Safe & easy to use: Just disinfect before any use and roll vertically, horizontally, and diagonally on treatment area about 4 - 5 times each before applying your favorite topical skin product. Since micro needles are so tiny, the rolling process is painless and easy. .High Quality Surgical Stainless Steel 540 Needle: High quality surgical steel needle is safe and not be allergic. Process will not be painful (it's only a tingling sensation). .Say Goodbye To Skin Problems: Proven to Reduce Appearance of Wrinkles & Fine Lines While Helping Boost Collagen, Fade Sun & Age Spots and Improved Skin Firming, Brightening, and Tone for a Smoother, Fresher, More Revitalized Youthful Complexion. .Safe for Home Use: Our micro needle roller is non-invasive, has a multifunctional 0.25mm/0.5mm/0.75mm/1.0mm/1.5mm needle length, Even a new user can operate. It is safe and effective, simple and painless. .Saving Money and Affordable: Our microneedle roller price is effective compared to expensive cosmetic laser treatments. With weekly use, you can achieve the result by a fraction of the cost. It is affordable to everyone. .