Cov menyuam yaus cov tawv nqaij tshwj xeeb tshaj yog nkag siab, thiab tsuas yog qhov zoo, zoo xaiv cov khoom tu cev yuav pab khaws nws lub ntuj smoothness thiab rhiab. Nws yog qhov tseem ceeb tshaj plaws los xaiv cov tshuaj pleev kom zoo rau cov menyuam tshiab uas nws cov tawv nqaij xav tau kev saib xyuas thiab maj mam tshaj plaws.
Xab npum, gel thiab zawv plaub hau
Txhawm rau da dej cov menyuam tshiab, nws tsis pom zoo kom siv cov xab npum zoo vim nws cov alkaline puag. Alkali uas muaj nyob hauv cov khoom no tuaj yeem tsim kev puas tsuaj rau koj tus menyuam cov tawv nqaij, ua rau lub cev qhuav dhau, khaus thiab liab. Nws yog qhov zoo dua rau xaiv cov tshuaj ntxuav tes lossis tshuaj ntxuav tes uas muaj pH nruab nrab. Nws yog qhov zoo tagnrho rau kev ntxuav koj tus menyuam thiab da dej.
Zoo hmoo, koj tuaj yeem pom ntau yam khoom muag ntawm txee tam sim no. Qhov kev xaiv ntawm cov khoom siv tshwj xeeb tu rau menyuam yaus, xws li cov gels thiab cov foams, kuj tseem yog qhov loj heev. Yog li, xaiv cov tshuaj pleev kom zoo rau tus menyuam yug tshiab yuav tsis nyuaj. Kev nyiam xaiv yuav tsum tau muab rau cov me nyuam dej qhwv thiab cov kua roj ua rau ntawm lub hauv paus ntawm surfactants. Cov sib xyaw ua ke ntawm cov khoom lag luam no tsis suav nrog cov khoom siv alkaline, vim qhov no, thaum da dej, lub qog ua pa ntawm lub qhov muag tsis txob, qhov tseeb ntawm dej-rog tshuav ntawm daim tawv nqaij yog tswj, thiab, tseem ceeb tshaj, nws tsis ziab tawm Cov. Raws li cov lus pom zoo ntawm cov kws kho mob zawv plaub hau, kev siv cov tshuaj ntxuav zoo muaj peev xwm ua tau ib zaug lossis ob zaug ib lub lim tiam.
Ib qho kev pom zoo tshaj plaws rau cov niam yuav yog kev siv "2 hauv 1" khoom, uas txuas cov peev xwm ntawm lub cev gel thiab zawv plaub hau. Nws yog tsim nyog kom nco ntsoov tias txhua cov gels siv yuav tsum tsis tsuas yog ntxuav ntawm daim tawv nqaij ntawm impurities, tab sis kuj muab kev saib xyuas zoo rau nws, ua nws muag thiab ywj. Thaum siv cov tshuaj zawv plaub hau me nyuam, nco ntsoov tias cov menyuam mos tseem tab tom txhim kho ntawm daim tawv sab saud. Vim tias qhov no, cov plaub hau ntawm cov menyuam tseem tsis tau muaj zog dua li cov neeg laus, thiab cov tawv taub hau tuaj yeem yooj yim rau ntau yam kev cuam tshuam. Txhawm rau kom tsis txhob ua mob rau tus menyuam, cov tsuaj zawv plaub hau yuav tsum tau xaiv kom zoo. Nws zoo tshaj yog tias nws yog tus zawv plaub hau tshwj xeeb menyuam yaus. Nws tsis muaj qhov phom sij tsis zoo, ua xeb thiab tiv thaiv tus menyuam lub hau. Nws yuav tsum tau siv 2-3 zaug hauv ib lub lim tiam.
Me nyuam cream
Cov tshuaj nplaum nplaum rau menyuam yuav tsum muaj qhov ua tau zoo, nquag ua kom noo noo thiab ua kom tawv nqaij zoo, thiab tseem tiv thaiv kom tsis txhob mob, yaug lossis khaus. Nws yog qhov zoo dua los yuav ob hom cream: hauv daim ntawv ntawm emulsion, nyob rau hauv uas lub hauv paus yog qhov nruab nrab aqueous nrog qhov sib ntxiv ntawm cov kua roj ("dej / roj"), thiab lub qab zib, qhov twg, ntawm qhov tsis sib thooj, dej tee dej yog nyob hauv qhov nruab nrab roj ("roj / dej").
Cov tshuaj pleev ib ce dej yuav nquag ua kom tawv nqaij, thaum cov khoom siv roj yuav tiv thaiv nws los ntawm kev ua pa thiab ua kom nws muag.
