Yuav kom txiav txim seb qhov pH thaum xaiv ib tug kom hniav zoo nkauj khoom?

Koj yuav zaum tau hnov nyob rau hauv commercials thiab xab npum da dej tshuaj kua, zom cov pos hniav, thiab, tsis tshua muaj, cream, mysterious lo lus "Paix Tshauv." Yuav ua li cas yog nws thiab ntau npaum li cas nws yog ib qho tseem ceeb heev rau peb thaum xaiv detergents thiab tshuaj pleev ib ce? Cia saib nws li no, thiaj li tsis mus tsis tas tau mus rau hauv tshuaj "zoov nuj txeeg." RN nyob rau hauv Latin - "pundus hydrogenium" - txhais tau tias "luj ntawm hydrogen." Qhov no pH nqi qhia tau hais tias cov theem ntawm alkali nyob rau hauv lub xub ntiag ntawm yam tshuaj los yog khoom. Tsis tas li ntawd nyob rau hauv lub advertising siv ob peb ua ke ntawm acid-puag tshuav nyiaj li cas thiab ib tug nruab nrab pH.

"Xab npum dries ntawm daim tawv nqaij ..." - qhov no yog qhov ntsiab lus ntawm kim advertising da dej gel. Tseeb, alkali - lub ntsiab muaj nyob rau hauv detergents - muaj xws li ib cov nyhuv. Txawm li cas los, muab li nkaus ntawm alkali kuj tsis yooj yim sua, vim hais tias nws yog nrog nws pab ntxuav tam sim ntawd cov av. Tsis muaj lye xab npum - tej tshuaj ntxuav tes, nws yog, muab tso rau hauv Txoj Moo Zoo cov lus yuav ntsev uas tau poob nws salinity. Yog li ntawd, lub pH nqi qhia ntau npaum li cas lye muaj nyob rau hauv cov khoom no. Nco ntsoov lub tsev kawm ntawv kev kawm: tus lye yog extinguished? Qhov ntawd yog txoj cai, lub acid. Yog li ntawd, peb tua lub ci dej qab zib thiab vinegar. Cov ob yooj yim tshuaj nyob rau hauv cov ntshiab daim ntawv no, ob leeg muaj ib dejnum tej yam ntawm daim tawv nqaij: corrodes acid thiab alkali dries.

Lub pH qhia yuav imagined li ib tug scale ntawm xoom 14. Thaum lub pH yog sib npaug zos rau zero, nws txhais tau hais tias yog tsis muaj alkali yog - acid nyob hauv cov ntshiab daim ntawv. Yog hais tias nws yog kaum plaub - ib tug natural alkaline. Nyob rau hauv dej distilled, yog li ntawd, lub pH yog sib npaug zos rau xya. Thaum xub thawj siab ib muag nws nkawd hais tias lub xya - yog qhov zoo tshaj plaws qhov taw qhia ntawm acid-puag tshuav nyiaj li cas. Tab sis tsis muaj - cov dej yog heev qhuav ntawm daim tawv nqaij, thiab yog tshwj xeeb yog zoo muaj los ntawm cov neeg uas, tom qab ib tug ntev ua luam dej los yog da dej pom tau tias ib tug khaus rau nws rov qab. Yuav ua li cas ua peb nrhiav tau ib tug "nruab nrab hauv av", thiaj li tsis mus xav tias qhov teeb meem los ntawm acid los yog alkali nyob rau hauv lub literal siab nyob rau hauv lawv tus kheej daim tawv nqaij?

Peb daim tawv nqaij kuj muaj nws tus kheej pH nqi. Nws yog hom twg tsis pub dhau plaub thiab ib tug ib nrab (nyob rau hauv cov neeg uas muaj oily daim tawv nqaij) mus rau tsib thiab ib tug ib nrab (qhuav daim tawv nqaij). Yog li ntawd, lub inscription rau cov tshuaj ntxuav tes, qab zib los yog gel rau da dej "kuas pH" txhais tau tias nyob rau hauv cov khoom hydrogen theem yog tsis ntau tshaj li 4.5-5.0 14-point scale. Tib yam tshaj plaws nyob rau advertising zom cov pos hniav: ib tug ntau yog vim li cas rau nws xo lawv - nws yog ceev los ntawm lub acid-alkaline nqi koj tshuav ntawm lub qhov ncauj tom qab noj mov haus dej haus cawv. Tab sis dab tsi ntxuav? Qhov no tshem tawm ntawm cov av thiab tuag tawv hais thiab nyob rau tib lub sij hawm lub sab sauv daim tawv nqaij txheej (zoo li cas yog hu ua tshwv nyhuv). Lub sebaceous qog paim ib qho acidic roj uas yog muab tshem tawm thiab tsis ntau tshaj li tus alkali.

Yog li ntawd, thaum xaiv soaps thiab lwm yam detergents, ib tug yuav tsum xav txog ntau npaum li cas koj xav noj tawm no tiv thaiv acid camouflage cloak. Tom qab acid tiv thaiv tsis tau dej, thiab tsis tau nws tiv thaiv chapping, ultraviolet rays, qhov teeb meem los ntawm qhov chaw. Ib qho ntxiv uas, thaum lub sebaceous qog - piv txwv li, nyob rau hauv lub sij hawm ntawm kev sib deev maturation - tsim ib yam nkaus thiab roj ntau. Tom qab ntawd, pores ua daig, ua rau lub tsos ntawm tus hluas zog tuaj pob txuv thiab pob txuv. Nyob rau hauv cov ntaub ntawv no, nws yuav ua rau kev txiav txim zoo xaiv kom hniav zoo nkauj khoom, qhov twg lub pH nqi ph yuav yuav los ze zog mus rau lub cim ntawm 9 - cov qib siab tshaj plaws ntawm alkalinity uas yuav tsis ua rau koj mus rau thaum ntxov wrinkles, thiab yuav qhuav ntawm daim tawv nqaij maj mam muab.

nws yuav tsum tau nco ntsoov tias txog qib uas alkaline nyob rau hauv lub li ib txwm pheej yig pob xab npum sib npaug 9-11 14-point scale rau cov neeg uas qhuav tawv nqaij. Tej nquag siv xab npum thaum qhuav thiab cover nrog dawb shelled touch tsis tau tsuas yog koj lub ntsej muag, tab sis kuj xav paub ntau zog ob txhais tes. Rau xws li cov neeg ntxuav optimally mos ua npuas ncauj nrog txiv hmab txiv ntoo acids, qhov twg lub Performance index ph nearing theem 3 (lub siab tshaj plaws acid theem). Xws li tus neeg txawm tom qab ntxuav ob txhais tes yuav tsum tau noj fatty nourishing cream.