Botox: if one bottle of 100 units are diluted with saline could you get 400 units from a 100 unit bottle?

No, adding saline does not increase the number of units.  Adding saline can; however, dilute the strength per injection.  It will never be more than 100 units!

Hi,If you had 100 apples in a barrel and then filled the barrel with any amount of water - how many apples would you have? The answer is always 100 apples. Mehdi Sina, MD