The Skin By BYS Derma Roller system is designed to provide highly effective skincare treatment in the comfort of your home. By stimulating collagen production, the microscopic needles have achieve visible rejuvenation for smoother skin. This treatment is effectively offers improvement for various skin conditions helping to reduce the appearance of ageing, fine lines and wrinkles. The kit contains the Extra Firm Youth Serum with its silky, lightweight formula incorporating natural plant-derived ingredients. The serum visibly reduces the appearance of wrinkles and fine lines for a more youthful glow. It also helps soothe skin and strengthen the skin barrier. Plus, a 0.3mm Derma Roller.