Needle number: 192 REAL needles. A common cosmetic procedure for treating many conditions by stimulating collagen and elastin production. Stimulate the collagen production. Improve elasticity of skin. Reduce pore size and firming. Promote skin rejuvenation and improve alopecia. Improve fine lines, wri,nkles and dark circle. Mildly roll 10 times vertically and horizontally. Can be used on all areas of the face, neck and body and scalp. Can be used by yourself anytime at your personal convenience. We are a wholesale seller on beauty product. You can contact me if you want order any other product.