Stimulate collagen production.
Improve the elasticity of the skin.
Reduce pore size and firming.
Smoothen acne scars.
Reduce fine lines, wrinkles and dark circle.
Skin friendly, safe and faster skin restructuring. I own this one 0.5. I researched info on dermarollers and stamps before purchasing. I heard to not go larger than 0.5. Anything bigger you should seek a professional.