The aging process can be cruel to our skin. Between sun damage and progressive collagen loss, the skin loses its plumpness and resiliency. Micro needle skin rejuvenation or "Mesolift" infuses the dermis with potent vitamins and anti-oxidants to rejuvenate and revitalize the skin. Micro needle skin massage will stimulate collagen production, helping to infuse active cosmetics into the skin. Derma roller kit included 10 sizes.It can help shrink pores, clear up acne, prevent cracking and minimize the appearance of acne scars, reduce the appearance of wrinkles and fine lines while helping to stimulate collagen, sun and age, leaving skin proudly radiating a healthier look that glows.A perfect gift for girlfriend, mom, birthday, mother's day, Christmas. You just need to disinfect before any use and roll vertically, horizontally and diagonally across the treatment area about 4-5 times each before applying your favorite topical skin product. Easy to store and transport the Derma Roller with the case. Promote skin rejuvenation and improve alopecia. Reduce fine lines, wrinkles 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. Material: medical-grade stainless steel (needle) and hard plastic (handle) Needle length: 0.2mm/0.25mm/0.3mm/0.5mm/0.75mm/1mm/1.5mm/2mm/2.5mm/3mm Needle number: 540 needles Package Include: 1 x Micro-needle Roller Medical Therapy Skin Care Tool