Txhua daim tawv nqaij lightening khoom muaj ib pawg ntawm cov tshuaj, feem ntau yog los ntawm tej yam ntuj tso. Txawm hais tias feem ntau cov khoom xyaw nquag siv tau zoo, qee qhov ntawm lawv yuav muaj qee qhov kev mob tshwm sim. Yog li ntawd, kev nkag siab txog cov khoom xyaw nquag ntawm daim tawv nqaij lightening yog qhov tseem ceeb thaum xaiv cov khoom tu tawv nqaij.
Tias yog vim li cas kev sib tham ntawm cov khoom xyaw nquag no yog qhov yuav tsum tau ua. Koj yuav tsum nkag siab qhov tseeb ntawm txhua yam khoom ntawm daim tawv nqaij, kev ua tau zoo thiab kev phiv ntawm txhua yam khoom.
1. Hydroquinone
Nws yog feem ntau siv active ingredient nyob rau hauv daim tawv nqaij lightening khoom. Nws txo qhov tsim ntawm melanin. Lub Chaw Tswj Xyuas Khoom Noj thiab Tshuaj txwv nws txoj kev siv tsuas yog 2 feem pua hauv cov khw muag khoom tawv nqaij-lightening. Qhov no yog vim muaj kev txhawj xeeb txog nws cov carcinogenicity. Cov kev tshawb fawb tau pom tias nws tuaj yeem ua rau tawv nqaij khaus. Yog li ntawd, qee cov khoom muaj cortisone los txo qhov khaus. Txawm li cas los xij, nws yog ib qho khoom muaj txiaj ntsig zoo hauv cov khoom lag luam tawv nqaij nrog kev ua haujlwm antioxidant.
2. Azelaic acid
Nws yog ib qho khoom siv ntuj tsim los ntawm cov nplej xws li rye, nplej thiab barley. Azelaic acid yog siv los kho pob txuv. Txawm li cas los xij, nws kuj tau pom tias muaj txiaj ntsig zoo thaum lub sijhawm ua kom tawv nqaij, txo qis melanin ntau lawm. Nws yog tsim nyob rau hauv daim ntawv ntawm ib tug cream nrog ib tug concentration ntawm 10-20%. Nws yog ib qho kev nyab xeeb, lwm txoj hauv kev rau hydroquinone. Nws tuaj yeem ua rau khaus tawv nqaij tshwj tsis yog tias koj tsis haum rau nws. Kev tshawb fawb qhia tias azelaic acid yuav tsis zoo rau cov tawv nqaij pigmentation (freckles, moles).
3. Vitamin C
Raws li antioxidant, vitamin C thiab nws cov derivatives tiv thaiv cov tawv nqaij puas tsuaj los ntawm lub hnub lub UV rays. Lawv kuj ua lub luag haujlwm hauv cov txheej txheem ntawm daim tawv nqaij lightening, txo qhov tsim ntawm melanin. Lawv raug suav tias yog lwm txoj hauv kev nyab xeeb rau hydroquinone. Cov kev tshawb fawb tau pom tias lawv tuaj yeem nce qib glutathione hauv lub cev thiab muaj kev cuam tshuam ob qho tib si ntawm daim tawv nqaij lightening.
4. Niacinamide
Ntxiv nrog rau kev ua kom tawv nqaij dawb, niacinamide tuaj yeem ua kom tawv nqaij tawv nqaij thiab pob txuv, thiab ua kom tawv nqaij noo. Cov kev tshawb fawb tau pom tias nws yog ib qho kev nyab xeeb tshaj plaws rau hydroquinone. Nws tsis muaj kev phiv rau ntawm daim tawv nqaij lossis tib neeg cov kab mob lom.
5. Tranexamic acid
Nws yog siv nyob rau hauv ob qho tib si tshuaj pleev ib ce thiab qhov ncauj cov ntaub ntawv kom lighten daim tawv nqaij thiab txo cov tawv nqaij pigmentation. Nws kuj yog lwm txoj hauv kev nyab xeeb rau hydroquinone. Txawm li cas los xij, nws qhov kev ua tau zoo tsis tau raug pov thawj, tab sis qee qhov kev tshawb fawb qhia tias nws muaj kev nyab xeeb thiab siv tau zoo.
6. Retinoic acid
Ib tug vitamin "A" derivative, feem ntau yog siv rau hauv kev kho pob txuv, tab sis nws kuj siv tau rau cov tawv nqaij lightening, lub mechanism ntawm uas tsis paub. Txawm li cas los xij, cov kev tshawb fawb tau pom tias cov tawv nqaij khaus yog ib qho kev mob tshwm sim ntawm tretinoin, uas ua rau cov tawv nqaij rhiab heev rau UV rays, yog li cov neeg siv yuav tsum tsis txhob raug tshav ntuj vim nws yuav ua rau tawv nqaij tanning. Tsis tas li ntawd, nws tsis muaj kev nyab xeeb thaum cev xeeb tub.
