Sun Laboratories Dark Sunsation Airbrush Spray creates a deep, dark natural-looking tan. This sunless tanning spray is alcohol and fragrance free. Its quick absorption promotes proper hydration for your skin, thus producing outstanding sunless tanning results. Sun Laboratories Dark Sunsation Self-Tanning Spray is the darkest of our three shades. It is designed for those who settle for nothing but the deepest and darkest tan attainable without the sun.