When choosing an e-cigarette, nicotine concentration is a crucial factor that influences the overall experience. Common nicotine strengths include 2% and 5%, which are typically expressed in milligrams per milliliter (mg/mL). For instance, 5% nicotine equals 50mg/mL, while 2% is 20mg/mL. The difference in these concentrations directly affects how the user experiences vaping, their health, […]