arbutin yog dab tsi?
1. Arbutinyog tsuas yog muab rho tawm los ntawm nplooj ntawm bearberry nroj tsuag. Cov nyhuv whitening ntawm α-arbutin yog 10-15 npaug siab dua β-arbutin.
2. Nws tsis tsim tshuaj lom, khaus, ua xua thiab lwm yam kev mob tshwm sim, thiab nws kuj muaj kev ua kom tsis muaj menyuam thiab tiv thaiv kev mob.
3. Arbutin tuaj yeem thaiv cov synthesis ntawm melanin kom ua tiav cov nyhuv whitening. Nws kuj yog ib qho zoo tshaj plaws ntawm daim tawv nqaij ntxuav hniav dawb thiab ua kom cov neeg sawv cev nyob rau hauv lub xyoo pua 21st.
Dab tsi cuam tshuam arbutin rau ntawm daim tawv nqaij?
1. Arbutin tuaj yeem txo qis pigmentation ntawm daim tawv nqaij, tuaj yeem txo cov melanin ntawm daim tawv nqaij, xws li pigmentation, thiab muaj qee yam tshuaj tiv thaiv thiab ua kom tsis muaj menyuam. Nws kuj tseem siv tau los ntawm cov ntxhais uas muaj tawv nqaij rhiab. Nws yog ib qho kev nyab xeeb thiab siv tau zoo ntawm daim tawv nqaij.
2. Arbutin yog muab rho tawm los ntawm cov nroj tsuag bearberry, uas yog ib qho khoom muaj kev nyab xeeb. Lub luag haujlwm tseem ceeb ntawm arbutin yog ua kom tawv nqaij tawv, txo qhov daj daj ntawm daim tawv nqaij, thiab ua rau daim tawv nqaij zoo dua thiab zoo dua. Fuller.
3. Arbutin tuaj yeem nkag mus rau hauv daim tawv nqaij sai sai, tsis muaj kev cuam tshuam cov concentration ntawm cell proliferation, nws muaj peev xwm inhibit qhov kev ua ntawm tyrosinase nyob rau hauv daim tawv nqaij, thaiv kev tsim ntawm melanin, thiab accelerate lub melanin los ntawm kev khi ncaj qha nrog tyrosinase. Decomposition thiab excretion, yog li txo cov tawv nqaij pigmentation, tshem tawm pob thiab freckles, thiab tsis tsim tshuaj lom, irritating, rhiab heev thiab lwm yam kev phiv ntawm melanocytes. Nws kuj muaj kev ua kom tsis muaj menyuam thiab tiv thaiv kab mob.
Cov kev ceev faj:
1. Thaum siv arbutin, koj yuav tsum tsis txhob raug tshav ntuj ncaj qha. Yog tias nws siv tsis raug, nws yuav tsis tsuas yog inhibit melanin, tab sis kuj ua rau nag lossis daus ntawm melanin.
2. Txawm hais tias nws yog β-arbutin lossis a-arbutin, nws tsuas tuaj yeem siv sab nraud, tsis hais qhov ncauj. Cov ntsiab lus no yuav tsum nco ntsoov kom tsis txhob muaj kev phom sij rau lub cev.
3. Thaum siv arbutin, xyuam xim rau kev sib xyaw ua ke. Piv txwv li, yog tias arbutin siv nrog methyl nibekin, nws yog ib qho yooj yim los tsim hydroquinone, ib yam khoom uas tsim kev puas tsuaj rau daim tawv nqaij, uas tuaj yeem ua rau ntau yam teeb meem ntawm daim tawv nqaij.
4. Nws yog qhov zoo tshaj rau kev ua xua ua ntej siv. Noj cov khoom siv arbutin uas tsim nyog thiab siv rau hauv dab teg sab hauv lossis daim tawv nqaij tom qab pob ntseg. Cov tawv nqaij ntawm ob txoj haujlwm no kuj yog nyias, yog li nws yog qhov tsim nyog rau kev ua xua. Cov txiaj ntsig ntawm qhov kev xeem kuj yog qhov tseeb dua. Tom qab siv cov khoom tu tawv nqaij, tos rau kaum tsib feeb thiab rov soj ntsuam dua. Yog tias tsis muaj qhov hloov pauv ntawm daim tawv nqaij, tsis muaj qhov liab liab, thiab lwm yam, nws txhais tau tias cov tawv nqaij tuaj yeem hloov mus rau nws, thiab koj tuaj yeem siv nws nrog kev ntseeg siab.
5. Thaum sivarbutin, tsis txhob siv nws nrog cov khoom tu tawv nqaij acidic, vim tias arbutin tsis ruaj khov nyob rau hauv ib puag ncig acidic thiab yuav decompose. Yog tias siv ua ke nrog cov khoom tu tawv nqaij acidic, cov nyhuv yuav tsis zoo.