Blog - FAQs


Research News From the Lab Everything Else FAQs

  • Tags:

Cold & Hot Temperatures and the AO+ Mist

AOB are pretty hardy. Remember, these are natural skin care products with natural bacteria. They were born for the outdoors, from rivers to plants to soil and beyond, so they are highly impervious to seasonal fluctuations. AOB can survive in most...

Continue reading


  • Tags:

What does "Biome-Friendly" actually mean?

In short, Biome-Friendly means that it will keep your skin microbiome intact, and will not harm Ammonia-Oxidizing Bacteria, or drastically alter your skin microbiome. Anything with a preservative will harm AOB, which is why Mother Dirt products are unpreserved. Most...

Continue reading


  • Tags:

Why is Mother Dirt so expensive?

We understand cost can be a concern. While we can't do much to change this for now, we're happy to be transparent in what drives the cost. We’re a young company and the first to grow and bottle our patented...

Continue reading


  • Tags:

Can't I just make this myself at home?

One of the most complex production pieces for us currently is producing 100% pure product. We test at every step of our process to make sure it only contains AOB and not other microorganisms. But let's say you didn't care...

Continue reading


  • Tags:

What is AO+ Mist?

AO+ Mist is a patented, live probiotic spray for the skin to be used after bathing, before bedtime and whenever you find convenient. The spray consists of strain of safe live-cultured AOB (Ammonia-Oxidizing Bacteria) that consume the ammonia in your...

Continue reading


  • Tags:

Meet Your Skin Biome

The Living Ecosystem We Evolved To Keep Us Healthy: Invisible to the naked eye, our bodies play host to trillions of microorganisms. Just like our gut relies on good bacteria and probiotics, our skin relies on good bacteria to help...

Continue reading


  • Tags:

A Little Dirt Never Hurt Anyone

For a long time, we've been told that killing 99.9% of bacteria was what we wanted, that it's the best way to be clean and healthy. For decades, even centuries, we've been guided by that belief that all bacteria and...

Continue reading


  • Tags:

How does the AOB in the AO+ Mist work?

The Nitrosomonas in the AO+ Mist work by consuming the irritating compounds produced by your skin (like ammonia and urea in sweat), and in turn producing beneficial byproducts. Specifically, Nitrosomonas produce Nitrite and Nitric Oxide. Nitrite tames the bad bacteria...

Continue reading


  • Tags:

What are AOB?

What are AOB? A microorganism found everywhere there is life. AOB is short for Ammonia-Oxidizing Bacteria, and they're found everywhere there is life: lakes, rivers, soil, and (formerly) on our skin. THEY USED TO BE PART OF US:   Historically,...

Continue reading

Put your favorite Mother Dirt products on auto-ship and never worry about running about again! Simply select your desired frequency, and we’ll send you reminders a few days prior to each shipment. What frequency is right for me?

Exclusive Perks: