• Dab tsi yogMandelic acid?
Mandelic acid yog alpha hydroxy acid (Aha) muab tau los ntawm cov iab almonds. Nws yog dav siv nyob rau hauv cov khoom lag luam tawv nqaij rau nws exfoliating, tua kab mob, thiab kev laus tawm tsam.
• Lub cev thiab tshuaj ntawm mandelic acid
1. Cov qauv tshuaj
Tshuaj lom lub npe: Mandelic acid
Molecular Cov Qauv: C8H8O3
Molecular hnyav: 152.15 g / mol
Cov qauv: Mandelic acid muaj lub nplhaib benzene nrog cov pab pawg hydroxyl (-h) thiab cov pab pawg carbox (-COOH) txuas rau tib cov pa roj carbon a atom. Nws iupac lub npe yog 2-hydroxy-2-phenylacetic acid.
2. Lub zog lub cev
Zog: Dawb Crystalline Hmoov
Cov ntxhiab: Tsis muaj ntxhiab lossis me ntsis tus yam ntxwv tsw ntxhiab
Melting taw tes: kwv yees li 119-121 ° C (246-250 ° F)
Boiling point: decomposes ua ntej boiling
Solubility:
Dej: Soluble hauv dej
Cawv: Soluble hauv dej cawv
Etaws: soluble me ntsis hauv ether
Ceev: kwv yees li 1.30 g / cm³
3.Qhemical Khoom
Acidity (Pka): Pka ntawm Mandelic acid yog kwv yees li 3.41, taw qhia nws yog qhov qaug zog acid.
Stability: Mandelic acid yog qhov ruaj khov nyob rau hauv ib txwm muaj tab sis tuaj yeem txwv thaum raug rau qhov kub lossis muaj zog oxidizing cov neeg sawv cev.
Reactivity:
Oxidation: tuaj yeem yog oxidized rau benzaldehyde thiab formic acid.
Txo: Yuav txo tau rau cov cawv cawv mandelic.
4. Spectral cov yam ntxwv
UV-vis nqus: Mandelic acid tsis muaj qhov tseem ceeb UV-vis nqus vim tsis muaj qhov tsis muaj kev sib txuas ob npaug.
Infrared (ir) spectroscopy: tus yam ntxwv nqus band bands suav nrog:
Huag Ncab: ncig 3200-3600 CM⁻¹
C = o Ncab: Nyob ib ncig ntawm 1700 CM⁻¹
CO NCO: ib ncig ntawm 1100-1300 CM⁻¹
NMR spectroscopy:
¹H NMR: Qhia cov cim qhia tau rau cov protons uas muaj ntxhiab thiab cov pab pawg hydrockyl.
¹³c NMR: Qhia cov cim qhia rau cov pa roj carbon atoms hauv lub nplhaib Benzene, cov carcoyl carbon, thiab cov roj carbonyl-bearb.
5. Thermal Khoom
Melting taw tes: Raws li tau hais, mandelic acid yaj yaj ntawm kwv yees li 119-121 ° C.
Decomposition: Mandelic acid didomposes ua ntej boiling, qhia tias nws yuav tsum daws nrog saib xyuas ntawm ntug kev kub siab.
• Cov txiaj ntsig ntawmMandelic acid?
1. Kev ua kom maj mam tshem tawm
Tej co tawv nqaij yuav pab tau cov tawv nqaij uas tau raug tshem tawm ntawm cov tawv nqaij uas tuag lawm, txhawb nqa cov tshiab, smoother daim tawv nqaij hauv qab.
Kom nruj rau cov tawv nqaij tawv: Vim nws cov molecular loj piv rau lwm cov nqaij ntsuab zoo li cov tawv nqaij ntsuab, ua kom yuag dua thiab haum rau cov tawv tawv rhiab.
