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Cefaly uses TENS technology, which has been known about in medical circles for over 40 years and is used in pain treatment centres.
This technology is renowned for its safety and absence of side-effects.
Cefaly was designed and developed in line with a strict risk analysis compliant with international standard ISO 14971 applicable to medical equipment.
This analysis has eliminated all possible short-term and long-term dangers.
The only precautions and notable side-effects are as follows:
- Do not use Cefaly whilst driving
- Redness of the skin in the area around the electrode may persist for a few minutes after the session has ended.
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