Others have turned to using menthol-flavoured vaping liquids on cigarettes, despite it being intended for electronic cigarettes.
Owner of Wharfedale Premier convenience store in Hull, Samantha Coldbeck, said some customers had told her they would sprinkle their cigarettes with menthol flavoured e-liquids prior to smoking them.
She said: “I have been really shocked and concerned to hear that.
“I am warning customers of the dangers of homemade alterations, as vape liquids are not intended to be burned or inhaled.
“It demonstrates how dangerous it can be to ban a product that is in high demand as people will just try to find loopholes, and potentially, really damaging ones.”
The poll, commissioned by Marlboro manufacturer Philip Morris, which also makes heated tobacco device IQOS, found 14 per cent of the 308 adults surveyed continued to buy menthol cigarettes on sale illegally from local retailers while 11 per cent opted to quit smoking altogether.
And 31 per cent of the smokers said they had switched to or increased consumption of non-menthol cigs.
While 20 per cent said they had switched to or boosted their use of either menthol or non-menthol electronic cigarettes.
Deborah Arnott, chief executive of Action on Smoking and Health, said: “It’s just laughable for Philip Morris International to suggest that
smokers are likely to make their cigarettes more dangerous by adding menthol.
“Cigarette smoke is hot, toxic and carcinogenic, sticking to the inside of smokers, lungs and blood vessels and causing carnage throughout.”
The menthol ban formed part of the EU Robacco Product Directive, a series of laws to prevent young people from smoking and to reduce the number of people taking up the habit.
Alternatives to Menthol Cigarettes
Nicotine substitutes such as chewing gum, nasal spray and lozenges.
Heated tobacco, such as Heets from IQOS are heated rather than burned to reduce toxin levels compared to traditional cigarettes.
E-cigarettes and vapes, which mimic the habit of smoking, but without the toxic effects of tobacco smoke.