SAHPRA Approved Microneedling Dr Pen E30 Wireless - Gold (Cordless)Dr Pen E30 Cordless works well in salon or at home, with a built in battery and 5 speed control Important for Derma Pen users: The derma pen functions on a vibratory and up and down motion and must, therefore be used with caution. The Dr Pen should be used with a serum or functional gliding gel to ensure smooth needling. Ensure held securely and allowed to glide over the skin without exerting excessive pressure, and without hastily gliding over the