Derma roller is used to stimulate hair growth and skin collagen, and treat scars and skin pores, and it doubles the absorption of care products. Sizes (0.5, 1, 1.5, 2, 2.5) mm Number of needles: 540 fine titanium needles I have the method of use and sterilization Price: 20 riyals Location: Makkah, Al-Shuqaiqah WhatsApp number