The Manicare Microneedle Derma Roller features 540 ultrafine 0.3mm needles for at-home use. It boosts collagen, firms, plumps, and brightens skin, reducing imperfections like scarring and enlarged pores. Ideal for face, neck, and décolletage. Key Features 540 ultrafine needles of 0.3mm size Designed for at-home use Boosts collagen and promotes healthy skin Firms, plumps, and brightens skin Reduces the appearance of skin imperfections Material: Surgical Grade Stainless Steel (needles, typically 540 needles at 0.3mm length); Plastic handle.Manicare: Leaders in beauty tools and accessories for over 40 years, trusted for daily beauty kits.Cleanse skin before bedtime. Roll horizontally, vertically, and diagonally twice in each direction. Use up to 3 times per week.Microneedling May Cause Skin Redness And Increased Sun Sensitivity; Use Sunscreen Daily.