Keeb kwm ntawm rab chais tsis yog luv luv. Ntev npaum li tib neeg tau loj hlob cov plaub hau, lawv tau nrhiav txoj hauv kev los chais plaub hau, uas yog tib yam li hais tias tib neeg ib txwm sim txiav txim siab txog ib txoj hauv kev chais plaub hau.

Cov Greeks Ancient shaved kom tsis txhob saib zoo li barbarians. Alexander lub Great ntseeg hais tias lub ntsej muag bearded qhia ib tug tactical tsis zoo nyob rau hauv kev sib ntaus sib tua, raws li cov neeg sib tw yuav lob ahold ntawm cov plaub hau. Txawm li cas los xij yog vim li cas, qhov tshwm sim ntawm thawj rab chais tuaj yeem sau hnub tim rov qab mus rau lub sijhawm prehistoric, tab sis nws tsis yog txog ntau tom qab, hauv 18th.^thxyoo pua hauv Sheffield, England, hais tias rab chais keeb kwm raws li peb paub nws niaj hnub no yeej pib.

Nyob rau xyoo 1700 thiab 1800s Sheffield tau paub tias yog lub peev txheej ntawm lub ntiaj teb, thiab thaum feem ntau peb tsis txhob sib xyaw cov khoom siv nyiaj thiab cov khoom siv shaving, nws kuj yog qhov uas niaj hnub siv rab chais ncaj tau tsim. Txawm li cas los xij, cov chais no, txawm tias tsis zoo dua li lawv cov neeg ua ntej, tseem yog me ntsis unwieldy, kim, thiab nyuaj rau siv thiab tswj. Rau feem ntau, lub sijhawm no, rab chais tseem yog cov cuab yeej ntawm cov kws txiav plaub hau. Tom qab ntawd, thaum lub Kaum Ob Hlis 19^thxyoo pua, qhov kev taw qhia ntawm ib hom tshiab ntawm rab chais hloov txhua yam.

Thawj rab chais kev nyab xeeb tau qhia hauv Tebchaws Meskas hauv xyoo 1880. Cov chais thaum ntxov muaj kev nyab xeeb yog ib sab thiab zoo ib yam li lub hoe me me, thiab lawv muaj cov hlau tiv thaiv ib sab los pab tiv thaiv kev txiav. Tom qab ntawd, xyoo 1895, King C. Gillette tau qhia nws tus kheej version ntawm rab chais kev nyab xeeb, nrog rau qhov sib txawv tseem ceeb yog kev taw qhia ntawm rab chais ob-edged chais. Gilette cov hniav yog pheej yig, yog li pheej yig nyob rau hauv qhov tseeb tias nws yog feem ntau kim dua los sim tswj cov hniav ntawm cov qub kev nyab xeeb rab chais dua nws yog mus yuav cov hniav tshiab.