Cov Hom Tshuaj Xyuas Tshwj Xeeb yog suav nrog cov hauv qab no:
Acid antervatives: suav nrog benzoic acid, sorbic acid, propric acid thiab lawv cov ntsev. Cov kev ua haujlwm no ua si ib lub luag haujlwm tua kabmob los ntawm undissociated lwg thiab feem ntau ua haujlwm zoo nyob rau hauv acidic tej yam kev mob.
Ester cov tshuaj tiv tshuaj: feem ntau yog hais txog cov parabens (parabens). Cov tshuaj tiv thaiv no yog ua tau zoo nyob rau hauv cov acidic thiab nruab nrab kev daws teeb meem, thiab ethyl esters thiab propyl esters thiab butyl es yog siv hauv kev sib xyaw ua ke.
Cov tshuaj tiv thaiv muaj tseeb: Tam sim no, tib tus neeg tso cai siv yog nisin (ib qho bacterimin), uas muaj rau kev khaws cia ntawm cov zaub mov thiab tshuaj pleev ib ce.