The technology

Understand how our non-invasive treatment technology works to improve mental wellness.

Our technology

Flow uses advanced neurostimulation technology that's been clinically proven to help alleviate depression symptoms and help with mental wellness through non-invasive treatment.

Depression is associated with imbalances in brain activity, especially in the prefrontal cortex—a region involved in mood regulation, decision-making, and emotion processing. tDCS uses a low electrical current to modulate this brain activity.

This is believed to restore more balanced brain function, which may help alleviate depressive symptoms over time.

In details

Non-Invasive Treatment

Unlike traditional treatments, Flow's technology works externally, requiring no surgery or invasive procedures.

Transcranial Direct Current Stimulation (tDCS) can target a root mechanism of depression, but it's not a complete cure or a guaranteed solution for everyone.

Flow works on one piece of the puzzle—neural activity—but not on all causes. It's best seen as part of a broader treatment plan, often used alongside therapy, lifestyle changes, or medication. The app proposes lifestyle changes to combine with the stimulation to help create and maintain long lasting treatment success outcome.

Does Flow target the underlying causes of Depression?
Can it be combined with antidepressants?

Safety

Flow's technology has undergone rigorous testing and received necessary certifications. Our device includes multiple safety features:

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Is Flow safe?
Will Flow work for me / can I use Flow?
Common side-effects

Flow could work for you, even when other treatments haven't.

Flow is one of several effective treatments for depression, it offers a new way forward, one grounded in neuroscience and designed for people who haven’t found relief with other treatments.

Flow may help if
  • You have depression or persistent low mood
  • Medication hasn’t worked, or causes side effects
  • You prefer a natural, non-drug treat

And it can work together in combination with other treatments

Flow can be used alongside other forms of treatment, Some people use it alongside medication, talk therapy, or lifestyle changes. We're here to support whatever approach works best for you.

How Flow Compares to Other Treatments

Many people use Flow on its own or alongside other treatments. Here's how it compares:

Feature
tDCS
TMS
Non-invasive
Yes
Yes
Drug-free
Yes
No
(used in clinic)
Side effects
Mild
(tingling, skin irritation)
Mild to moderate
(e.g. headache)
Typical use
30 mins/day × 5 days/week for 3 weeks, then 2/week for 7 weeks
Clinic sessions 5×/week
Time to benefit
Weeks
(often after 2–3 weeks)
Weeks
(often after 2–4 weeks)
Can combine with others
Yes
Often combined with medication
Feature
tDCS
TMS
Non-invasive
Yes
Yes
Drug-free
Yes
No
(used in clinic)
Side effects
Mild
(tingling, skin irritation)
Mild to moderate
(e.g. headache)
Typical use
30 mins/day × 5 days/week for 3 weeks, then 2/week for 7 weeks
Clinic sessions 5×/week
Time to benefit
Weeks
(often after 2–3 weeks)
Weeks
(often after 2–4 weeks)
Can combine with others
Yes
Often combined with medication

We support you at every step

Health support team
We know the struggles of health and the need to restore and preserve it. That's why good support comes naturally.
30 day guarantee
We are so confident that Eir will work for you that if you aren’t happy after 30 days, we’ll give you a full refund.
Fast shipping
Accessible in one click, delivered to your door within 1-3 working days. Simplified return process and refunds policy
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