Will I need the same number of Units as my current frown line treatment?

In short, no, and here’s why. Units are like fingerprints—they are a proprietary measurement of a treatment’s unique potency. Because of the differences in how treatments are formulated and tested, you cannot compare or convert Units between them, just like you cannot compare 2 fingerprints. A clearer way to understand dosing is to look at how many nanograms of active ingredient (botulinum toxin type A) a product has. Double the Units does not mean double the dose.