Hypnosis to Quit Smoking: Does It Actually Work?

Hypnosis for smoking cessation is a polarising topic. Plenty of people say they quit through hypnotherapy, yet it is not among the stop-smoking treatments the NHS recommends — its pages point people to NRT, nicotine-free medicines, vapes and Stop Smoking Services. The truth is somewhere between "miracle cure" and "total quackery."

Here's an honest look at what the evidence actually shows.

What Hypnotherapy Is (and Isn't)

Clinical hypnosis involves inducing a focused, trance-like state of heightened suggestibility in which a trained practitioner delivers therapeutic suggestions. In the context of smoking cessation, these typically include suggestions about the aversiveness of smoking, the benefits of stopping, and alternative responses to cravings.

Hypnotherapy is not:

Mind control
Sleep
Something that works on unwilling participants
A single-session fix (in reliable hands)

The mechanism by which it might work: hypnotic suggestion may reinforce behavioral intentions and alter the emotional valence of smoking-related thoughts. This is consistent with what's known about hypnosis's effects on perception and automatic cognition.

What the Clinical Evidence Shows

Randomized Controlled Trials

The Cochrane Collaboration reviewed 14 randomised trials of hypnotherapy for smoking cessation (1,926 people). Its 2019 conclusion: there is insufficient evidence to determine whether hypnotherapy is more effective than other forms of behavioural support or unassisted quitting, and if a benefit is present, it is "small at most".

Specific findings:

Some trials show hypnotherapy performing comparably to behavioral counseling
Methodological quality of most trials is poor (inadequate randomization, short follow-up, small samples)
No consistent advantage of hypnotherapy over comparison conditions (advice, behavioral support) in the better-designed trials

A few individual trials show positive results for hypnotherapy, but these tend to be lower-quality studies. Higher-quality studies are more equivocal.

Compared to NRT and Medication

No high-quality head-to-head trial has found hypnotherapy to be more effective than varenicline or combination NRT. Compare what those have behind them: in their Cochrane reviews, NRT raised quit rates by about 50–60% and varenicline more than doubled them, both on high-certainty evidence from dozens of trials. Hypnotherapy results vary widely between studies, and most of the trials have a high risk of bias.

The Self-Reported Data Problem

Most of the compelling testimonials and some published studies rely on self-reported cessation rather than biochemically verified abstinence (e.g., cotinine testing). Self-reported quit rates are consistently higher than biochemically verified rates. Studies that verify cessation biologically tend to show more modest effects.

Why Some People Do Quit Through Hypnosis

The mechanism matters less than we might think. For some people, hypnotherapy provides:

A formalized "event" that marks the quit
Reduced anxiety about quitting through relaxation techniques
Stronger behavioral intention through the intervention experience
An emotional connection to the health arguments for quitting

These are real benefits. The question is whether they're specific to hypnosis or available through other behavioral interventions (counseling, CBT, group programs) that have stronger evidence.

It's also worth noting that people who seek out and pay for hypnotherapy tend to be highly motivated to quit. Testimonials come from the people it seemed to work for, which is why they can't tell you how well it works.

Allen Carr's Method (Not Hypnosis, but Often Grouped With It)

Allen Carr's "EasyWay" is often lumped with hypnosis in public perception, but it's a cognitive-behavioral approach based on reprogramming the perception of smoking rather than hypnotic suggestion. There is randomised trial evidence for it: a London trial of 620 smokers found no clear difference between a single Allen Carr's Easyway session and specialist NHS-standard support with medication — 19.4% versus 14.8% abstinent at six months, a difference that could be chance. It's arguably the better-evidenced of the "alternative" approaches.

Should You Try Hypnotherapy?

Given the evidence:

It might be worth trying if:

You've tried NRT and medication and they haven't worked
You respond well to behavioral and cognitive interventions
You're highly motivated but struggling with the psychological component of quitting
You find clinical settings inaccessible or unappealing

It should not replace:

NRT or prescription medication (which have dramatically stronger evidence)
Behavioral support from trained cessation professionals
A clear quit date and behavioral preparation

If you do pursue hypnotherapy, use it alongside pharmacological support, not as an alternative to it. The combination of NRT/medication + any behavioral support (including hypnotherapy) outperforms either alone.

Practitioner selection: Significant skill and approach variation exists. Look for registered clinical hypnotherapists with specific cessation experience. In the UK, the British Society of Clinical and Academic Hypnosis (BSCAH) registers trained practitioners. Avoid single-session "instant cure" claims.

FAQ

Does hypnosis work for quitting smoking?

The evidence is inconclusive. The Cochrane review found insufficient evidence that it beats other behavioural support or quitting unaided, and any benefit is "small at most". It is not more effective than NRT or varenicline in any well-designed study. If you want to try it, use it alongside medication, not instead of it.

How many hypnotherapy sessions does it take to quit smoking?

There's no evidence-based answer — the trials used different approaches and lengths, and none shows an ideal number. Be wary of anyone promising an "instant cure" in one session.

Is hypnotherapy on the NHS for smoking?

It isn't among the stop-smoking treatments the NHS recommends. NHS Stop Smoking Services offer free behavioural support plus NRT and nicotine-free medicines such as varenicline and cytisine — the options with the strongest evidence.