What are the preservatives of facial masks?
What are the ingredients of preservatives for facial masks? The allergenic preservatives contained in many facial masks refer to parabens, also commonly known as Paraben, including methyl ester, ethyl ester, propyl ester, butyl ester and many other types. It's full of preservatives.
Because these elements can be rapidly absorbed, metabolized and excreted by the human body, they are considered to be highly safe anti-septic agents. Also included are less commonly used preservative ingredients, such as chlorobenzyl ether, quaternary ammonium salt -15, and sodium dehydroacetate.
Some preservative ingredients need to be paid attention to, such as phenoxyethanol will produce a burning sensation on the skin, methyl isothiazolinone (MIT) may produce allergies. Some older preservatives such as 2-bromo-2-nitropropane-1, 3-diol can be eliminated.