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New laws on e-cigarettes are set to come into force on Friday.

The changes include rules meaning standardised plain packaging on vaping products and making them weaker.

The rules will be enforced under the Tobacco and Regulated Products Regulations 2016 with a one-year transitional period for the sale of old stock.

Here's everything you need to know about the new rules:

Containers will be smaller... and weaker

The amount of nicotine vapers inhale in each container is set to be reduced in two ways.

Firstly, the new maximum size of each refill container will be set at 10ml.

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There are currently no limitations on the size of refill containers. The changes could result in a price increase for consumers as it will not allow them to buy large amounts in.

(Image: Getty)

Secondly, the maximum strength of e-cigarette cartridges will drop to 20mg per millilitre (2 per cent) from 24mg

Packaging will carry health warnings

The front and back of e-cigarette packaging will contain health warnings much like regular cigarettes.

The warnings will state: ‘This product contains nicotine which is a highly addictive substance'.

E-cigs must be childproof

Vaping has experienced a boom in popularity in recent years - but the liquid solutions are potentially dangerous if ingested.

With more than 500 flavours available, e-cigarettes are also feared to be increasingly attractive to youngsters.

(Image: Reuters)

A number of people, including children, have been admitted to hospital after inadvertently swallowing the fluid.

New rules state cartridges must be childproof and tamper proof.

Adverts will change

Under the new laws, e-cigarette companies will no longer be able to make claims about vaping being beneficial to people's health.

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This includes a ban on comparisons between the merits of vaping compared to smoking cigarettes.

Celebrities will also not be allowed to endorse e-cigarettes and free samples cannot be given out in promotional campaigns.

Greater government scrutiny

For the first time, manufacturers will be asked to submit information to the government on exactly what their products contain to be allowed to sell them in the UK.