Choosing the right nicotine strength is one of the most important factors for a satisfying vaping experience. Yet it is one of the most misunderstood topics for many adult users in Europe. Terms like “mg/ml”, “Nicotine salt” or “strong” and “light” are often used without a clear explanation, which can lead to wrong decisions.
In Europe, nicotine is subject to strict legal regulations, particularly through the Tobacco Products Directive (TPD). These regulations create clear limits, However, they do not automatically make choice easier for consumers. Different types of devices, Usage habits and personal preferences also play a crucial role.
This guide explains in detail, how nicotine strengths work, which legal limits apply in Europe and how adult users can find the right strength for them - factual, transparent and without misleading promises.
What does “nicotine strength” actually mean??
The nicotine strength indicates, how much nicotine is contained in one milliliter of liquid. In Europe it is used almost exclusively in Milligrams per milliliter (mg/ml) specified. This unit of measurement enables clear comparability between different products.
Examples:
- 3 mg/ml → low nicotine concentration
- 6 mg/ml → low to medium concentration
- 10 mg/ml → medium concentration
- 20 mg/ml → maximum permissible concentration (TPD limit)
The higher the value, The more nicotine is potentially supplied to the body per puff - depending on the device and individual puff behavior.
Legal nicotine limits in Europe (TPD)
In the European Union, the nicotine content of e-liquids is clearly regulated. The Tobacco Products Directive specifies:
- Maximal 20 mg/ml Nicotine
- Applies to all liquids and pods containing nicotine
- Uniform for all EU member states
This limit is intended to enable controlled nicotine intake and at the same time strengthen consumer protection. Also countries like Germany, France, Spain and the Netherlands consistently implement this regulation.
This means for users: Products with higher nicotine strengths, as they exist in some non-European markets, are not legally available in Europe.
Difference between free nicotine and nicotine salt
An important aspect when choosing nicotine strength is the type of nicotine used.
Free nicotine (Freebase Nicotine)
- Classic form of nicotine
- Used in e-liquids for years
- Stronger in taste
- Often perceived as “scratchy” at higher strengths
Free nicotine is often used in more powerful devices used with lower nicotine concentration.
Nicotine salt (Nicotine Salt)
- Chemically stabilized form
- Milder when inhaled
- Allows higher nicotine strengths with low irritation
Nicotine salts are mainly used in... Pod Systems used and are particularly popular with users, who prefer a smooth and gentle experience.
Important: 20 mg/ml nicotine salt is not automatically “stronger” than 10 mg/ml free nicotine – the feeling depends heavily on the device and the pulling behavior.
How device type affects nicotine absorption
The nicotine strength alone says little, if the type of device used is not taken into account.
Pod systems
- Low performance
- Less steam per puff
- Often nicotine salt
- Typical strengths: 10–20 mg/ml
Pod systems are designed for efficiency, delivering nicotine evenly with a small amount of vapor.
More powerful devices (Mods, Sub-Ohm)
- High performance
- Large amount of steam
- Mostly free nicotine
- Typical strengths: 3–6 mg/ml
Here, sufficient nicotine is absorbed due to the larger amount of steam, even at low concentrations.
Which nicotine strength suits which type of user?
There is no “universally correct” nicotine strength. The selection should be based on individual factors.
Occasional users
- Rare use
- No strong nicotine addiction
- Recommendation: 3–6 mg/ml
These strengths offer a mild experience without an intense effect.
Regular users
- Multiple usage units per day
- Even vaping
- Recommendation: 6–10 mg/ml
Suitable for users, which is a constant, but not looking for an overwhelming nicotine experience.
Former smokers
- habit of nicotine
- Need for consistent effect
- Recommendation: 10–20 mg/ml, depending on the device
Pod systems with nicotine salt are particularly common here, as they enable gentle inhalation.
Common mistakes when choosing nicotine strength
Many negative experiences can be traced back to incorrect assessments.
Nicotine strength too high
- Unpleasant feeling
- Dizziness or irritation
- Less enjoyment of use
Nicotine strength too low
- discontent
- Vaping more frequently
- Not a satisfying experience
Device and nicotine not matched
A low nicotine strength in a low-power device can be just as inappropriate as a high strength in a high-performance device.
How to find the right nicotine strength step by step
For many users, one is step-by-step approach sensible:
- Start with a moderate strength
- Observation of your own feelings
- Customization as needed
Many European users reduce their nicotine strength over time, others remain at a constant level in the long term. Both are normal and individual.
Nicotine strength and long-term use
A common mistake is the assumption, that a certain nicotine strength is “better” or “worse”.. In reality it's about Stability and fit.
A constant, well-coordinated level:
- Avoid overconsumption
- Reduces frustration
- Supports controlled usage
In Europe this does not mean maximization, rather balance in the foreground.
Choosing the right nicotine strength is a combination of legal framework conditions, Device type and personal preferences. Thanks to clear TPD regulations, the European market offers transparent and comparable options for adult users.
Who understands, How nicotine strengths are measured, how they affect different devices and what role your own usage behavior plays, can make informed decisions and achieve a satisfactory vaping experience in the long term.

