Vape Hero Knowledge Centre
Straightforward, factual information about vaping devices, pods, e-liquid and UK rules. Everything here is written to answer a specific question, with review dates on anything that can change. Nicotine is an addictive substance and these products are for adults aged 18 or over.
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What is a vape?
A plain explanation of what a vape is, what is inside one and the main device formats sold in the UK.
Read guide →How vape devices work
What happens inside a device between the puff and the vapour, and why coils and airflow matter.
Read guide →MTL and DTL vaping explained
The difference between mouth-to-lung and direct-to-lung vaping, and which e-liquid and coil each one suits.
Read guide →Nicotine strengths explained: 10mg and 20mg
What 10mg and 20mg mean on a UK e-liquid label, how mg/ml works and how strength relates to device type.
Read guide →Browse by category
Recently published and updated
- What is a vape?Last reviewed 17 Sept 2026
- How vape devices workLast reviewed 17 Sept 2026
- MTL and DTL vaping explainedLast reviewed 17 Sept 2026
- Nicotine strengths explained: 10mg and 20mgLast reviewed 17 Sept 2026
- PG and VG explainedLast reviewed 17 Sept 2026
- How to prime a coil or new podLast reviewed 17 Sept 2026
UK rules, recycling and compliance
Rules change. Each page below shows the date it was last reviewed, and we update it when requirements change.
- UK vaping rules and age requirementsreviewed 17 Sept 2026
- How to recycle a vape, pod or e-liquid bottlereviewed 17 Sept 2026
Vaping glossary A–Z
Plain definitions for 0 vaping terms, from airflow and atomiser through to wattage.
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