Frequently Asked Questions

Check most frequently asked questions here, if you still need help then please contact us at


The O2 cleanser only contain 3 simple ingredients hypochlorous acid (HOCL)+ infused oxygen, plant derived nano colloidal silver and distilled water. We are FDA OTC registered.

Yes, absolutely! The Mentis Company products are cruelty-free throughout their entire supply chain. We love our furry friends and would never test on them. 

Yes, The Mentis Company products are vegan and do not contain any animal byproducts.  

Our products of the safest plastics as it does not leach chemicals and it is 100% recyclable. 

We always try to be as sustainable as possible, we are looking into the future to come out with innovative sustainable packaging and refill systems.

Yes, our products have a 24-month use from its manufacturing until its expiration, so it is recommended that they be used within this time for best product quality.

If you received a package that has suffered any damage during shipment that affected The O2 Cleanser's product quality, you'll need to inform The Mentis Company before 7 calendar days from the delivery date.

To open and file the claim, you'll need to email the following (no claims will be processed unless this documentation is submitted):

  • Picture or video of the damaged item(s).
  • Picture of the shipping box the products were delivered in.
  • Picture of the shipping label on the shipping box.

The Mentis Company is unable to process a claim of a product damaged during transportation after 7 calendar days from the delivery date.

If you discard the products, and are unable to provide documentation of the damaged item(s), we will not be able to honor a refund/replacement. Products that have less than half of the liquid left inside are not eligible for a replacement or a refund.  


We Ship Domestically (Including Alaska,Hawaii and Puerto Rico) and Internationally.

If you order before 2pm MDT, your order will be shipped out on the same day. Anytime after 2pm the order will be shipped on the next business day. 

US orders Including Alaska, Hawaii and Puerto Rico is FREE up to 12 oz.

International Orders: 

1 O2 Cleanser = 6.99

2 O2 Cleansers = 10.99

3 O2 Cleansers = FREE Shipping


You can return the products you want from your order within 30 calendar days from the day you receive the products and we will issue you a refund. To start a return email us at


Once an order is successfully placed, we cannot accept "cancellations" or immediate refunds since the information is transferred to our logistics partner who processes orders immediately. Please note that inquiries emailed to any contact email other than will not be valid as request of modification or cancelation.