Antiperspirants & gels are considered the first line of treatment for excessive sweating of hands, feet, head, underarm, back, and chest.

They are called the first line of treatment because they are the least invasive and experts recommend that they be tried first, before other more invasive treatments.

They are also inexpensive and easy to use.

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Antiperspirants & gels are applied to the top of the skin (which is why you sometimes hear them called "topical" treatments).