A ban on the sale of tobacco and vape products from vending machines is also set to be enacted.
Under 21s won't be able to buy cigarettes under planned new laws from Wicklow Health Minister Stephen Donnelly.
Government Ministers will be asked to sign off tomorrow on proposals to raise the legal age that people can buy cigarettes from 18 up to 21 years.
The bill will be designed so that it does not affect those who are between the ages of 18 and 21 and who are currently legally entitled to be sold tobacco products.
A ban on the sale of tobacco and vape products from vending machines is also set to be enacted.
Further legislation is planned to ban disposable vapes, address issues around flavours of vapes and the bright colours of vape packaging.
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