For a long time and didn’t know the difference between denatured alcohol and regular alcohol. For commercial use and by teenagers alcohol, and you don’t have to worry about the employees drinking it. It has been designed with special additives that makes it nonconsumable, In most places but taxes are a lot less because it is not consume as well.So if you’re at home, And you need to clean something with alcohol you can use regular alcohol. You don’t have to worry The additive. The additive doesn’t help clean or need it in anyway it is strictly to make sure that people don’t drink it.