2. Los tiv thaiv cov yam ntxwv
◊ raug nplua txoj kab thiab wrinkles: kev siv cov kua qaub kom zoo nkauj tuaj yeem pab txo cov kab zoo thiab pob hluav taws xob ntawm kev txhawb nqa collagen ntau lawm thiab txhim kho kev ntxhib los mos.
◊ txhim kho cov tawv nqaij ntxiv rau kev txhim kho cov tawv nqaij elasticity, ua rau cov nqaij mos, ua kom cov hluas.
3. Kev Kho Mob
Cov khoom siv hluav taws xob: Mandelic acid muaj cov tshuaj tua kab mob uas pab txo cov kab mob pob khaus ntawm daim tawv nqaij, ua kom zoo rau kev kho thiab tiv thaiv pob txuv.
◊ red red reduc:: Nws pab txo qis thiab liab uas cuam tshuam nrog pob txuv, txhawb kom tawv nqaij ntshiab.
Insols pores pores: Mandelic acid pab rau kev tshem cov nqaij hlwb tuag thiab roj ntau dhau, txo qhov tshwm sim ntawm cov dubheads thiab paj dawb.
4. Hyperpigmentation thiab tawv nqaij ua rau muaj kev kub ntxhov
Kev txo nqi hyperpigmentation: mandelic acid tuaj yeem pab txo qis hyperpigmentation, tsaus nti, thiab melasma los ntawm kev tsim cov melanin, lub luag hauj lwm xim rau cov xim tawv xim.
E◊ Cov tawv nqaij Tone: Kev siv tawv nqaij tsis tu ncua tuaj yeem ua rau lub ntsej muag tawv me me thiab tawv ncauj.
5. Txhim kho kev ntxhib los mos tawv nqaij
ETAm tawv nqaij: Los ntawm kev tshem tawm cov tawv nqaij tuag thiab txhawb nqa cell pab kom du tawm cov tawv nqaij huv.
◊ rov ua kom tau cov acid tuaj yeem pab txo cov tsos ntawm cov hws loj, muab daim tawv nqaij ua kom zoo dua thiab zoo nkauj dua.
6. HIAV
Kev ceev acid ◊ acid moist ◊ Tsau yuav pab kom cov tawv nqaij kom zoo los txhim kho cov dej noo, ua kom muaj dej noo thiab cov plumper, ntau dua supple tsos.
7. Lub hnub puas tsuaj kho
EKUREDCES AF Kev puas tsuaj: Mandelic acid tuaj yeem pab kho cov tawv nqaij hnub los ntawm kev nce ntawm lub ntsej muag thiab lwm yam kev hyperpigmentation tshwm sim los ntawm UV kis.
• Cov ntawv thov ntawmMandelic acid?
1. Skincare cov khoom lag luam
Abtsi ◊Tshuaj ntxuav kom huv
Lub ntsej muag huv si: Mandelic acid yog siv nyob rau hauv lub ntsej muag ntxuav thiab sib sib zog nqus, pab tshem tawm cov tawv nqaij uas tuag taus, roj ntau dhau, thiab impurities.
Toners
Exfoliating toners: mandelic acid yog suav nrog hauv toners los pab sib npaug ntawm daim tawv nqaij pH, muab daim tawv me me, thiab npaj cov tawv nqaij txhawm rau txhawm rau cov kauj ruam kev sib tw ntawm cov theem
Abtsi ◊Yeeb yaj kiab
Kev kho mob kho: Mandelic acid surt yog nrov rau kev kho mob pob txuv, hyperpigmentation, thiab cov cim ntawm kev laus. Covers no xa cov koob tshuaj rau cov tawv nqaij mandelic rau daim tawv nqaij rau kev ua tau zoo tshaj plaws.
Abtsi ◊Moisturizers
Hydrating cream: mandelic acid yog qee zaum suav nrog cov tshuaj haws kom muab cov tawv nqaij maj mam ua thaum hydrating daim tawv nqaij, txhim kho kev ntxhib los mos thiab laus.
