Dab tsi yog ib qho active ingredient rau cosmetic?
Tshuaj pleev ib ce tau nyob ib ncig ntawm ntau txhiab xyoo thiab lawv tau hloov zuj zus mus rau lub sijhawm. Niaj hnub no, cov tshuaj pleev ib ce yog ib feem tseem ceeb ntawm peb txoj kev ua neej thiab lawv pab peb saib peb qhov zoo tshaj plaws. Ib qho ntawm cov ntsiab lus tseem ceeb ntawm cov khoom siv tshuaj pleev ib ce yog cov khoom muaj txiaj ntsig. Nyob rau hauv tsab xov xwm no, peb yuav tham txog dab tsi raws nraim ib qho active ingredient yog rau cosmetic lub hom phiaj.
Overview of Cosmetic Active Ingredients
Cov khoom xyaw nquag yog ib qho tseem ceeb ntawm cov khoom siv tshuaj pleev ib ce uas tsim los muab cov txiaj ntsig tshwj xeeb rau cov neeg siv. Cov khoom xyaw nquag raug xaiv raws li kev npaj siv ntawm cov khoom. Piv txwv li, moisturizer tej zaum yuav muaj cov khoom xyaw nquag uas muab hydration thiab nourishment rau ntawm daim tawv nqaij. Ib yam li ntawd, cov tshuaj pleev thaiv hnub tuaj yeem muaj cov khoom xyaw uas tiv thaiv daim tawv nqaij los ntawm teeb meem UV rays.
Kev siv cov khoom xyaw nquag hauv tshuaj pleev ib ce yog tswj hwm los ntawm FDA (Food and Drug Administration). FDA xav kom tag nrho cov khoom xyaw nquag siv hauv cov tshuaj pleev ib ce muaj kev nyab xeeb rau kev siv thiab muaj txiaj ntsig zoo hauv kev muab cov txiaj ntsig uas lawv thov kom muaj. Cov kev cai no yog nyob rau hauv qhov chaw kom ntseeg tau tias cov tshuaj pleev ib ce muaj kev nyab xeeb rau cov neeg siv khoom.
Hom Active Cov Khoom xyaw
Muaj ntau hom khoom xyaw nquag siv hauv tshuaj pleev ib ce. Qee yam ntawm cov hom muaj xws li:
1. Emollients: Emollients yog cov khoom xyaw nquag uas pab kom moisturize thiab soften ntawm daim tawv nqaij. Lawv ua hauj lwm los ntawm kev tsim ib qho barrier uas pab khaws cov dej noo ntawm daim tawv nqaij. Piv txwv ntawm emollients muaj xws li glycerin, ceramides, thiab squalene.
2. Humectants: Humectants yog cov khoom xyaw nquag uas pab nqus dej noo los ntawm ib puag ncig rau hauv daim tawv nqaij. Lawv ua haujlwm los ntawm kev nyiam cov dej molecules rau ntawm daim tawv nqaij thiab tiv thaiv lawv ntawm evaporating. Piv txwv ntawm humectants muaj xws li hyaluronic acid, sorbitol, thiab urea.
3. Antioxidants: Antioxidants yog cov khoom xyaw nquag uas tiv thaiv daim tawv nqaij los ntawm kev puas tsuaj los ntawm cov dawb radicals. Lawv ua hauj lwm los ntawm neutralizing cov molecules puas thiab tiv thaiv lawv los ntawm kev ua phem rau daim tawv nqaij. Piv txwv ntawm antioxidants muaj xws li vitamin C, vitamin E, thiab ntsuab tshuaj yej extract.
4. Sunscreens: Sunscreens yog cov khoom xyaw nquag uas tiv thaiv daim tawv nqaij los ntawm teeb meem UV rays. Lawv ua haujlwm los ntawm kev nqus lossis cuam tshuam txog UV hluav taws xob thiab tiv thaiv nws los ntawm kev nkag mus rau ntawm daim tawv nqaij. Piv txwv ntawm cov tshuaj pleev thaiv hnub muaj xws li zinc oxide, titanium dioxide, thiab avobenzone.
Muaj ntau ntau lwm yam khoom xyaw uas tuaj yeem siv rau hauv cov tshuaj pleev ib ce, nyob ntawm cov txiaj ntsig tshwj xeeb uas cov khoom tsim los muab.
Xaiv cov khoom xyaw nquag
Xaiv cov khoom muaj txiaj ntsig zoo yog qhov tseem ceeb thaum tsim cov khoom kom zoo nkauj. Cov khoom xyaw nquag yuav tsum raug xaiv raws li qhov xav tau ntawm cov khoom siv thiab hom tawv nqaij ntawm tus neeg siv.
Piv txwv li, ib tug neeg uas muaj daim tawv nqaij qhuav tuaj yeem tau txais txiaj ntsig los ntawm moisturizer uas muaj emollients thiab humectants. Ib tug neeg uas muaj cov tawv nqaij rhiab tuaj yeem tau txais txiaj ntsig los ntawm cov khoom lag luam uas muaj cov khoom xyaw soothing xws li chamomile lossis aloe vera.
Nws kuj tseem ceeb heev uas yuav tsum xav txog tej yam kev ua xua lossis rhiab heev uas tus neeg siv yuav muaj. Piv txwv li, ib tug neeg uas muaj kev fab tshuaj rau cov txiv ntoo yuav tsum zam cov khoom uas muaj cov txiv ntoo derivatives.
Xaus
Hauv kev xaus, ib qho active ingredient yog ib qho tseem ceeb ntawm txhua yam khoom kom zoo nkauj. Nws muab cov txiaj ntsig tshwj xeeb rau tus neeg siv thiab pab kom sib txawv ib yam khoom los ntawm lwm tus. Thaum tsim cov khoom kom zoo nkauj, nws tseem ceeb heev uas yuav tsum xaiv cov khoom muaj txiaj ntsig zoo raws li cov txiaj ntsig xav tau thiab hom tawv nqaij ntawm tus neeg siv. Nws tseem ceeb heev kom ntseeg tau tias cov khoom xyaw nquag muaj kev nyab xeeb rau kev siv thiab ua tau raws li cov qauv kev cai.