• Skin protection: improves wrinkles, fine lines, acne, scars, and pores. • Collagen and elastin production to rejuvenate the skin. • Stretch mark removal. • Improves hair loss and beard growth. • Ergonomic and anti-backflow cartridges: use a new cartridge each time. • Adjustable length from 0 mm to 2.5 mm. • Visual adjustment of 6 speeds with LED light. • High-speed vertical movement to minimize pain. • Wireless use via USB fast charging. • Recommended to use every 7 days. • Do not apply makeup during the first two days after use.