White Lotus Holistic Derma Roller for Sensitive Skin is a professional grade at home derma roller featuring seamless construction and surgical stainless steel needles, designed to support smoother looking skin and more even product absorption. Guaranteed to last one year of use. Key features: - 1.0 mm needle depth - Seamless roller construction for an even, comfortable roll - Surgical stainless steel needles - Supports smoother looking skin and more even product application - Guaranteed to last one year of use How to use: Use on cleansed skin with gentle, even pressure. Follow immediately with serum or facial oil. Always clean with White Lotus Natural Beauty Tool Cleaner after every use.