“Quit in one session, guaranteed.” If you have ever looked into stopping smoking, you have seen the adverts. Hypnosis is one of the most popular alternative methods for quitting. It is also one where the marketing has run well ahead of the science.
What the evidence shows
The most thorough summary comes from a 2019 Cochrane review, which pooled 14 trials involving around 1,900 smokers. Its conclusion: there is not enough evidence to say whether hypnotherapy is more effective than other forms of support, or than no treatment at all. Where hypnosis was compared with other behavioural support, quit rates were similar.
That is not the same as saying it does not work. The studies were mostly small, used very different methods, and were often of low quality. Some individual trials show a clear benefit; others show none. The honest verdict is “unproven,” not “disproven.”
Be wary of any practitioner who quotes a 90 or 95 per cent success rate. No well-run trial has come close.
Why some people swear by it
Plenty of ex-smokers credit hypnosis, and there are plausible reasons it could help:
- It strengthens motivation. A session focuses your attention on why you want to stop.
- It reframes smoking. Suggestions link cigarettes to unpleasant ideas and being smoke-free to pride and health.
- It offers a substitute response. You practise taking a slow breath when a craving hits.
- It marks a line in the sand. A session can act as a clear “quit moment,” which matters psychologically.
What definitely works
The methods with the strongest evidence are:
- Nicotine replacement therapy, especially combining a patch with a fast-acting form such as gum or lozenges
- Prescription stop-smoking medicines
- Behavioural support from a trained adviser
Combining medication with behavioural support gives the best odds.
A sensible way to use hypnosis
If hypnosis appeals to you, use it in addition to proven methods, not instead of them.
- Talk to your doctor, pharmacist or local stop-smoking service about medication.
- Set a quit date.
- Use hypnosis, with a practitioner or a recording, to build motivation and practise handling cravings.
- Plan for your triggers: the morning coffee, the drink after work, the stressful phone call.
- If you slip, treat it as information, not failure. Most people need several attempts.
Choosing a practitioner
Look for someone with a recognised healthcare or psychology qualification as well as hypnosis training. Avoid guarantees, pressure to pay for large packages upfront, and anyone who tells you to stop prescribed medication.
The bottom line
Hypnosis might help you quit, and it is unlikely to hurt. But it should not be your only tool.
Next in the series: Hypnosis for Pain Relief: The Best-Supported Use of Hypnotherapy
This article is for general information and is not medical advice.