- Hydrogen Wellness Inhalation Unit
- Power supply
- Quick-start guide
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What’s included In the box
How to use (wellness routine) Simple routine
Many users start with short, consistent sessions and adjust over time based on comfort and goals. A common consumer wellness starting point is 20–30 minutes once daily, then reassess.
- Use in a well-ventilated space.
- Follow the device instructions and safety guidance.
- If you have a medical condition or use oxygen therapy, consult a clinician before use.
Educational content only — not medical advice. Individual experiences vary and research is ongoing.
Shipping & returns UK / EU / US
Shipping costs and delivery estimates are calculated at checkout based on your address. Returns are accepted in line with our policy (see Terms/Returns).
- Tracking provided where available.
- If an item arrives damaged, contact support promptly.
FAQ Answers
Is hydrogen inhalation safe?
Safety depends on concentration, device design, ventilation, and correct use. Always follow device instructions and use in a well-ventilated environment.
Why complexfour
A calmer, more credible approach to hydrogen wellness.
Education-first
Clear, careful language
We avoid hype. You’ll find practical guidance and responsible disclaimers.
Simple checkout
Stripe-secure payments
Fast purchase flow with shipping/contact collected safely during checkout.
Single product focus
One device, done well
Instead of dozens of SKUs, we optimize one flagship for a smooth start.
Medical disclaimer
Information on this site is for general educational purposes only and is not medical advice. Products are not intended to diagnose, treat, cure, or prevent any disease. If you have a medical condition, consult a qualified clinician before use.