? 1.5mm, 2.0mm, 2.5mm, 3.0mm: very deep acne and pimple scars skin blemishes and wrinkles. Ideal for treatment on moderate stretchmarks and cellulite. Home use 1 times per 2 weeks. ? 0.75mm, 1.0mm: Small acne and pimple scars skin blemishes and slender lines, deeper wrinkles and blackheads. Ideal for treatment on lighter stretchmarks and cellulite.Used to aid more severe hair growth and regeneration. Home use 1 times per week. ? 0.5mm: Small acne and pimple scars skin blemishes and slender lines. Used for cosmetic application and to aid hair growth and regeneration. Home use 1 to 2 times per week. ? 0.25mm, 0.3mm: Small scars skin blemishes lighter wrinkles lighter spots and slender lines. Treats mild hair loss and to apply cosmetics. Daily home use. ? Derma Stamp 32 Needles: Derma Stamp is designed for an efficient method of treating small, isolated and hard to reach areas. It’s a small skin needling tool with titanium alloy made needles, that is used to “stamp” the skin to create tiny holes that heal very quickly.