Cov xim ntuj ntawm cov plaub hau yog nyob ntawm ntau yam sib txawv, tshwj xeeb, ntawm cov xim melanin, uas yog lub luag haujlwm rau kev siv thiab saturation ntawm ntxoov ntxoo. Tsis tas li ntawd, kev tsim cov xim zas los ntawm melanocytes yog qhov tseem ceeb heev.
Cov plaub hau pigmentation nyob ntawm eumelanin thiab pheomelanin. Cov tom kawg muab daj-liab hues. Eumelanin yog lub luag haujlwm rau cov xim dub thiab xim av. Nws yog ua tsaug rau kev sib xyaw ntawm ob cov xim uas tag nrho gamut ntawm ntxoov tshwm. Txawm li cas los xij, nws tsim nyog sau cia tias lawv faib tsis sib npaug.
YProperties ntawm melanin
Melanin yog lub luag haujlwm rau cov plaub hau pigmentation. Tsaus tones ntawm lub xauv muaj nyob rau hauv cov neeg uas eumelanin predominates. Redheads yog cov nqa ntawm pheomelanin. Qhov ntau nws nyob rau hauv cov qauv ntawm cov plaub hau, lub brighter xim liab yuav.
Cov tswv ntawm cov plaub hau daj muaj qhov tsawg kawg nkaus ntawm melanin. Nws yog vim hais tias ntawm no feature uas blondes muaj daj ntseg ntawm daim tawv nqaij thiab yog nquag mus rau cov tsos ntawm vascular tes hauj lwm.
Ntau hom pigment
Muaj ob hom plaub hau pigmentation, ntawm lawvxim loj. Thawj hom muaj xim av tsaus, yuav luag dub tint. Cov xim no yog lub luag haujlwm rau xim saturation, uas yog, rau tsaus thiab lub teeb tone. Nws yog eumelanin.
Dhau li ntawm no, muaj pheomelanin. Hom xim no nyob rau hauv lub tshuab tsom iav zoo li lub pob, uas nyias daim hlau tuaj yeem paub qhov txawv. Nws yog lub luag haujlwm rau lub teeb daj thiab cov plaub hau liab.
Yuav ua li cas rau qhov ntxoov ntxoo
Muaj qee yam uas cuam tshuam rau cov pigments, thiab yog li muaj ob peb ntxoov plaub hau. Ntawm cov laj thawj tseem ceeb ntawm cov plaub hau pigmentation yog cov hauv qab no:
- xeev thiab kev ua haujlwm ntawm endocrine system;
- genetic predisposition;
- hnub nyoog hloov pauv;
- qee yam kab mob.
Xim ntau nyob ntawm qhov ntxoov ntxoo ntawm cov niam txiv, nrog rau lub xeev ntawm cov kabmob uas cuam tshuam ncaj qha rau kev tsim cov melanin. Nrog lub hnub nyoog, kev ua haujlwm ntawm cov hlwb lub luag haujlwm rau kev sib txuas ntawm cov pigments maj mam qeeb, vim tias cov plaub hau poob nws cov xim, thiab cov plaub hau grey.
Qee zaum, vim qee yam kab mob, cuam tshuam hauv kev tsim cov tshuaj melanin tshwm sim hauv lub cev, vim tias cov plaub hau thoob plaws lub cev dhau los ua tsis muaj xim.
Kev rov ua dua
Nov yog cov txheej txheem kho kom zoo nkauj tshwj xeeb, nws cov ntsiab lus yog kom saturate nrog cov xim ze rau ntuj. Cov txheej txheem zoo sib xws yog siv yog cov plaub hau, rau qee yam laj thawj, tau poob nws cov xim ntuj.khoom.
Raws li qhov tshwm sim ntawm cov txheej txheem no, cov plaub hau pigmentation rov qab los, tab sis cov xim yuav tsaus dua los yog rov ua dua. Repigmentation yuav tsum tau ua yog tias koj yuav tsum tau dye bleached los yog lightened strands nyob rau hauv tsaus tones.
Qhov tseeb yog tias tom qab cov txheej txheem bleaching, cov xim ntuj raug ntxuav tawm ntawm cov plaub hau thiab tsuas yog cov xim daj tsis tu ncua. Nyob rau hauv cov ntaub ntawv no, cov qauv ntawm cov plaub hau yuav fragile thiab ntxeem tau. Vim li no, cov khoom ntawm cov xim pleev xim tsis tuaj yeem nkag mus rau hauv lub strand thiab sai sai ntxuav tawm. Tsis tas li ntawd, thaum dyeing bleached plaub hau nyob rau hauv tsaus ntuj nti thiab dub, lawv muaj peev xwm tsuas tig ntsuab. Qhov no tshwm sim vim yog kev sib xyaw ntawm cov xim daj thiab xiav, uas muaj nyob rau hauv cov tshuaj zas xim. Ua tsaug rau qhov ua ntej pigmentation ntawm cov plaub hau ua ntej dyeing, xws li yuav zam tau. Cov txheej txheem no yuav tsum tau ua yog tias nws yuav tsum ua:
- thin highlighting es tsis txhob wide;
- ombre xim;
- muab ib qho xim tsis yog qhov tseem ceeb.
