What the heck is a hydrosol?

Hydrosol...  Sounds like something that needs replaced every 5,000 miles to keep your car engine running smoothly, no?  Don't worry, it's not nearly that complicated.  It's just flower water.  I know...  It's called a hydrosol, because it's a product of HYDRO-distillation. They can also be called hydrolates, herbal distillates, herbal waters, and essential waters. Oh, and floral waters. Why so many names? I HAVE NO IDEA! It's very confusing! Confusing labeling for a very simple product.  Basically, a hydrosol is a by-product (or co-product) of the essential oil distillation process.  When the plants are hydro or steam distilled, their essential oils...