Qhov kev txiav txim kom raug rau kev siv cov gel da dej yog siv rau ntawm koj daim tawv nqaij ua ntej thiab tom qab ntawd rub nws hauv, es tsis yog muab nws ncaj qha rau ntawm koj lub cev thiab txhuam nws kom qhuav.
Thaum daim tawv nqaij ntub, pores qhib. Kev siv cov gel da dej ntau ncaj qha rau lub sijhawm no tuaj yeem ua rau peb qhov teeb meem: Ua ntej, nws yog qhov nyuaj rau kev tswj cov tshuaj, uas yuav ua rau cov khoom pov tseg lossis cov khoom seem; thib ob, undiluted da dej gel yog heev concentrated thiab yuav irritate rhiab tawv nqaij; Thib peb, txhua cov kua nplaum tuaj yeem yooj yim xaub tawm ntawm daim tawv nqaij, cuam tshuam cov nyhuv ntxuav.
Cov txheej txheem raug yuav tsum muaj peb kauj ruam:
1. Ua kom lub cev qhuav dej: nyem qhov tsim nyog ntawm cov gel da dej rau ntawm koj lub xib teg ntub dej los yog ib daim txhuam cev da dej, ntxiv me ntsis dej, thiab txhuam kom txog thaum cov ntaub ntawv nplua nuj;
2. Siv rau cov chaw tshwj xeeb: Pib siv rau thaj chaw uas muaj roj ntau ntau, xws li hauv siab thiab nraub qaum, thiab ntxuav qhov chaw qhuav xws li cov ceg tawv kawg;
3. Maj mam zaws: Siv koj lub ntsis ntiv tes los maj mam zaws ntawm daim tawv nqaij nyob rau hauv lub voj voog, tshwj xeeb tshaj yog nyob rau thaj chaw uas muaj tawv nqaij tuab xws li lub hauv caug thiab lub luj tshib, qhov chaw koj tuaj yeem zaws tau ntev dua.
Nco ntsoov tias da dej gels uas muaj exfoliating hais yuav tsum tau emulsified ua ntej. Thaum cov khoom lag luam no nkag mus rau hauv kev sib cuag ncaj qha nrog daim tawv nqaij, cov khoom tuaj yeem yooj yim ua rau muaj kev sib txhuam ntau dhau thiab kev puas tsuaj rau stratum corneum. Hais txog da dej kub, dej kub ntawm 38-40℃pab cov surfactants nyob rau hauv da dej gel ua hauj lwm zoo, tab sis dej kub tshaj 45℃yuav ua tau kom ceev noo noo los ntawm daim tawv nqaij.
Rau cov me nyuam mos los yog cov neeg uas muaj tawv nqaij rhiab, nws raug nquahu kom xaiv cov amino acid-raws li, me ntsis acidic da dej. Cov khoom no, tom qab lathering, yog ze rau ntawm daim tawv nqaij tus nqi pH. Yog tias daim tawv nqaij tawv nruj tom qab siv, thov ib daim nplaum moisturizing li ntawm peb feeb tom qab ziab lub cev. Nyob rau lub sijhawm no, daim tawv nqaij txoj kev nqus dej tseem tsis tau kaw tag nrho, ua rau muaj kev cuam tshuam loj dua.
