Every ingredient in NOTORIOUS gear deodorant is antimicrobial, antifungal and/or antiviral. WHAT!? All natural ingredients fight all of those things? Is this some hippy dippy unproven nonsense?

It turns out people have tested the claims of essential oils and witch hazel in labs. They were unexpectedly effective against all sorts of things. We would like to take this time to say that NOTORIOUS gear deodorant comes in clear bottles, and that golden fluid above the label is PURE ESSENTIAL OILS. No other gear deodorant would dare come packaged in clear bottles.

We'll start with our tea tree essential oil from Australia. In Australia, tea tree oil is a common Aboriginal folk remedy used for everything from sterilizing wounds to treating various skin diseases. Here's what the U.S. Department of Health & Human Services National Institutes of Health has to say:
NIH Page on Tea Tree Oil

There are lots of reference links to follow for the science behind their summary.

A Paper on Tea Tree Essential Oil and drug resistant organisms

Peppermint essential oil also plays its part in killing or inhibiting microbes.

The Composition and Antifungal Activity of Peppermint (mentha peperita) Essential Oil From Iran

Our peppermint essential iil comes from India, but it's the same plant in the same region distilled the same way. Some more science on Peppermint Essential Oil.

Antibacterial and antioxidant activities of Mentha piperita L.

Here's what we have on lavendar essential oil (ours comes from Spain):

Lavender oil has potent antifungal effect.

Chemical Composition and Antimicrobial Activity of Essential Oils of Lavender

And the witch hazel carrier, which doesn't stay mixed with the essential oils and doesn't dilute them, also has micro organism fighting qualities:

Witch Hazel vs Viruses

Drugs.com claims for Witch Hazel