Frequently Asked Questions


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

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.


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.

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.  

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. Purchased only through To start a return email us at


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

If you order before 3 pm EST , your order will be shipped out on the same day. Anytime after 3 pm 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

30 Day Money Back Guarantee

Returns within 30 days receive a full refund. Learn More

Worldwide shipping

All Domestic Orders include FREE shipping

24/7 support

Online Chat or text us at 1-888-839-1110