What it is
O-Cymen-5-OL is a crystal synthetically made in a lab.
What it does
O-Cymen-5-OL is a preservative that prevents harmful fungi and bacteria from growing in our cosmetic products.
It’s also used as a biocide, a fancy way to say it helps cleanse skin and prevent bad odor by destroying the microorganisms that cause it.
O-Cymen-5-OL is generally considered to be safe in concentrations of 1% or less.
(Source: Truth In Aging)
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