7. Arbutin
Nws yog ib qho chaw ntawm hydroquinone los ntawm ntau hom pears thiab nplooj ntawm cranberries, blueberries, bearberries thiab mulberries. Nws txo qhov tsim ntawm melanin, tshwj xeeb tshaj yog nyob rau hauv nws daim ntawv ntshiab, raws li nws muaj zog dua. Nws yog ib qho kev nyab xeeb thiab siv tau zoo rau lwm cov tshuaj siv hauv cov khoom siv tawv nqaij. Txawm li cas los xij, kev tshawb fawb qhia tias arbutin tuaj yeem ua rau ntau daim tawv nqaij hyperpigmentation yog siv ntau npaum li cas.
8. Kojic acid
Nws yog ib qho khoom xyaw ntuj tsim thaum lub sij hawm fermentation ntawm mov thaum lub sij hawm wine ntau lawm. Nws zoo heev. Txawm li cas los xij, nws tsis ruaj khov thiab hloov mus ua cov khoom siv xim av uas tsis ua haujlwm hauv huab cua lossis hnub ci. Yog li ntawd, cov khoom siv hluavtaws yog siv los hloov cov khoom siv tawv nqaij, tab sis lawv tsis zoo li kojic acid.
9. Glutathione
Glutathione yog ib qho antioxidant nrog lub peev xwm ntawm daim tawv nqaij lightening. Nws tiv thaiv daim tawv nqaij los ntawm lub hnub puas tsuaj thiab tseem tiv thaiv daim tawv nqaij ntawm lightening. Glutathione tuaj nyob rau hauv daim ntawv ntawm lotions, cream, xab npum, tshuaj thiab txhaj tshuaj. Qhov zoo tshaj plaws yog cov tshuaj glutathione, uas tau noj ob zaug hauv ib hnub rau 2-4 lub lis piam txhawm rau txo cov tawv nqaij pigmentation. Txawm li cas los xij, cov ntaub ntawv tshuaj pleev ib ce tsis muaj txiaj ntsig vim lawv nqus tau qeeb thiab tsis zoo nkag mus rau ntawm daim tawv nqaij. Qee cov neeg nyiam siv daim ntawv txhaj tshuaj kom tau txais txiaj ntsig tam sim ntawd. Txawm li cas los xij, kev txhaj tshuaj dua tuaj yeem ua rau muaj kab mob ntawm daim tawv nqaij, ua pob ua pob. Cov kev tshawb fawb tau pom tias glutathione muaj peev xwm ua kom pom qhov tsaus ntuj thiab ua kom tawv nqaij. Nws kuj tau tshaj tawm tias muaj kev nyab xeeb.
10. Hydroxy Acids
Glycolic acid thiab lactic acid yog qhov zoo tshaj plaws ntawm α-hydroxy acids. Lawv nkag mus rau cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij thiab txo qhov tsim ntawm melanin, raws li kev tshawb fawb pom. Lawv kuj exfoliate, tshem tawm cov tawv nqaij tuag thiab cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij hyperpigmented. Qhov no yog vim li cas lawv tau pom tias muaj txiaj ntsig zoo hauv kev ua kom pom kev hyperpigmentation hauv daim tawv nqaij.
11. Decolorizer
Cov tshuaj depigmenting xws li monobenzone thiab mequinol tuaj yeem siv rau kev ua kom tawv nqaij mus tas li. Txij li thaum lawv tuaj yeem ua rau muaj kev puas tsuaj mus tas li rau cov hlwb tsim melanin, lawv tsuas yog siv rau cov neeg mob vitiligo. Lawv siv cov tshuaj nplaum uas muaj cov tshuaj no rau ntawm daim tawv nqaij uas tsis muaj kev cuam tshuam rau cov tawv nqaij. Txawm li cas los xij, tsis pom zoo siv cov tshuaj no rau cov tib neeg noj qab haus huv. Kev tshawb fawb qhia tias monophenone tuaj yeem ua rau tawv nqaij khaus thiab qhov muag tsis pom kev.
Lwm cov khoom xyaw nquag
Muaj ntau cov tshuaj uas pab cov tawv nqaij lightening kev lag luam. Txawm li cas los xij, kev tshawb fawb ntxiv yog xav tau kom paub meej tias qhov ua tau zoo thiab kev nyab xeeb ntawm txhua yam tshuaj. Ib qho ntawm cov khoom xyaw nquag yog licorice extract, tshwj xeeb yog licorice.
Cov kev tshawb fawb hais tias nws muaj txiaj ntsig zoo hauv kev ua kom pom kev tsaus ntuj, hyperpigmented ntawm daim tawv nqaij thiab ua kom tawv nqaij dawb. Nws txo qhov tsim ntawm melanin. Vitamin E ua lub luag haujlwm hauv cov txheej txheem ntawm daim tawv nqaij los ntawm kev txo qis melanin. Nws nce qib glutathione hauv lub cev. Txawm li cas los xij, xav tau kev tshawb fawb ntxiv kom paub meej txog kev ua tau zoo thiab kev nyab xeeb ntawm cov tshuaj no.
Thaum kawg, tsis yog tag nrho cov khoom xyaw nquag hauv cov khoom ua kom pom kev ntawm daim tawv nqaij muaj kev nyab xeeb. Qhov no yog vim li cas cov neeg siv khoom yuav tsum nyeem cov khoom xyaw ua ntej yuav ib yam khoom ua kom pom kev ntawm daim tawv nqaij.
Post lub sij hawm: Oct-14-2022