Why is it so ugly and strong the smell of liquids?

All is chemistry!

Some manufactures tried to make odorless liquids, but it was affecting the balance of the chemical. These drugs can only mask, not eliminate the odors, and also bad for the liquid and the finished enhancement.

The odors serve as a sign of warning that the chemical, what we are using, can cause allergy.

Turn your side these signs, neither suppress them.