Ingredients 0mg, 3mg & 6mg:

Vegetable Glycerin (≤78%)

Propylene Glycol with Flavouring (≤22%)

Nicotine: 0% (0mg), ≤0.3% (3mg), ≤0.6% (6mg)

Ingredients 12mg & 18mg:

Vegetable Glycerin (≤50%)

Propylene Glycol with Flavouring (≤50%)

Nicotine: ≤1.2% (12mg), ≤1.8% (18mg)