SNS is unlike gel and acrylic systems. Signature Nail Systems (SNS) is the world leader in Pink & White dipping systems, a break though of nail technology. SNS had been around for more than 20 years. Pink & White and Gelous Color powder are known for having shorter drying time without using any primer, liquid or UV light. It is an easy application process that is light weight and durable, but still looks and feels natural. Our powders use only organically processed chemicals with added Vitamin E and Calcium.