Ntau yam ntawm peb tau txais kev ntseeg hauv kev lag luam thiab yuav cov khoom uas niaj hnub tuaj sib hais. Peb tsis tau txais kev faib tawm seb peb cov nyiaj tau nyiaj li cas. Thiab dab tsi yuav hloov tom qab nyeem ntawv cov tshuaj txhuam hniav ? Ntawm chav kawm, qee cov khoom zoo li paub, tab sis lawv ua li cas rau lub qhov ncauj kab hauv qhov tshwj xeeb thiab tag nrho lub cev tag nrho, tsuas yog cov kws tshwj xeeb paub.
Cheebtsam ntawm cov tshuaj txhuam hniav sib xyaw
Qhov tseeb, cov tshuaj txhuam hniav yog tsis muaj dab tsi ntau dua li cov tshuaj uas siv los tiv thaiv kev mob hniav, tab sis nws kuj tseem ceeb rau kev kho mob rau qee yam mob. Ntau yam ntawm cov khoom ntxuav tu muaj ntau. Nyob ntawm qhov no, cov lus sib xyaw ntawm cov tshuaj txhuam hniav kuj pauv kuj tsis txaus. Tab sis nco ntsoov cov khoom hauv qab no yuav tsum nyob hauv:
- Yog hais tias tsis muaj abrasive nyob rau hauv qhov muab tshuaj txhuam, nws yuav tsis muaj peev xwm ntxuav, polish thiab whiten cov hniav . Qhov feem ntau siv yog calcium carbonate, dicalcium phosphate, silicon dioxide, aluminium oxide.
- Cov kab no muaj cov tshuaj txhuam hniav txhua yam xws li glycerolers, glycerin, sorbitol los yog polyethylene glycol. Cov tshuaj no khaws cov dej noo thiab tiv thaiv ntxov ziab ntawm xab npum.
- Nqa tau yooj yim squeezed tawm ntawm lub raj, thiab nws yog yooj yim los siv nws, lub muaj peev xwm ntxiv hydrocolloids.
Dab tsi yuav tsum tsis txhob yog ib feem ntawm cov tshuaj txhuam hniav lossis cov tshuaj txhuam hniav tiv thaiv?
Muaj ob peb yam khoom uas manufacturers nyiam ntxiv rau pastes, txawm lub fact tias cov tshuaj tsis xav kom nws. Ntawm lawv:
- Triclosan yog ib yam khoom uas cuam tshuam qhov loj ntawm kev kab mob zoo thiab cuam tshuam kev noj qab haus huv microflora. Triclosan kuj tuaj yeem cuam tshuam rau lub cev ntawm qhov ncauj ntawm qhov ncauj.
- Sodium lauryl sulfate dries hnyav ncawv ntawm daim tawv nqaij thiab mucous daim nyias nyias, uas ua rau lub tsim ntawm qhov txhab thiab kev tsiv.