Hemi-Sync Cashback

Refined with over 50 years of research and development, and supported by numerous independent studies, reports, and articles, the patented Hemi-Sync® technology has been scientifically and clinically proven to be effective. This unique audio-guidance process works through the generation of complex, multi-layered audio signals, which act together to create a resonance that is reflected in unique brainwave forms characteristic of specific states of consciousness. When you hear these through stereo headphones or speakers, your brain responds by producing a third sound (called a binaural beat) that encourages the desired brainwave activity. The result is a focused, whole-brain state known as hemispheric synchronization, or Hemi-Sync®, where the left and right hemispheres are working together in a state of coherence.

Hemi-Sync Coupon Codes

We don’t have any Hemi-Sync codes available at the moment. See: All codes and deals | Expired codes
Terms & Conditions and other useful information
    • Using a promotional/coupon code not posted and approved by TopCashback.
  • What else is essential?
    • Only purchases made on Hemi-Sync's US site are eligible for cash back.
  • Good to know
    • Cash back available through TopCashback on genuine, tracked transactions completed immediately and wholly online.
    • Transactions for this retailer usually appear in your account at lunchtime the following day, though in some cases this may take a few weeks. Transactions take about 15 - 45 days to become confirmed and should become payable shortly afterwards, unless otherwise indicated on the Avg Payment Speed statistics above. Recurrences may be limited.
    • Cash back rates are subject to change, both up and down.

    • Please note that some merchants may not be forthcoming with untracked cash back. We endeavor to chase untracked cash back but reserve the right to halt inquiries at any time. Please do not make purchase decisions based on expected cash back as it is not guaranteed. See our Terms and Conditions for more information.

    • From time to time the information displayed here may be out of date.
    • Not completing your transaction fully once you have clicked through TopCashback, and navigating away from site.
  • What to do when
    • Cash back can be earned simply by clicking 'Get cashback & visit retailer' button through to the merchant and shopping online as normal.
    • While the vast majority of transactions from merchants track successfully, occasionally a transaction may not get reported. If you believe this to be the case, please submit a "Missing Cashback" query within 100 days of the transaction, as we will be unable to chase up older claims. You must click through to the retailer and proceed with your purchase or transaction immediately and wholly online.

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