How Long Carnauba Wax Last?

The drawback of carnauba waxes, if you can call it a drawback, is that it does not last as long as a synthetic sealant. A carnauba car wax finish will wear off in approximately 6 to 8 weeks.

Does carnauba wax go bad?

If you keep them sealed in a cool, dry, dark place, you should be fine for many years.

Which is better carnauba or synthetic wax?

Carnauba wax is best if you're looking for the ultimate shine, even if it doesn't last for a very long time. Synthetic wax is best if you're looking for protection that lasts for many months without requiring an intense shine.