Cov khoom xyaw tshwj xeeb ntim tshwj xeeb
Qee cov tshuaj pleev ib ce yuav tsum tau ntim tshwj xeeb vim qhov tshwj xeeb ntawm cov khoom xyaw kom ntseeg tau cov haujlwm ntawm cov khoom xyaw. Tsaus iav fwj, lub tshuab nqus tsev twj, hlau hoses, thiab ampoules feem ntau yog siv ntim tshwj xeeb.
1. Tsaus iav hub
Tom qab qee cov khoom xyaw photosensitive hauv tshuaj pleev ib ce yog oxidized los ntawm ultraviolet hluav taws xob, lawv yuav tsis tsuas yog poob lawv cov dej num thiab kev ua tau zoo, tab sis kuj yuav ua rau rhiab heev thiab toxicity. Piv txwv li, ascorbic acid thiab ferulic acid yog ib qho yooj yim rau photolytic oxidation, vitamin A cawv thiab nws cov derivatives Muaj photosensitivity thiab phototoxicity.
Txhawm rau tiv thaiv cov khoom zoo li no los ntawm photolytically oxidized los ntawm ultraviolet rays, lub ntim yuav tsum tau tiv thaiv los ntawm lub teeb. Feem ntau, cov iav fwj tsaus nti yog siv los ua cov khoom ntim, thiab cov fwj xim av xim av yog qhov feem ntau. Rau kev yooj yim thiab huv si, cov iav opaque fwj no feem ntau siv nrog cov tee dej.
Qee lub npe uas tsom rau cov khoom xyaw ua haujlwm tshwj xeeb tshaj yog nyiam cov qauv tsim no. Tom qab tag nrho, txaus kom muaj nuj nqis thiab muaj zog yog lawv cov npe kos npe, thiab tsim cov ntim tsim nyog yog lub hauv paus rau cov khoom siv raw los ua lub luag haujlwm.
Txawm hais tias lub fwj iav dub feem ntau yog siv los tiv thaiv lub teeb, nws tsis tau txiav txim siab tias cov tsoos tsoos los yog qhov zoo li yog vim li cas xaiv cov iav fwj tsaus. Qee cov khoom lag luam tsis muaj cov khoom siv photosensitive nyob rau hauv daim ntawv teev cov khoom xyaw, tab sis tseem siv opaque tsaus iav fwj, uas tej zaum yuav yog vim kev siv ib txwm siv ntawm no tsaus dropper iav fwj hauv tshuaj.
2. Airless twj tso kua mis
Txawm hais tias lub fwj iav tsaus muaj qhov ua tau zoo tiv thaiv lub teeb, lawv tsuas tuaj yeem cais cov huab cua ua ntej siv, thiab tsis haum rau cov khoom xyaw uas yuav tsum tau muaj kev sib cais ntawm huab cua ntau dua (xws li ubiquinone thiab ascorbic acid, uas yog siv los tiv thaiv oxidation). Thiab qee cov roj yam uas yooj yim oxidized (xws li shea butter), thiab lwm yam.
Yog tias cov khoom muaj pes tsawg leeg muaj qhov xav tau ntau dua rau airtightness, lub tshuab nqus tsev tuaj yeem siv tau. Lub tshuab nqus tsev twj feem ntau siv AS cov ntaub ntawv. Qhov zoo tshaj plaws ntawm hom ntim no yog tias nws tuaj yeem cais cov khoom siv lub cev los ntawm huab cua sab nraud. Lub ntim ntawm lub tshuab nqus tsev twj tso kua mis muaj lub piston nyob rau hauv qab ntawm lub raj mis. Thaum lub taub hau twj tso kua mis raug nias, lub piston hauv qab ntawm lub raj mis txav mus rau sab saud, cov khoom ntws tawm, thiab qhov chaw ntawm lub raj mis lub cev shrinks tsis muaj cua nkag.
3. Hlau cosmetic raj
Tsaus iav muaj qhov nruab nrab ntawm kev sib cais huab cua, thiab lub twj tso kua mis airless yog ua los ntawm cov yas, yog li nws nyuaj rau kev ua tiav lub teeb pom kev zoo. Yog tias cov khoom lag luam muaj cov kev xav tau siab heev rau kev tiv thaiv lub teeb thiab kev sib cais ntawm huab cua (xws li vitamin A cawv), nws yog ib qho tsim nyog yuav tsum nrhiav qhov zoo dua. Cov khoom ntim.
Lub raj hlau tuaj yeem ua tau raws li ob qhov kev xav tau ntawm kev sib cais ntawm huab cua thiab lub teeb shading tib lub sijhawm.
High-concentration vitamin A cawv cov khoom yog feem ntau khaws cia rau hauv txhuas raj. Muab piv nrog cov yas, txhuas raj muaj zog airtightness, tuaj yeem ntxoov ntxoo thiab tiv thaiv kom tsis txhob ya raws, thiab tiv thaiv kev ua haujlwm ntawm cov khoom.
4. Ampoule
Ampoules yog ib qho ntawm cov khoom ntim nrov hauv kev lag luam tshuaj pleev ib ce nyob rau hauv xyoo tas los no, thiab lawv cov airtightness thiab kev nyab xeeb yog qhov zoo tshaj plaws. Lub tswv yim ntawm ampoules hauv kev lag luam tshuaj pleev ib ce los ntawm ampoules hauv kev lag luam kho mob. Ampoules tuaj yeem khaws cov khoom xyaw nquag hauv airtight cia, thiab yog pov tseg, uas tuaj yeem ua kom muaj kev nyiam huv thiab kev nyab xeeb ntawm cov khoom, thiab muaj peev xwm cais tawm huab cua thiab cov pa phem.
Ntxiv mus, lub iav ampoule tuaj yeem hloov kho rau cov xim tsaus, uas muaj lub teeb pom kev zoo. Tsis tas li ntawd, cov khoom siv aseptic filling, thiab ib leeg-siv ampoule tsis tas yuav ntxiv cov tshuaj tua kab mob, uas yog qhov kev xaiv zoo rau cov neeg siv khoom uas muaj cov tawv nqaij rhiab heev uas tsis xav siv cov tshuaj tua kab mob.
Post lub sij hawm: Sep-01-2023