Elevate your skincare routine with our Medical Grade Derma Roller, featuring 540 0.5mm Titanium Microneedles, which use the magic within your skin to naturally kick start regeneration and repair. The handheld Derma Roller works by creating tiny micro-punctures on the skin's surface, offering at home precise and safe microneedling, the derma roller helps with various issues depending on the length of microneedle. The 0.5mm Derma Roller is generally recommended for: Stimulating collagen & elastin production without causing harm to the skin. To reduce the appearance of fine lines and wrinkles. Improving the appearance of uneven skin tone. Reducing the appearance of acne scars. Improving skin tone. Skin regeneration & repair. Stimulating hair thickening and hair growth.