The cost of Botox fluctuates among various med spas in the Newington NH area. The cost is anywhere from $10 - $14 per unit. Depending on the area being treated, whether it’s to smooth creases, or to prevent wrinkles will also depend on how many units will be needed. The expert injectors at Seacoast Rejuvenation will consult with you to determine how many units will be needed to get the results you desire.