Ntawm no, peb yuav hais txog qhov no txhais tau li cas rau cov tuam txhab tshuaj pleev ib ce thiab muab cov lus qhia rau kev sau cov khoom xyaw ntawm cov ntawv cim khoom.

Daim ntawv lo tshuaj pleev ib ce yog dab tsi?
Qhov no yog daim ntawv lo - feem ntau pom ntawm cov khoom ntim - uas teev cov ntaub ntawv hais txog cov khoom xyaw thiab lub zog.Cov ntawv sau feem ntau suav nrog cov ntaub ntawv xws li lub npe khoom, cov khoom xyaw, kev siv tswv yim, lus ceeb toom, thiab cov ntaub ntawv tiv tauj cov chaw tsim khoom.

Txawm hais tias cov kev cai tshwj xeeb rau kev sau npe tshuaj pleev ib ce txawv ntawm lub tebchaws mus rau ib lub tebchaws, ntau lub tuam txhab tuaj yeem ua raws li cov ntawv qhia thoob ntiaj teb uas tsim los ntawm cov koom haum xws li International Organization for Standardization (ISO).

Raws li Txoj Cai Tshuaj pleev ib ce, txhua yam khoom yuav tsum muaj daim ntawv lo rau ntawm lub ntim uas teev cov ntsiab lus hauv thawj qhov kev txiav txim.FDA txhais qhov no yog "tus nqi ntawm txhua yam khoom hauv nqes mus."Qhov no txhais tau hais tias qhov ntau tshaj plaws yog teev ua ntej, ua raws li qhov siab tshaj plaws thib ob, thiab lwm yam.Yog tias cov khoom xyaw ua kom tsawg dua 1% ntawm tag nrho cov khoom tsim, nws tuaj yeem raug teev nyob rau hauv ib qho kev txiav txim tom qab thawj ob peb cov khoom xyaw.

FDA tseem xav tau kev saib xyuas tshwj xeeb rau qee cov khoom xyaw ntawm cov ntawv lo.Cov "kev lag luam zais cia" no tsis tas yuav sau npe, tab sis lawv yuav tsum raug txheeb xyuas tias "thiab/lossis lwm yam" ua raws li lawv cov chav kawm lossis kev ua haujlwm.

Lub luag haujlwm ntawm cov ntawv sau tshuaj pleev ib ce
Cov no muab cov neeg siv khoom paub txog cov khoom, suav nrog nws cov kev siv, cov khoom xyaw, thiab cov lus ceeb toom.Lawv yuav tsum ua kom raug thiab raug cuam tshuam cov ntsiab lus.Piv txwv li, ib qho "tag nrho cov natural" txhais tau hais tias tag nrho cov khoom xyaw yog lub hauv paus chiv keeb thiab tsis tau raug tshuaj.Ib yam li ntawd, ib daim ntawv thov "hypoallergenic" txhais tau hais tias cov khoom tsis zoo li yuav ua rau muaj kev tsis haum tshuaj, thiab "non-comedogenic" txhais tau hais tias cov khoom tsis zoo li yuav ua rau txhaws pores lossis blackheads.

Qhov tseem ceeb ntawm kev sau ntawv kom raug
Qhov tseem ceeb ntawm daim ntawv lo kom raug tsis tuaj yeem ua dhau los.Nws pab kom cov neeg siv khoom tau txais qhov lawv xav tau, ua kom cov khoom xyaw zoo thiab tau raug sim rau kev nyab xeeb.

Tsis tas li ntawd, nws yuav pab tau cov neeg siv khoom xaiv cov khoom tu tawv nqaij zoo.Piv txwv li, "anti-aging" lossis "moisturizing" cov khoom pab cov neeg siv khoom txiav txim siab paub ntau ntxiv thaum yuav khoom.

Cov laj thawj yog vim li cas cov khoom xyaw yuav tsum tau teev tseg
Nov yog qee qhov laj thawj tseem ceeb tshaj plaws:

Kev ua xua thiab rhiab heev
Ntau tus neeg muaj kev tsis haum lossis nkag siab rau qee cov khoom xyaw uas feem ntau siv hauv cov tshuaj pleev ib ce thiab cov khoom tu tus kheej.Yog tsis paub tias cov khoom xyaw twg muaj nyob hauv cov khoom, nws yuav tsis tuaj yeem qhia tau tias nws muaj kev nyab xeeb rau ib tus neeg siv.

Daim ntawv teev cov khoom xyaw tso cai rau cov neeg uas muaj kev tsis haum tshuaj los yog rhiab heev kom tsis txhob muaj cov khoom muaj txiaj ntsig.

Zam kev ua phem rau tsiaj
Qee cov khoom xyaw uas nquag siv hauv tshuaj pleev ib ce yog muab los ntawm cov tsiaj.Cov piv txwv no suav nrog:

Squalene (feem ntau yog los ntawm shark siab roj)
Gelatin (muab los ntawm tsiaj tawv nqaij, pob txha, thiab cov ntaub so ntswg sib txuas)
Glycerin (tuaj yeem muab rho tawm los ntawm cov tsiaj rog)
Rau cov neeg uas xav kom tsis txhob muaj cov khoom uas muaj cov khoom xyaw tsiaj, nws yog ib qho tseem ceeb kom paub cov khoom xyaw ua ntej.

Paub qhov koj muab tso rau ntawm koj daim tawv nqaij
Koj daim tawv nqaij yog koj lub cev loj tshaj plaws.Txhua yam koj muab tso rau ntawm koj daim tawv nqaij tau nkag mus rau hauv koj cov hlab ntsha thiab tuaj yeem ua rau muaj teeb meem sab hauv, txawm tias tsis muaj qhov tshwm sim tam sim ntawd.

Tsis txhob muaj cov tshuaj uas tsim kev puas tsuaj
Ntau yam khoom siv tshuaj pleev ib ce thiab tu tus kheej muaj cov tshuaj phem.Piv txwv li, phthalates thiab parabens yog ob hom tshuaj siv uas tau txuas nrog cov kab mob endocrine thiab teeb meem kev noj qab haus huv xws li mob qog noj ntshav.

Yog li ntawd, nws yog ib qho tseem ceeb kom paub cov khoom xyaw hauv cov tshuaj pleev ib ce thiab cov khoom siv kho mob uas koj siv txhua hnub.Yog tsis muaj cov ntaub ntawv no, koj tuaj yeem ua rau koj tus kheej tsis paub txog cov tshuaj phem.

Hauv kev xaus
Cov kab hauv qab yog cov tuam txhab tshuaj pleev ib ce yuav tsum sau tag nrho lawv cov khoom xyaw rau ntawm daim ntawv lo, vim tias tsuas yog txoj hauv kev los xyuas kom cov neeg siv khoom paub tias lawv tau tso rau ntawm lawv daim tawv nqaij.

Raws li txoj cai, cov tuam txhab yuav tsum tau sau qee cov khoom xyaw (xws li cov xim ntxiv thiab cov tshuaj tsw qab), tab sis tsis yog lwm yam tshuaj muaj txiaj ntsig.Qhov no ua rau cov neeg siv khoom tsis paub txog yam lawv tau muab tso rau ntawm lawv daim tawv nqaij.

Ib lub tuam txhab uas siv nws lub luag haujlwm tseem ceeb los qhia rau cov neeg siv khoom yuav tsis ntseeg tau tsim cov khoom lag luam zoo uas, dhau los, tau txais txiaj ntsig los ntawm cov neeg siv khoom uas dhau los ua cov kiv cua ardent.