Sally Hansen Insta Dri Nail Polish in shade 530 Not Compute delivers quick-drying colour that sets in minutes. This fast-acting formula means less waiting time between coats and a flawless finish without smudging. The vibrant shade offers bold, eye-catching coverage with a professional look. Perfect for those who want salon-quality results at home without the lengthy drying process. Apply in thin, even strokes for best results and enjoy chip-resistant wear that lasts.