Derma roller for face and body can solve a variety of skin problems such as wrinkles, fine line, crow's feet, acne scars, stretch marks, cellulite and dull skin, good for hair regrowth and beard growth, suitable for men and women. The micro-needle roller also helps you effectively absorb skin essence, improve skin metabolism, slow down skin aging, and increase skin elasticity and firmness.The high quality 540 stainless steel micro needle in anti aging derma roller is non-surgical and can create countless micro channels on the skin when you roll the tool on your skin, which helps your skin absorb skin lotion efficiently, promotes skin regeneration, reduces scars and treats hair loss. The needle roller stimulates the skin to renew collagen, promote blood circulation and rejuvenate the skin.Sterilize the Derma Roller with alcohol, then clean your skin and apply skin care essence to it. Gently roll it 4 to 5 times in more than 4 directions on your skin. Rinse the roller with water first and then sterilize it with alcohol. Finally, apply moisturizer or mask to your skin.Do not use the Derma Roller with other people because it is a personal care tool. Do not use the Derma Roller for face and body if your skin is allergic or broken