Sweating through a shirt in a meeting, avoiding handshakes, ruining shoes: excessive sweating is a real quality-of-life problem, and it has one of the most dependable fixes in aesthetic medicine. Botox for sweating has been in use for two decades, is approved for underarm hyperhidrosis, and for the large majority of people who try it the reduction is large and significant, a genuine game changer.
The mechanism is simple. Sweat glands switch on when a nerve tells them to. Botox blocks that signal at the nerve ending. No signal, no sweat, in exactly the area treated and nowhere else.
What treatment is like
The provider maps the sweaty area, sometimes using a starch-iodine test that turns sweat dark so the injections land where they matter, then places a grid of small injections across it. Underarms take about ten minutes and feel like a series of quick pinches. Palms and soles are more sensitive and usually get numbing cream, ice, or a vibration device first. There is no downtime beyond skipping the gym and deodorant for the rest of the day.
Dryness starts within a few days and is complete by two weeks. Underarms then typically stay dry for six to twelve months, palms and soles for four to six. Most people book once or twice a year and describe it as one of the best things they have spent money on.
Underarms, hands, feet, face
Underarms are the standard and the most satisfying, with the longest results and the easiest treatment. Palms work well and are life-changing for people whose hands sweat, with the trade that injections there sting and some people notice mild, temporary weakness in grip. Soles respond similarly. The hairline and forehead can be treated for people whose scalp or face sweats heavily, with care to keep the brow muscles moving normally.
What it costs
The number of units is the driver. Underarms need a substantial dose per side, so a treatment commonly runs several hundred dollars; hands and feet are similar. Insurance may cover treatment for diagnosed hyperhidrosis after prescription antiperspirants have failed, but that path usually runs through a dermatologist. For most people treating at a clinic, it is an out-of-pocket cost of roughly the price of a good pair of shoes, once or twice a year.
How to choose a provider
Ask whether they map the sweat area before injecting; it makes a real difference to coverage. Ask how many units they use for the area and what that includes in the price. And ask how they handle palms if that is your concern, since comfort measures vary widely between clinics.
Browse the clinics below. Book for a day when you can skip the gym, and wear a shirt you do not mind a little marker on.