nanoparticles.
Ama-nanoparticles awatholakali nje kuma-sunscreens. Imikhiqizo eminingi ye-skincare ne-cosmetic, efana nezisekelo, ama-shampoos kanye namazinyo, imvamisa aqukethe izithako ezicashile. Ama-nanoparticcticles asetshenziswa futhi kuma-elekthronikhi, izindwangu, ingilazi engamelana nentuthuko, nokuningi.
Ama-nanoparticles agcina amalanga wemvelo asuka ekushiyeni ifilimu elimhlophe esikhunjeni sakho
Lapho ukhetha isikrini sakho semvelo, unezinketho ezimbili; labo abanama-nanoparticles nalabo ngaphandle. Umehluko phakathi kwalawa amabili uzovela esikhunjeni sakho.
Kokubili i-titanium dioxide ne-zinc oxide kuvunyelwe yi-FDA njengezithako zemvelo zelanga. Njalo banikeza ukuvikelwa kwe-UV ebanzi, yize iTitanium Dioxide isebenza kangcono lapho ihlanganiswe ne-zinc oxide noma esinye isithako sokukhanya kwelanga sokwenziwa.
I-Zinc onide ne-titanium dioxide umsebenzi ngokukhombisa imisebe ye-UV kude nesikhumba, ukuvikela isikhumba elangeni. Futhi basebenza kakhulu.
Ngefomu labo elijwayelekile le-non-nano, i-zinc oxide ne-titanium dioxide imhlophe impela. Lapho ifakwa esikrinini selanga, bayoshiya ifilimu emhlophe ebonakalayo esobala esikhunjeni. Cabanga ngomqondo we-stereotypical ngokuphila okumhlophe ngaphesheya kwebhuloho lekhala, lelo yinc onide.
Faka ama-nanoparticles. I-sunscreen eyenziwe nge-zinc oxide yase-midned kanye ne-titanium dioxide ifaka esikhunjeni kangcono kakhulu, futhi ngeke ishiye ukubukeka okwenziwe kahle. Ama-nanoparticles e-Ultra-Fine enza i-sunscreen incane i-opaque kodwa ephumelela nje.
Iningi locwaningo lithola ama-nanoparticles eSunscreen ephephile
Kulokho esikwaziyo manje, kubonakala sengathi ama-nanoparticles we-zinc onide noma i-titanium dioxide ayingozi nganoma iyiphi indlela. Kodwa-ke, imiphumela yesikhathi eside yokusebenzisa i-zinc oxide ye-midneged ne-titanium dioxide, imfihlakalo ethile. Ngamanye amagama, abukho ubufakazi bokuthi ukusetshenziswa kwesikhathi eside kuphephile ngokuphelele, kepha abukho ubufakazi babungozi noma.
Abanye baye bakubuza ukuphepha kwalezi zinhlayiya ezilakwe kahle. Ngoba zincane kakhulu, zingadonswa yisikhumba futhi zingene emzimbeni. Malini amanga futhi bangena ngokujulile kangakanani kuncike ekutheni izinhlayiya ze-zinc onide noma ze-titanium dioxide zingakanani, nokuthi zilethwa kanjani.
Ngokukhahlela, kwenzekani emzimbeni wakho uma i-zinc onide noma izinhlayiya ze-titanium dioxide nano-zingena? Ngeshwa, akunampendulo ecacile yalokho, noma.
Kunokuqagela ukuthi bangase bacindezele futhi balimaze amaseli omzimba wethu, basheshise ukuguga ngaphakathi nangaphandle. Kepha ukucwaninga okwengeziwe kudinga ukwenziwa ukwazi indlela ngenye indlela noma enye.
I-Titanium dioxide, lapho isesimweni sayo esinempuphu futhi iboshwe, ikhonjiswe ukwenza umdlavuza wamaphaphu kumagundane welebhu. I-Titanium ye-Titanium e-Titanium futhi ingena esikhunjeni kakhulu kune-zinc oxide ecashile, futhi i-titanium dioxide ikhonjisiwe ukudlula nge-placenta futhi ibhubha lesithiyo segazi-ubuchopho.
Khumbula, nokho, ukuthi okuningi kwalolu lwazi kuvela ngokufaka i-titanium dioxide (kusukela kutholakala ekudleni okuningi okulungiselelwe kanye namaswidi). Kusuka ezifundweni eziningi ze-titonixity ye-titanium ethosiwe ethosiwe ne-zinc onide, ngezikhathi ezithile ngezikhathi ezithile yilezi zithako ezitholakala esikhunjeni, kwathi ngaleso sikhathi zabe sezigxila kakhulu.
Lokho kusho ukuthi noma ngabe usebenzisa i-sunscreen equkethe ama-nanoparticles, kungenzeka angangenwa ngisho nokudlula kwesendlalelo sesikhumba sokuqala. Inani elidonswe liyahlukahluka ngokuya ngokusungulwa kwesikrini selanga, futhi iningi lalo ngeke limukele ngokujulile uma nakancane.
Ngolwazi esinalo njengamanje, i-sunscreen equkethe ama-nanoparticles abonakala ephephile futhi esebenza kahle kakhulu. Okucace kancane ukuthi ukusetshenziswa kwesikhathi eside komkhiqizo kungenzeka kube empilweni yakho, ikakhulukazi uma usebenzisa umkhiqizo nsuku zonke. Futhi, abukho ubufakazi bokuthi ukusetshenziswa kwesikhathi eside kwe-zinc oxide ye-midned noma i-titanium dioxide kuyingozi, asazi nje ukuthi sinethonya kangakanani (uma kukhona) esikhunjeni sakho noma emzimbeni.
Igama elivela ku-lallill
Okokuqala, khumbula ukuthi ukugqoka i-sunscreen nsuku zonke kungenye yezinto ezinhle kakhulu ongazenzela impilo yesikhathi eside yesikhumba sakho (futhi yindlela engcono kakhulu yokulwa nokuguga). Ngakho-ke, kudos kuwe ngokusebenza ekuvikeleni isikhumba sakho!
Kunama-sunscreens amaningi wemvelo atholakalayo, zombili izinketho zeNano nezen-Nano, kukhona nakanjani umkhiqizo lapho kuwe. Usebenzisa i-sunscreen nge-midnonised (aka nano-parke) i-zinc oxide noma i-titanium dioxide izokunikeza umkhiqizo odlula kancane futhi amabibhu ngokugcwele.
Uma ukhathazekile nge-nano-izinhlayiya, usebenzisa i-sunscreen engekho emcameni kuzokunikeza izinhlayiya ezinkulu ezingase zidonswe yisikhumba sakho. I-Trade-Off ukuthi uzobona ifilimu emhlophe esikhunjeni sakho ngemuva kwesicelo.
Enye inketho uma ukhathazekile ukugwema ngokuphelele imikhiqizo ye-Titanium Dioxide ngokuphelele, ngoba lesi sithako nguyena oxhumene nezinkinga ze-heath okungenzeka. Khumbula, nokho, ukuthi iningi lalezi zinkinga zazivela ekuhlolweni noma ekungeneni ama-nanoparticles e-titanium dioxide, hhayi ekutholweni kwesikhumba.
I-Sunscreen yemvelo, eyokuhlanza i-mainronid hhayi, yehluka kakhulu ekuvumelaneni kwayo futhi uzizwe esikhunjeni. Ngakho-ke, uma uhlobo olulodwa lungakuthandi kwakho, zama enye kuze kube yilapho uthola lowo osebenzela wena.
Isikhathi sePosi: Jul-12-2023