540 titanium needles provide the best result and cleanest micro needle care. Derma roller apply to black rim of the eye, scar, pale spot, whitening, eye wrinkles, blain to imprint and so on. Best beauty tools for face and body skin care. It is time to enjoy who you are, see the beauty of being you Features - Color: As shown. - Material: Titanium. - Needle Length: 2mm. - 540 titanium needles provide the best result and cleanest micro needle care. - Derma roller apply to black rim of the eye, scar, pale spot, whitening, eye wrinkles, blain to imprint and so on. - Best beauty tools for face and body skin care. - Reduce the common signs of aging, such as wrinkles, facial sag, etc. Promote blood circulation and make your skin tighten, elastic. - Effectively improve scar, stretch marks, acne, etc. Also can be applied onto the entire body.