Specification: Needle Material: Grade A Titanium Handle Material: ABS Needle Length: Adjustable 0.25mm- 3.0mm Number of Needles: 140 Age Group: Adult Different Lengths have Different Effect: Scalp: 0.5mm- 1.5mm Forehead: 0.25mm- 0.5mm Between Eyebrows: 0.25mm- 0.5mm Cheek Bone: 0.5mm- 0.75mm Nose: 0.3mm- 1.0mm Cheek: 0.25mm- 1.0mm Lip Area: 0.3mm- 0.5mm Stretch Mark: 1.5mm- 2.0mm Scar Mark: 1.0mm- 3.0mm Specifications: Cosprof Derma Microneedle Stamp promotes collagen for smoother and more radiant skin. Different from derma microneedle rollers, the derma microneedle stamp enters skin at a vertical angle to reduce skin trauma, and lessen recovery time after treatment. What's the Derma Microneedle Stamp: A derma microneedle stamp is a micro-needling device that uses small needles to generate new collagen. It can be used throughout the face and body to improves the appearance of scars, cellulite, hyperpigmentation, and even boost hair growth. The adjustable 0.25mm 3mm medical grade stainless steel needles mean youll only need one device to treat a variety of skin concerns. Package Included: 1xDerma Microneedle Stamp