ORA's Facial Microneedle Roller System - Advanced Therapy features medical-grade stainless steel needles with 1.0mm needle depth for the experienced users of microneedle therapy looking for an advanced roller to help generate stronger results. Designed with extremely fine needles, they gently penetrate the skin to stimulate collagen and elastin production resulting in smoother, firmer, healthier and younger-looking skin while also enhancing the absorption and penetration of skin care. When used on the scalp, the roller helps stimulate and maintain hair within thinning and balding hair areas. Key Benefits: Extremely fine needles gently penetrate the skin just enough to stimulate collagen and elastin production, which helps to result in smoother, firmer, healthier and younger-looking skin and reduce the signs of aging Helps reduce the appearance of scars from injury or acne, fine lines, wrinkles, stretch marks and other blemishes Helps smooth uneven skin texture and color and heavy pitted skin Helps increase the absorption and penetration of skin care within the skin by as much as 20 times compared to applying skincare products manually by hand due to the needles aiding in opening micro-channels in the skin Treatment is pain-free with no side-effects and can be used for numerous treatments