Check first
At the border
🛂 ENTERINGJapan 
Often restricted - check first.
- Some countries ban or heavily restrict vapes and nicotine liquids.
- Where allowed, small personal quantities are typical.
Helpful sources
🌐Japan Customs — passenger clearanceOfficial guidance↗To be 100% sure, we always recommend confirming with the official channels.
Import rules change often and vary by nationality. Confirm with the Japan customs authority or your embassy before you travel.