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Cooling chemicals in vapes: WS-23, WS-3 and WS-5

RESEARCH ALERT
Some vapes use added chemicals to create a cold or icy feeling. New research has raised concerns about three of them: WS-23, WS-3 and WS-5. We do not yet know how common they are in Wales.

Cover of the ASH Wales Public attitudes to tobacco and vape regulation in Wales 2026 report

New Welsh report highlights confusion over vaping harms as duty begins

More than half of Welsh adults who have heard of vapes wrongly believe vaping is as harmful as smoking or worse, new ASH Wales YouGov findings show.
Illustration of modern vaping devices, e-liquid and pound symbols representing the new vaping duty

New vaping duty comes into force across Wales today

A new UK excise duty on vaping products starts today, 1 October 2026. Here is what the £2.20 per 10ml duty, new vape duty stamps and higher tobacco duty mean in Wales.

‘Nicotine-free’ vapes found to contain nicotine

SAFETY ALERT
UK Trading Standards tested 76 vapes sold as nicotine-free. Ten contained nicotine. This does not mean one in ten nicotine-free vapes across the UK contains nicotine.

Could nicotine products come as gels, creams or nasal inhalers?

ON OUR RADAR
UK law was written broadly enough to cover possible future nicotine products such as gels, creams and nasal inhalers. We have not confirmed that these are established consumer products in Wales or the UK.

Caffeine pouches that look like nicotine pouches

PRODUCT WATCH
Caffeine pouches are being sold in the UK in the same small under-the-lip format as nicotine pouches. They contain caffeine, not nicotine.

Vapes labelled HHC, HHC-P, THC-P or THC-O: the label may be wrong

SAFETY ALERT
Some cannabinoid vapes are sold with labels such as HHC, HHC-P, THC-P or THC-O. UK and Welsh testing shows the label may not match what is actually inside.

Nicotine gum that isn’t stop-smoking medicine

PRODUCT WATCH
Some nicotine chewing gum sold to consumers is not licensed as stop-smoking medicine. It can look similar to familiar nicotine replacement gum, so the packaging and purpose matter.

Nicotine ‘melts’: tablets that dissolve under the lip

PRODUCT WATCH
Small nicotine tablets that sit under the lip and dissolve completely are now being sold in the UK. They are different from nicotine pouches because there is nothing left to remove.

6-MN: a nicotine-like chemical appearing in some products

RESEARCH ALERT
6-MN is a chemical similar to nicotine that has appeared in some international vape and oral products. Early research says it should not be assumed to be a safer alternative to nicotine.

Nicotine pouches: what we know about young people and Wales

DATA UPDATE
We have Welsh data on adults and young adults, plus Great Britain data for 11–17-year-olds. We do not yet have an equivalent Wales-wide figure for under-18s.

Nicotine strips and pearls: small products that dissolve in the mouth

PRODUCT WATCH
Thin nicotine strips that dissolve under the lip are now being sold in the UK. They can be small and easy to miss, and being on sale does not tell us how common use is in Wales.

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