Abtsi ◊Tus pa
Tshuaj lom neeg Peels: Kev ua yeeb yam mandelic acid peels yog siv rau ntau dua kev ua exfoliation thiab tawv nqaij rejuvenation. Cov phooj ywg no pab txhim kho kev ntxhib los mos, txo pob txuv.
2. Dermatological Kho
Abtsi ◊Kho Mob Ntxau
Cov kev daws cov kev daws teeb meem: Mandelic acid yog siv rau hauv cov kev daws teeb meem thiab cov pob txuv vim nws cov tshuaj tua kabmob thiab muaj peev xwm txo cov pa thiab cov nplaim taws.
Abtsi ◊Hyperpigmentation
Kev ua kom nruj: Mandelic acid yog siv hauv kev kho mob rau hyperpigmentation, melasma, thiab tsaus nti. Nws pab kom inhibit melanin ntau lawm thiab txhawb nqa ib qho ntau dua cov tawv nqaij.
Abtsi ◊Kev Tawm Tsam Laus
Kev kho mob tiv thaiv kev laus: Mandelic acid muaj nyob rau hauv kev tiv thaiv kev laus kom txo cov kab ntawm cov kab zoo thiab pob, txhim kho cov tawv nqaij elasticity, thiab txhawb kev tsim cov tawv nqaij.
3. Cov txheej txheem kom zoo nkauj
Abtsi ◊Tshuaj Yeeb Nkab
Cov kws tshaj lij cov neeg Peels: dermatologists thiab kho cov nqaij tawv nqaij ua kom muaj ntxau li cas xws li pob txuv, hyperpigmentation, thiab cov cim ntawm kev laus.
Abtsi ◊Microneedling
Txhim kho cov nqus: mandelic acid tuaj yeem siv tau nrog cov txheej txheem kho kom haum rau kev nqus cov txheej txheem thiab txhim kho nws txoj kev ua tau zoo hauv kev kho cov tawv nqaij cov tawv nqaij.
4. Cov ntawv thov kho mob
Abtsi ◊Cov Tshuaj Tiv Thaiv Athibacterial
Cov tshuaj pleev cov tshuaj pleev cov tshuaj pleev cov tshuaj tiv thaiv: Mandelic acid cov tshuaj tua kab mob ua kom nws muaj txiaj ntsig zoo rau cov kab mob ntawm daim tawv nqaij thiab cov xwm txheej.
Abtsi ◊Qhov txhab zoo kho
Kho cov neeg sawv cev: Mandelic acid yog qee zaum siv nyob rau hauv cov qauv tsim los txhawb kho kom zoo thiab txo kev pheej hmoo kis mob.
5. Cov Khoom Tu Plaub Hau
Abtsi ◊Kev Kho Mob Taub Hau
Exfoliating cov tawv taub hau:Mandelic acidPuas yog siv rau hauv cov kev kho tawv taub hau kom ua rau cov hlwb tuag tuag, txo cov dandruff, thiab txhawb nqa lub chaw noj qab nyob zoo.
6. Cov Khoom Siv Hauv Qhov ncauj
Abtsi ◊Tshuaj ntswg
Cov tshuaj yaug qhov ncauj tiv thaiv kab mob: Mandelic acid cov tshuaj tua kab mob ua rau nws cov tshuaj yaug qhov ncauj tsim los txo cov kab mob ntawm qhov ncauj thiab txhim kho qhov ncauj nyiam.
Cov lus nug ntsig txog koj tuaj yeem txaus siab rau:
♦ Qhov tshwm sim ntawm dab tsiMandelic acid?
