While the ingredient list is what drew Canyon Ranch to Dazzle Dry, the performance is what hooked them-the four-step system has just a five-minute dry time and will stay chip-free for at least seven days. In addition to weakening the nails over time, ingredients in certain polishes can also cause an allergic reaction on the skin around the nails or even under the eyes, if you rub them often. There's no toluene, no formaldehyde, or nitrocellulose, which is what makes nails yellow.' 'It doesn't have any of like the nasty ingredients. 'Dazzle Dry was created by a biochemist who wanted to create products that were really clean but effective,' says Sam Cooper, the director of spa, fitness, and beauty for Canyon Ranch resorts.