Imibuzo ejabulisayo: lauryl sulfate sodium

Njengamanje, ingxoxo yonke isiqalile ngezinzuzo kanye nokulimala kwe-sodium lauryl sulfate (SLS). Abanye bakholelwa ukuthi ukusetshenziswa kwezimali ezakha le ngxenye kuyingozi kakhulu empilweni. Abanye, ngakolunye uhlangothi, bavumela ukusetshenziswa kwezimpahla nge-SLS.

Umthelela omubi we-SLS

E-United States, iNational Institute of Health uye yabona imiphumela engenzeka ekusetshenzisweni kwezinto ezine-sodium lauryl sulfate. Ukulimaza umzimba womuntu, le nto ingabangela, okwenza isikhumba esomile, izilonda emlonyeni, eczema. Futhi, i-SLS inobuthi kuya emathangeni omzimba kanye nesibindi.

Iyini i-sodium lauryl sulfate?

Lo mkhiqizo utholakala ngenxa yokucubungula okuphindaphindiwe kwamafutha kakhukhunathi ngamazwi amakhemikhali. Lo mshini wokusebenza osebenzayo usetshenziselwa ama-detergents, ikakhulukazi kuma-shampoos. Ngenxa yokuphepha kokusetshenziswa, ukusebenza kahle nezindleko eziphansi, i-SLS iye yathandwa kakhulu kwi-cosmetology. Lo mkhiqizo uyingxenye yama-shampoos, ama-gel eshisayo, ama- foam okugeza, ama-toothpastes kanye nama-mouthwash lotions. I-sodium lauryl sulfate isetshenziselwa amakhemikhali asekhaya kanye nama-detergents.

Kuyaziwa ukuthi i-SLS ingabangela ukucasula isikhumba. Kodwa-ke, ngendlela evezwa ngayo emalungiselelweni okuzithokozisa, i-lauryl sulfate iphephile.

Inzuzo enkulu yalesi sigaba igwema. Ngosizo lwe-foam, i-shampoo "ihlukanisa" ngokuphelele ukungcola kwezinwele futhi "iyigcine" ngevolumu yayo. Uma lokhu kungeke kwenzeke, ukungcola nokugcoba kuzophinde kulungiswe izinwele. Ungabona lokhu ngokugeza ikhanda lakho nge-sese. Ngaphezu kwalokho, i-shampoo ephuzayo iyabonakala isetshenziselwa ukonga futhi isetha ukuzwa okuhle ngesikhathi sokugeza.

Kumele kuthiwa i-shampoo ngayinye iqukethe izinto zokuhlanza ezithambile ezinciphisa kakhulu umphumela ohlaselayo we-SLS. Futhi ezinye zazo (i-cocoamphodiacetate sodium, sulfosuccinate, i-cocamide DEA) zisetshenziselwa ama-shampoos "ngaphandle kwezinyembezi", ezihloselwe izingane.

Cishe uqaphele kaningi ukuthi ngemva kokugeza, izimpande zesikhumba ngokushesha ziba namafutha. Kungani lokhu kwenzeka?

Into ewukuthi, ukuhlanza udoti ezinwele, i-lauryl sulfate ye-sodium iphinda isuse amafutha, okuyisivimbela sokuvikela. Ngakho-ke, izinwele ezingenazinwele zilimala kalula. Ukuvimbela lokhu, umzimba uqala ukuthuthukisa amafutha ngamandla amakhulu nakakhulu. Ngakho-ke, izimpande zezinwele zisawoti ngokushesha, zilahlekelwa ukubonakala kwayo.

Izinhlanzi ngaphandle kwe-lauryl sulfate ye-sodium

Yini okufanele ibe ithuluzi elihle lokugeza izinwele? Kuvela ukuthi kufanele ususe ngokuphumelelayo ukungcola futhi ngesikhathi esifanayo ungabi nciphisa isikhumba. Namhlanje lo msebenzi uxazululwa. Izinhlayiya zekhwalithi ephezulu ziyakwazi ukugeza uhlaka lwamafutha kusuka ezinyaweni, zibeke esikhundleni sezithasiselo ezisinda. Lezi zinto zihlanganisa amafutha wezitshalo, ama-derivatives we-lanolin nama-fatty acids, amafutha wezilwane, i-lecithin. Izithasiselo ziyingxenye ye-shampoo ngendlela yama-microdroplets. Ngesikhathi sokuhlanza, amafutha ashintshaniswa: ukungcola kuhlanzwa, amafutha wejojoba noma i- ococonut iyanamanzi ekhanda.

Ngenxa yokutadisha ukwakhiwa kwezindlela zokugeza izinwele, ama-shampoos ngaphandle kwe-SLS atholakale. Nazi ezinye imikhiqizo yezithokozi:

• Izinkampani eziningi zaseJapane zihlanganyela ekukhiqizeni imishini ye-shams ngaphandle kwe-SLS: Lion, Kracie, Lebel, Resche, Kanebo Pola, MoltoBene. Lezi zimali zakhiwa zisebenzisa ama-surfactants, ezikhishwe izithelo zezitshalo, izimbali kanye ne-algae.
• Inkampani yaseFrance eyisimungulu eMelvita esikhundleni se-SLS isebenzisa umsakazo wezitshalo zemifino - i-decyl glucoside.
• Umkhiqizo waseJalimane uDkt. Hauschka uphinde ukhiqize imikhiqizo yokunakekelwa kwezinwele ezingenayo i-lauryl sulfate ye-sodium esebenzisa i-saccharotenes njenge-surfactant.
• Amanye ama-shampoos, akhiqizwa abaholi bembonini yanamuhla yezimonyo, abuye aqukethe i-SLS. Leli "Umbala Obucayi Obunomsebenzi" ovela e-L'Oreal kanye no "Umbala Wobulungiswa Bomsebenzi" ovela eSchwarzkopf. Lezi zimonyo zenzelwe izinwele ezinemibala. Ama-shampoos avela ku-serie "Rainforest" avela kumenzi we-The Body Shop afaka phakathi kokukhipha kwawo i-bilberry ekhishwayo, ushukela namafutha ashukela.