COOLA Gradual Tan Duo in Beauty: NA. COOLA Gradual Tan Duo in Beauty: NA. Earn a year-long golden glow without the damaging side effects. COOLA'S Gradual Tan Duo features a face serum and body oil spray that deliver a natural-looking radiance lasting up to three days. The fast-drying, streak-free, transfer-free formula is enriched with 70%+ organic ingredients, Argan Oil, and Vitamin C, leaving you with smooth and hydrated skin.. Infused with a natural Pina-Coco scent to cancel out self-tan smell. Eco-certified cosmos organic. Non-GMO, vegan, cruelty-free, free of oxybenzone, parabens, sulfates, and phthalates. Gradual Sunless Tan Anti-Aging Face Serum (0.34 oz), Gradual Sunless Tan Dry Body Oil Mist (0.5 oz). Gradual Tan Anti-Age Face Serum: For maximum color, dispense a small amount into palm of hand and spread evenly across face. For gradual color, pump two to three drops into daily moisturizer and apply to skin.. Gradual Tan Dry Body Oil: Hold sprayer 2-4 inches from body and apply liberally. Rub oil onto skin in a circular motion then let dry before dressing and 6-8 hours before showering.. For best results, exfoliate skin prior to use. COLX-WU47. CL10320. At COOLA, they're passionate about creating beautiful product experiences that embody a happy, healthy lifestyle. They believe that clean beauty should feel as good as it is healthy, which is why they're on a quest to develop organic products you'll love wearing everyday.