Cov txheej txheem ntawm cov plaub hau pigmentation yog qhov pib lawv yuav tsum tau kho nrog cov khoom tshwj xeeb uas muaj cov xim sib xyaw ua ke. Tom qab ntawd, ammonia dyeing nrog oxidant tuaj yeem siv tau. Cov ammonia muaj nyob rau hauv cov dyeing cuam tshuam nrog hydrogen peroxide, me ntsis nqa cov nplai ntawm cov plaub hau thiab tso cai rau cov xim nkag mus tob rau hauv lawv cov qauv.
Yog li, hauv txoj hluacov xim pleev xim tuaj yeem nkag mus rau hauv, muab cov curls qhov xav tau ntxoov ntxoo thiab muab cov txiaj ntsig ruaj khov. Cov txheej txheem rau kev ua pigmentation ntawm cov plaub hau ntawm lub taub hau feem ntau nyob ntawm seb hom xim muaj pes tsawg leeg uas siv los ntawm tus tswv. Ua li no, siv ib qho ntawm peb hom tshuaj muaj pes tsawg leeg, uas yog:
- semi-permanent;
- permanent;
- lub cev plaub hau dyes.
Qhov kev xaiv ntawm lawv feem ntau yog nyob ntawm qhov nyiam ntawm tus stylist thiab cov lus pom zoo ntawm cov chaw tsim khoom. Thaum xaiv cov xim, koj yuav tsum tsom mus rau qhov koj xav tau thaum kawg kom ua tiav qhov tob ntawm lub suab. Thaum siv cov xim muaj pes tsawg leeg, nws yog ib qho tseem ceeb uas yuav tau xav txog qhov kev puas tsuaj thiab porosity ntawm cov plaub hau.
prepigmentation ntawm cov plaub hau grey
Qee tus stylists siv lo lus no los txhais cov plaub hau grey nrog cov xim xim, uas nyuaj rau zas. Rau qhov no, cov xim kub thiab ntuj yog siv.
Koj yuav tsum siv cov xim uas yog ib lub suab sib zog dua li qhov xav tau ntxoov ntxoo. Cov plaub hau uas nyuaj rau xim yuav tsum tau kho nrog cov xim tsis muaj oxidizing tus neeg sawv cev. Khaws cov muaj pes tsawg leeg rau pre-pigmentation rau 10-15 feeb. Tsis txhob yaug qhov sib tov no, tab sis tsuas yog zuaj tawm nrog lub zuag ntsis. Nyob rau theem tom ntej, koj yuav tsum tau pleev xim rau cov plaub hau ntawm lub suab nrov uas koj xav kom tau txais qhov kawg. Tus neeg sawv cev oxidizing yuav tsum muab ntxiv rau cov xim.
hnub nyoog hloov pauv ntawm cov plaub hau xim
Rau cov neeg feem coob, cov plaub hau xim yuav ruaj khov thaum muaj hnub nyoog 5-6 xyoo. Tab sis qee zaum nws tshwm sim ntau tom qab, nyob ib ncig ntawm lub sijhawm puberty. Thiab tom qab 20 xyoocov plaub hau xim hloov. Lawv pib poob lawv cov pigmentation thiab maj mam tig grey.
Qhov laj thawj tseem ceeb rau qhov pom ntawm cov plaub hau grey yog suav tias yog kev txiav tawm ntawm melanin ntau lawm thiab tsim ntau cov npuas. Thaum pib, cov hauv paus plaub hau poob cov xim. Cov strands ua ntej tig grey, thiab thaum kawg tig dawb.
Thaum ntxov cov plaub hau grey provoked los ntawm: caj ces predisposition, kev nyuaj siab thiab yav tas los mob. Txhawm rau tiv thaiv cov txheej txheem greying, ntau siv mesotherapy. Ua li no, kev npaj uas muaj ntau cov vitamin B yog txhaj rau hauv tawv taub hau.
