The benefits of cosmetic microneedling have been recognized for many years. Dr pen M8S uses Advanced Oscillating Vertical Needling technology with high-quality disposable tips, each containing 18 micro-needles to to create micro-channels. This stimulating fibroblasts, for natural collagen production and allows topical cream’s active ingredients to acheive rejuvenation. PACKAGE INCLUDED: 1 Dr. Pen M8S Beauty Pen 2 18 pin Cartridges 1 US Wall Charger 1 USBC Cable 1 Instruction Manual 1 Travel Case