What is the difference in strength between botox and dysport for masseter reduction?

Botox and Dysport can
both work well to help reduce the masseter muscle and soften the jawline. The
ratio of units needed is not equal; usually, the ratio of Dysport to Botox is
2.5 or 3:1. You will need less units with Botox, so the cost should end up
coming out about the same.

Great question! Botox and Dysport are
manufactured by different companies, however they are both neurotoxins (abobotulinumtoxinA) utilized to relax muscle movement and will
achieve the same result. The main difference between the two products is the
size of the molecule; Dysport consists of smaller molecules, and is therefore
believed to have a better “spread.” For this reason I like to use Dysport in
areas like the “crow’s feet,” however the use of Botox and Dysport is generally
interchangeable according to physician and patient preference.

Because Dysport exists as a smaller molecule,
more units of Dysport are needed to achieve that of a unit of Botox. The ratio
of units between Dysport and Botox is about 3:1; this is of course only
theoretical, and an experienced injector will be able to give you an amount of
units upon consultation. In terms of price, Dysport per unit is generally
cheaper than Botox, however because of the 3:1 ratio, you will end up paying
around the same amount.

Be sure to seek out the care of a board
certified Dermatologist, especially for treatment of a specialized area such as
the masseter. Best of luck!

Thank you for your question. In multiple studies, Botox and Dysport have been found to be equally effective. In my experience, and in some studies, Dysport has a bit more spread - but overall, the two products are basically equal. The difference is in the dosing. 2.5-3 units of Dysport is equivalent to 1 unit of Botox. As long as this conversion is taken into account, there really shouldn't be any difference. Best of luck!