Elf Bar disposable vape pens contain up to 5% nicotine by weight (50 mg/mL) –with some Hyde and Breeze, using a synthetic nicotine formula. Some Elf Bar devices are free of nicotine salt. Always read the product description to verify the presence of nic. Para aqueles de que buscam redução do danos causados pelo cigarro, a Zomo Vape desenvolveu