Koj yuav tsum xyuam xim rau dab tsi thaum dyeing koj cov plaub hau?
Tsis txhob muab cov plaub hau dyes. Tsis txhob sib tov cov plaub hau dyes los ntawm ntau lub npe kom tsis txhob muaj cov tshuaj lom neeg tsis tsim nyog thiab tsim cov tshuaj lom thiab teeb meem. Dye ntau tshaj ob zaug hauv ib xyoos. Cov kws txiav plaub hau Japanese yuav qhia cov neeg siv khoom kom tsis txhob zas lawv cov plaub hau ntau zaus, thiab lub sijhawm ntawm ob txoj kev kho mob yuav tsum yog ntau tshaj 3 lub hlis. Cov hnub nyoog nruab nrab thiab cov neeg laus yuav tsum tsis txhob zas plaub hau ntau tshaj ob zaug hauv ib xyoos.
Tsis tas yuav dye nws tag nrho dua. Ntau cov hnub nyoog nruab nrab thiab cov neeg laus cov hauv paus plaub hau tig dawb sai sai tom qab dyeing. Lub sijhawm no, nws raug nquahu kom tsuas yog zas cov plaub hau dawb uas nyuam qhuav cog xwb, vim tias dyeing tag nrho lub taub hau dua yuav ua rau cov plaub hau dyed xaus dua. Rau cov neeg uas muaj qee cov plaub hau grey, tsuas yog zas xim rau cov cheeb tsam grey dub. Ntxuav ntau zaus tom qab dyeing. Txhawm rau tiv thaiv cov plaub hau zas kom tsis txhob nyob hauv tawv taub hau ntev, koj yuav tsum ntxuav koj cov plaub hau ntau zaus tom qab dyeing thiab tsis txhob khawb koj cov tawv taub hau thaum ntxuav kom tsis txhob muaj tshuaj nkag mus rau hauv lub cev.
Tsis txhob cia siab rau cov khoom ntuj tsim. Xaiv cov xim uas muaj xim daj lossis cov plaub hau nrawm nrawm uas muaj cov tshuaj paraphenylenediamine tsawg dua. Cov tub ntxhais hluas yuav tsum tsis txhob dyeing cov xim ci. Cov hnub nyoog nruab nrab thiab cov neeg laus feem ntau xaiv zas lawv cov plaub hau dawb rau hauv cov plaub hau dub, yog li lwm yam kev ceev faj yuav tsum tau ua nruj me ntsis. Txij li nws nyuaj rau zas cov plaub hau dub nrog cov plaub hau ntshiab tam sim no, thov tsis txhob ntseeg lawv gullibly. Xaiv cov khoom tsim nyog thiab tus kws txiav plaub hau. Qhov zoo thiab kev nyab xeeb ntawm cov plaub hau zas plaub hau los ntawm cov npe loj yog lav ntau dua. Tus kws txiav plaub hau uas tsim nyog yuav muaj kev tshaj lij thaum thov cov plaub hau zas plaub hau.
