Physical And Chemical Index Testing of Cosmetics

(1) hom khoom: cream, tshuaj pleev ib ce, tshuaj pleev ib ce, lub ntsej muag lub ntsej muag, lub ntsej muag lub ntsej muag, lub ntsej muag ntxuav lub cev, tshuaj zawv plaub hau, tshuaj pleev ib ce, lipstick, foundation ua-up, qhov muag duab ntxoov ntxoo, qhov muag dub, ntsia thawv polish, naj hoom, tshuaj pleev thaiv hnub, tshuaj pleev ib ce me nyuam mos, tshuaj pleev ib ce tshwj xeeb (spot whitening, sunscreen, pob txuv tshem tawm, plaub hau dyeing, perm, thiab lwm yam).

(2) Cov khoom kuaj: cov tshuaj pleev ib ce tiav, cov khoom siv raw, ib nrab-cov khoom tiav, thiab cov dej ntau lawm.

(3) Cov xwm txheej siv tau: cov khoom siv raw khoom tuaj xyuas, kev tswj cov txheej txheem ntau lawm, kev tshuaj xyuas cov khoom tiav, kev tso npe thiab ua ntaub ntawv, kev soj ntsuam kev lag luam, kev soj ntsuam kev nyab xeeb, kev soj ntsuam kev ruaj ntseg, kev txiav txim siab.

(1) Sensory lub cev thiab tshuaj ntsuas ntsuas
Cov tsos, xim, tsw, pob tshab, uniformity, impurities, txheej, sedimentation, clumping, floating roj, pwm me ntsis.

(2) Kev ntsuas lub cev thiab tshuaj lom neeg
PH value, viscosity, relative density, density, solid content, moisture and volatile matter, turbidity, fineness, melting point, freezing point, refractive index, conductivity.

(3) Stability lub cev thiab tshuaj ntsuas ntsuas
Thaum tshav kub kub stability, txias stability, centrifugal stability, khov -thaw stability, kub stability, thiab tsis kub stability.

(4) Cov ntsuas kev ntxuav thiab ntxuav
Ua npuas ncauj qhov siab, ua npuas ncauj stability, detergency, tu lub zog, rinsing kev ua tau zoo, nto nro, wetting zog.

(5) Lub cev thiab tshuaj ntsuas cov khoom siv tshuaj pleev thaiv hnub
Sunscreen cov ntsiab lus, SPF tus nqi, UVA tiv thaiv Performance index (PA/PFA), qhov tseem ceeb wavelength, photostability, waterproof kev ua tau zoo, thiab hws kuj.