FAQs

CO₂ helps regulate circulation, oxygen delivery, and cellular metabolism. AEIR technology builds on these natural processes to support recovery.

CO₂ influences blood flow and oxygen release from hemoglobin through the Bohr effect. Transcutaneous CO₂ research has explored muscle regeneration, inflammation, and tissue repair.

AEIR focuses on CO₂ and its role in circulation and oxygen delivery through the Bohr Effect.

CO₂Renew is a topical formula for at-home body care. Professional AEIR CO₂ therapy sessions with AEIR full body suits are offered through participating recovery, sports performance, and wellness facilities.

AEIR works with sports teams, recovery centers, healthcare providers, and wellness facilities. Visit our provider locator or contact us to find a participating location.

AEIR CO₂Renew is a topical formula that generates CO₂ when activated on the skin, bringing CO₂ technology into a skincare routine.

CO₂Renew is designed for a refreshed, healthy-looking complexion. Research on topical CO₂ has explored changes in skin function, healing, and regeneration.

Apply a thin layer to clean, dry skin. Let the formula activate for at least 10 minutes. Rinse with warm water or leave on as last step in routine. Avoid broken open skin unless instructed otherwise.

CO₂Renew is designed to fit into a daily skincare routine, safe to use multiple times per day.

Yes, use CO₂Renew first, rinse, and then continue with your usual topicals, serums, and moisturizers.

We offer free shipping within the contiguous United States, with estimated delivery in 3–5 business days.

Yes, to Canada and most European countries. Applicable duties and taxes are calculated at checkout.

See our full Return Policy for eligibility, exclusions, and instructions.