1. Allantoin yog dab tsi
Allantoin, tseem hu ua dihydroxyallantoic acid aluminium, nws yog ib qho tsis muaj ntxhiab tsw dawb hmoov, amphoteric compound, soluble nyob rau hauv sodium hydroxide, allantoin saturated aqueous kua qhia tsis muaj zog acidity, pH 5.5.
Nws muaj lub luag haujlwm ntawm emollient thiab moisturizing, txhawb kev loj hlob ntawm tes, ua kom cov txheej txheem rov ua dua tshiab, thiab tshem tawm cov kab mob thiab liab.
2. Qhov sib txawv ntawm allantoin thiab urea
Allantoin yog ob qho tib si derivative ntawm urea thiab complex ntawm urea. Rau cov tawv nqaij, ob qho tib si muaj cov txiaj ntsig zoo sib xws hauv moisturizing thiab kaw dej thiab softening stratum corneum, tab sis lawv muaj qhov sib txawv. 0.2 feem pua allantoin yog sib npaug rau 10 feem pua ~ 20 feem pua ua urea, thiab allantoin tsis muaj qhov ua tsis zoo ntawm urea. Nyob rau tib lub sijhawm, nws kuj muaj cov txiaj ntsig ntawm kev txhawb nqa cell loj hlob thiab ua kom lub qhov txhab zoo. Nws yog ib tug zoo kho tus neeg saib xyuas thiab anti-ulcer tus neeg saib xyuas rau daim tawv nqaij qhov txhab.
3. Kev ua tau zoo ntawm allantoin
Emollient Kho:
Allantoin muaj cov nyhuv emollient zoo, tshwj xeeb tshaj yog rau cov tawv nqaij tawv thiab tawv, nws tuaj yeem rov qab smoothness thiab noo noo, thiab nyob rau tib lub sijhawm, nws tuaj yeem txhim kho cov dej nqus dej ntawm txheej txheej ntawm daim tawv nqaij thiab plaub hau, txhim kho cov hydrophilicity ntawm keratin molecules, thiab ua kom puas Lub cuticle yog kho, kho nws cov dej-absorbing peev xwm.
Moisturizing:
Allantoin txhawb nqa lub peev xwm nqus dej ntawm txheej txheej ntawm daim tawv nqaij thiab plaub hau, thiab txo cov evaporation ntawm daim tawv nqaij dej. Nyob rau tib lub sijhawm, nws tseem tuaj yeem tsim cov zaj duab xis lubricating rau ntawm daim tawv nqaij kom kaw cov dej, thiaj li ua tiav daim tawv nqaij moisturizing.
soften horny:
Allantoin muaj ib qho tshwj xeeb keratin-solving khoom. Thaum tshem tawm cov kab mob metabolic pov tseg cutin, nws ua rau qhov chaw intercellular nrog dej kom cov tawv nqaij moist thiab ci iab.
