TANNING HANDHELD SOLUTION: Innovation combined with convenience results in a technological sunless breakthrough product known as ONE. Formulated using a proprietary amino acid propulsion system, xLa-R8R, to boost rapid tan development, this solution prepares the skin while providing instant and long lasting color gratification. You can choose your color, as you are able to shower in as little as one hour. Fragrance - Allergen-Free Raspberry Almond. | NORVELL RECOMMENDATION: 1 hour for Light Bronze, 2 hours for Medium Bronze, 3 hours or more for Darkest Bronze. Although the instant, cosmetic bronzers wash away during the warm water rinse, sunless color continues to develop over the next 24 hours following the application, with results lasting 5-7 days. This product is designed for use in all airbrush/HVLP systems regardless of manufacturer. | PROFESSIONAL TIP: The DHA will begin to activate within 2-4 hours after application. Do not bathe, shower or sweat for at least 8-hours after application. Avoid chlorinated pools for 18-hours. Brown cosmetic bronzers will wash away during first shower. Full DHA results develop within 18-24 hours. Results should last 5-7 days. The use of nose filters, eye shields, protective under garments and lip balm are recommended before applying sunless spray to body. | HOW ONE WORKS: A first of its kind, rapid development sunless solution, introduced specifically for those who just can’t wait the usual 18-24 hours for their post session warm water rinse. ONE puts the level of color choice directly into your control. Designed for all skin tones, you can rinse (No Soap! It can deactivate the tanning process) in as little as 1-2-3. | NORVELL PRODUCTS HAVE A SHORT SHELF-LIFE: Due to the high quality of ingredients that are used to manufacture Norvell products, the typical shelf-life is 7 months from the production date to the expiration date. Please note that the transit from the manufacturer to Amazon and to the final consumer should be accounted for when purchasing Norvell products.