Thaum lub sij hawm mandelic acid feem ntau muaj kev nyab xeeb thiab muaj kev nyab xeeb, nws tuaj yeem ua rau cov tawv nqaij xws li tawv nqaij, ua kom qhuav, ua xua. Txhawm rau txo cov kev pheej hmoo no, ua ib daim duab ntsuas, pib nrog cov dej npau suav, siv cov tshuaj hydrovizer, siv cov tshuaj pleev xim txhua hnub, thiab zam dhau-exfoliation txhua hnub, thiab zam kev sib cais. Yog tias koj muaj kev cuam tshuam hnyav dhau los yog kev phiv loj, sab laj tus kws kho mob dermatologist rau cov lus qhia tus kheej.
♦ Yuav siv cov mandelic acid
Mandelic acid yog ib qho ntau yam alphalo idroxy acid (AHA) uas tuaj yeem cuam tshuam rau hauv koj cov tawv nqaij kev txhawj xeeb xws li pob txuv, hyperpigmentation, thiab cov cim ntawm kev laus. Ntawm no yog cov lus qhia dav dav txog kev yuav siv mandelic acid zoo thiab nyab xeeb:
1. Xaiv cov khoom lag luam zoo
Cov Khoom Khoom
Cov tshuaj ntxuav kom huv: mandelic acid cleansers muab kev ua kom maj maj thiab kev ntxuav kom sib sib zog nqus. Lawv haum rau kev siv txhua hnub.
Toners: exfoliating toners nrog mandelic acid pab sib npaug ntawm daim tawv nqaij lub p thiab muab me me exfoliation. Lawv tuaj yeem siv txhua hnub lossis ob peb zaug hauv ib lub lis piam, nyob ntawm koj cov tawv nqaij ua kom tau.
Serums: mandelic acid serums muaj kev kho mob feeb rau kev txhawj xeeb ntawm daim tawv nqaij tshwj xeeb. Lawv feem ntau siv ib zaug lossis ob zaug ib hnub.
Moisturizers: qee cov moisturizers muaj cov kua qaub mandelic muaj los muab cov dej ua haujlwm thiab maj mam exfoliation.
Peels: Kev ua yeeb yam mandelic acid peels yog ntau dua kev ua kom muaj zog thiab yuav tsum tau siv nyob rau hauv cov kev taw qhia ntawm tus kws kho mob dermatologist lossis Skincare Professional lossis Skincare Professional.
2. Yuav ua raws li Mandelic acid rau hauv koj cov kev ua
Kauj ruam-rau-kauj ruam qhia
Abtsi ◊Kev ntxuav
Siv cov tshuaj ntxuav maj mam: Pib nrog maj mam, tsis-exfoliating cleanser kom tshem tawm cov av, roj, thiab pleev.
Yeem: Yog tias koj siv aMandelic acidCareser, qhov no tuaj yeem yog koj thawj kauj ruam. Thov siv cov tshuaj ntxuav kom huv si rau cov tawv nqaij ntxeem, zaws maj mam muab, thiab yaug kom huv si.
Abtsi ◊Teej yas
Thov hu ua toner: Yog tias koj siv cov kua txiv mandelic, thov nws tom qab ntxuav. Soak lub paj rwb nrog lub toner thiab los so nws hla koj lub ntsej muag, zam kev thaj tsam ntawm qhov muag. Cia nws nqus tau tag nrho ua ntej tsiv mus rau kauj ruam tom ntej.
Abtsi ◊Tshuaj Pleev Daim Ntawv Thov
Siv cov ntshav dej: Yog tias koj siv cov kua txiv hmab txiv ntoo uas tsis zoo, thov ob peb tee rau koj lub ntsej muag thiab caj dab. Maj mam muab plhws lub ntshiab rau hauv koj cov tawv nqaij, zam kev thaj tsam ntawm qhov muag. Cia nws nqus kom tiav.
Abtsi ◊Moisturizing
Siv cov moisturizer: Ua raws li cov dej num cov dej npau taws yuav xauv rau hauv noo noo thiab soothe rau ntawm daim tawv nqaij. Yog tias koj moisturizer muaj cov kua qaub mandelic, nws yuav muab cov txiaj ntsig exfoliation ntxiv.
