Characteristics: 5 sizes here effective and safe 100% brand new and high quality High quality microneedle system Effectively improves scars, stretch marks, acne, etc. Promotes blood circulation and makes your skin tighten, elastic It can be applied over the whole body, arms, hands, legs, thighs, body, abdomen, face, etc. Made of titanium material, friendly and harmless There are no side effects on the human body, please be sure to use Using the instructions: 1. Clean your hands and the part that needs to be cured 2. Use cleansing and antibacterial gel to clean your hand and skin