Function: 1. Anti-Puffiness 2. Scar removal including acne scar removal or treatment. 3. Acne Scar Removal, Acne Scar Treatment 4. Anti Wrinkle Treatment, Anti Aging 5. Hair Loss Treatment or Hair Restoration 6. Surgical Scar Removal 7. Hyper pigmentation treatment. Advantages: 1 -Visual and noticeable improvement in a few days from the first treatment 2 -Short healing time 3 -No permanent damage or injury 4 -No bruising, infection, discoloration or other complications 5 -Extremely high absorption of any active ingredients 6 -Almost all skin types can be treated 7 -Thickens the dermis without damaging or removing epidermis. Item specifics: Bayonet coupling Needle quantity: 9 pin / 12 pin / 36 pin / 42 pin / nano needle Cartridges (pls check the options) Package included: 10pcs Needle Cartridges (options,not included syringe or derma pen) Skin Care Attribute: Lighten Color Spot Relief Dark Sore Pore Thinning Nutrition Input Decrease slender line Cell Regeneration Relief Stretch Marks Complexion Improvement Package include: 10pcs Needle Cartridges