Always use Nature’s Miracle Urine Destroyer products first. Other cleaners and detergents may fail and chemically “set” stains that will be impossible to remove. Wipe up as much of the stain as possible, then thoroughly soak stain with this product. Allow to work for 10 minutes, then blot up stain with a clean cloth.Click to see full answer. Also, how long does Nature’s Miracle smell last?Just a note: the bottle says as long as you can smell the nature’s miracle, it means the it’s working, once the smell goes away it’s done its work, (usually takes less than 24hrs).Similarly, does Nature’s Miracle smell go away? Not only does the urine odor go away but the nature’s miracle smell also disappears. Secondly, what is really in nature’s miracle? The product uses enzymes to eliminate odors from urine and feces accidents, food, drooling, bedding stains, and other mishaps your pets may have. In addition to nature’s natural enzymes, other ingredients include isopropyl alcohol, natural citrus scent, and water.Does nature’s miracle work for human urine?Enzymatic cleaners work by actually breaking down urine stains and odor causing molecules. Look for brands like Simple Solution, Nature’s Miracle, Urine Off, and Complete Pet Stain and Odor Remover from 8in1. Yes, these are all marketed for pet urine. They will, however, work for human urine as well.