Cov me nyuam cov plaub hau hloov pauv
Cov plaub hau pigmentation hauv tus menyuam tuaj yeem tshwm sim thaum muaj hnub nyoog sib txawv. Qhov ntxoov ntxoo yuav nyob ntawm cov noob ntawm cov niam txiv thiab cov txheeb ze ze ntawm tus menyuam.
Hauv cov menyuam yaus plaub hau ncaj ncees hauv thawj xyoo ntawm lub neej, curls tsis txawv ntawm qhov ntom. Tsis txhob txhawj txog qhov no, vim tias kev tsim cov plaub hau yuav txuas ntxiv rau 5 xyoos. Qhov ntom ntawm cov plaub hau tsis cuam tshuam nrog qhov zaus ntawm kev txiav plaub hau. Qhov tsuas yog qhov lawv pab txhawb yog coarsening ntawm cov plaub hau.
Ntau zaus hauv thawj tsib xyoos, tus menyuam cov plaub hau tsaus. Cov kws kho mob hais tias qhov no tuaj yeem tshwm sim vim muaj kev hloov pauv ntawm kev faib cov xim melanin hauv lub cev. Qee lub sij hawm nws tshwm sim tias cov me nyuam mos liab pib ci, thiab qhov no tshwm sim vim qhov txo qis hauv eumelanin.
Thaum ntxov pom cov plaub hau grey
Cov plaub hau grey thaum ntxov - poob cov plaub hau xim hauv cov neeg qis dua 25 xyooxyoo. Qhov tshwm sim ntawm qhov teeb meem no yuav qhia tau ntau yam pathologies tshwm sim hauv tib neeg lub cev. Tsis tas li ntawd, cov plaub hau grey thaum muaj hnub nyoog me me tuaj yeem tshwm sim vim muaj keeb kwm keeb kwm. Kev poob ntawm cov plaub hau pigmentation nyob ntawm qhov cuam tshuam ntawm qee lub cev thiab lub cev thiab cov tsos mob xws li:
- ntshav qab zib;
- vitiligo;
- thyroid kab mob;
- teeb meem gastrointestinal;
- neurological ntshawv siab;
- kab mob vascular ntawm lub hlwb.
Anemia tshwm sim thaum poob lossis tsim cov qe ntshav tsis txaus. Vitiligo yog ib yam kab mob tshwj xeeb uas kho tsis tau. Raws li qhov tshwm sim ntawm tus kab mob no, daim tawv nqaij thiab plaub hau poob lawv cov xim, cov pob dawb tshwm ntawm cov ceg thiab lub cev.
Ntawm keeb kwm ntawm kev ntxhov siab lossis kev ntshai, cov tshuaj hormone adrenaline tso tawm rau hauv cov hlab ntsha. Nws rhuav tshem kev sib raug zoo ntawm cov xim thiab cov protein ntawm cov plaub hau ncej. Muaj kev tshem tawm tag nrho ntawm melanin.
Cov plaub hau grey thaum ntxov tuaj yeem tshwm sim nrog kev kho tshuaj. Qee cov tshuaj thaiv kev tsim cov melanin.
Kab mob cuam tshuam rau pigmentation
Impaired plaub hau pigmentation tuaj yeem tshwm sim los ntawm qee yam kab mob, uas suav nrog:
- vitiligo;
- albinism;
- Werner syndrome.
Vim li ntawm vitiligo, cov plaub hau thiab tawv nqaij tuaj yeem ploj. Albinism yog ib hom kab mob pathology. Nws yog tus cwj pwm los ntawm qhov tsis muaj xim ntawm daim tawv nqaij, plaub hau thiab qhov muag. ATFeem ntau albinos muaj cov tawv nqaij daj ntseg, cov plaub hau dawb, grey lossis txawm tias qhov muag liab. Werner syndrome kuj tuaj yeem ua rau greying ntxov ntxov.
Thaum lub sijhawm depilation lossis epilation, pigmentation los ntawm cov plaub hau tuaj yeem tshwm sim. Nco ntsoov paub vim li cas qhov teeb meem no tshwm sim thiab koj tuaj yeem daws nws li cas. Cov plaub hau feem ntau loj hlob vim yog kev npaj tsis raug rau depilation. Koj tuaj yeem tshem tawm pigmentation nrog bodyagi, salicylic thiab ichthyol ointment. Tsis tas li ntawd, nws yog ib qho tseem ceeb kom tshem tawm cov plaub hau ingrown, vim lawv tuaj yeem ua rau cov txheej txheem inflammatory. Lub cev tawm tsam nrog lub cev txawv teb chaws, uas yog vim li cas cov kua paug nkag rau hauv thaj chaw cuam tshuam. Tom qab qhib lub purulent neoplasm, nti yuav nyob twj ywm ntawm daim tawv nqaij.