Abtsi ◊Kev Tiv Thaiv Tshav Ntuj
Thov cov tshuaj pleev thaiv hnub: Mandelic acid tuaj yeem nce koj daim tawv nqaij cov rhiab rau lub hnub. Nws yog qhov tseem ceeb los siv cov tshuaj pleev thaiv dav dav dav nrog tsawg kawg SPF 30 txhua tag kis, txawm nyob rau hnub huab.
3. Cov zaus ntawm kev siv
Abtsi ◊Kev Siv Txhua Hnub
Cleansers thiab Toners: Cov no tuaj yeem siv txhua hnub, nyob ntawm koj cov tawv nqaij ua kom tau. Pib nrog txhua lwm hnub thiab maj mam nce rau kev siv txhua hnub yog tias koj cov tawv nqaij daws nws.
Serums: Pib nrog ib zaug txhua hnub, nyiam dua nyob rau yav tsaus ntuj. Yog tias koj cov tawv nqaij tiv thaiv nws zoo, koj tuaj yeem nce mus ob zaug ib hnub.
Abtsi ◊Kev Siv Txhua Lub Limtiam
Peels: Kev ua haujlwm mandelic acid peels yuav tsum tau siv tsawg dua, feem ntau ib zaug txhua 1-4 lub lim tiam, nyob ntawm lub tswv yim thiab koj cov tawv nqaij tsis kam. Nco ntsoov ua raws li cov kev taw qhia ntawm pob ntseg tawv nqaij.
4. Thaj kev kuaj
Thaj chaw xeem: ua ntej sib koom ua ke rau hauv koj txoj kev niaj hnub, ua ib qho kev kuaj thaj ua kom koj tsis muaj cov tshuaj tiv thaiv tsis zoo. Thov ib qho khoom me me ntawm cov khoom lag luam tsis zoo, xws li qab koj lub pob ntseg lossis ntawm koj lub ntsej muag sab hauv, thiab tos 24-48 teev los kuaj xyuas tej cim ntawm kev voos.
5. Ua ke nrog lwm cov khoom xyaw
Abtsi ◊Cov khoom xyaw tau tshaj
Hyaluronic acid: muab cov dej thiab ua haujlwm zoo nrogMandelic acid.
Niacinamide: Pab ua kom cov tawv nqaij soothe rau ntawm daim tawv nqaij thiab txo qhov mob, ua rau nws ua tus khub zoo rau mandelic acid.
Abtsi ◊Cov khoom xyaw kom tsis txhob muaj
Lwm cov exfoliants: zam lwm tus Ahass, Bhass (zoo li cov kua roj salicylic acid), lossis exfoliants rau tib hnub los tiv thaiv kev sib txawv thiab voos.
Retinoids: Siv retinoids thiab mandelic acid ua ke tuaj yeem ua rau muaj kev pheej hmoo ntawm kev voos. Yog tias koj siv ob qho tib si, txiav txim siab lwm hnub lossis sab laj nrog tus kws kho mob dermatologist rau cov lus qhia tus kheej.
6. Saib xyuas thiab kho kom haum
Abtsi ◊Saib xyuas koj cov tawv nqaij
Soj ntsuam cov kev tawm tsam: Ua tib zoo saib seb koj daim tawv nqaij ua teb rau mandelic acid. Yog tias koj tau hnov ntau ntau dhau, voos, lossis qhuav, txo qhov ntau zaus ntawm kev siv lossis hloov mus rau qhov qis dua.
Kho raws li xav tau: Skincare tsis yog ib-haum-fits-txhua. Kho qhov zaus thiab kev xav txog cov txiv ntoo ntawm cov tawv nqaij raws koj cov tawv nqaij cov kev xav tau thiab kev zam txim.
Lub Sijhawm Post: Sep-24-2024
