Lawv hais tias peb yam tseem ceeb ntawmkev saib xyuas tawv nqaijyogkev ntxuav, ua kom noo noo thiabkev tiv thaiv hnub, txhua yam uas yog qhov tseem ceeb. Peb feem ntau pom cov ntawv tshaj tawm txog kev pleev kom tawv nqaij noo thiab kaw cov dej noo, tab sis koj puas paub cov tshuaj twg muaj cov nyhuv noo? Koj puas paub cov khoom xyaw uas feem ntau pom glycerin, ceramide, thiab hyaluronic acid yog pawg twg?
Hauv cov tshuaj pleev ib ce uas ua rau daim tawv nqaij noo, muaj plaub pawg ntawm cov xim uas tuaj yeem ua lub luag haujlwm noo noo: cov khoom xyaw roj, cov tshuaj me me hygroscopic, cov tshuaj macromolecular hydrophilic thiab cov khoom xyaw kho.
1. Cov roj thiab cov rog
Xws li Vaseline, roj txiv roj, roj almond, thiab lwm yam. Cov khoom siv raw no tuaj yeem tsim cov roj zaj duab xis ntawm daim tawv nqaij tom qab siv, uas sib npaug rau kev npog daim tawv nqaij nrog ib txheej ntawm cov yeeb yaj kiab tshiab, uas ua lub luag haujlwm hauv kev qeeb qeeb ntawm kev poob dej hauv stratum corneum thiab tswj cov dej noo ntawm stratum corneum.
2. Cov tshuaj me me hygroscopic
Nws covua kom noo nooCov khoom xyaw feem ntau yog cov polyols me me, cov kua qaub, thiab cov ntsev; lawv yog cov dej-nqus thiab tuaj yeem nqus cov dej noo los ntawm ib puag ncig, yog li ua rau cov dej noo ntawm cov tawv nqaij cuticles. Cov feem ntau suav nrog glycerol, butylene glycol, thiab lwm yam. Txawm li cas los xij, vim nws muaj zog hygroscopicity, hom khoom xyaw moisturizing no tsis haum rau lub caij ntuj sov noo heev thiab lub caij ntuj no txias thiab qhuav thaum siv ib leeg lossis diluted. Nws tuaj yeem txhim kho los ntawm kev sib xyaw cov roj thiab cov rog.
3. Cov tshuaj hydrophilic macromolecular
Feem ntau yog polysaccharides thiab qee cov polymers. Tom qab o nrog dej, nws tuaj yeem tsim cov qauv sib txuas lus, uas sib xyaw cov dej dawb kom cov dej tsis yooj yim poob, yog li ua lub luag haujlwm hauv kev ua kom noo noo. Feem ntau, cov khoom siv raw no muaj cov nyhuv ua zaj duab xis thiab muaj qhov zoo li daim tawv nqaij du. Cov khoom siv raw sawv cev yog cov kua qaub hyaluronic uas paub zoo. Nws muaj ntau yam kev siv, muaj kev nyab xeeb thiab mos muag, muaj cov nyhuv ua kom noo noo, thiab tsim nyog rau txhua hom tawv nqaij thiab huab cua.
4. Cov khoom xyaw kho kom zoo
Xws li ceramide, phospholipids thiab lwm yam khoom lipid. Lub stratum corneum yog lub cev lub ntuj thaiv. Yog tias qhov kev ua haujlwm thaiv raug txo qis, daim tawv nqaij yuav yooj yim poob dej noo. Ntxiv cov khoom siv raw uas txhim kho qhov kev ua haujlwm thaiv ntawm stratum corneum rau hauv cov khoom moisturizing tuaj yeem txo qhov dej poob ntawm daim tawv nqaij thiab ua tiav cov nyhuv moisturizing. Lawv zoo li cov kws kho cuticle.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-11-2023
