Derma Pen Introduction: The derma roller therapy to stimulate skin with minimal invasive, using the micro needle to create a large number of micro-channels in short period of time, and form a high-quality delivery system among the epidermis, dermis and subcutaneous tissue, so that the active ingredient, nutrition products and ingredients quickly absorbed by the skin, which greatly enhance the efficacy of the product. Minimised epidermal damage Less pain and erythema as high speed with vertical direction More easy to operate at the small or curved areas Adjust micro needle length (0.25~2.5mm) Prevent cross infection, adopt with disposable needles More quickly and efficient than manual Micro-needle