A cosmetic product applied to the skin, usually under arms, that reduces or prevents sweating by blocking sweat glands.
From 'anti-' (against) and 'perspirant' (causing perspiration, from Latin 'perspirare,' to breathe through). The product category emerged in the early 20th century as a consumer good.
Antiperspirants are different from deodorants—deodorants just mask smell, but antiperspirants actually clog your pores to stop sweat from forming, making them more powerful but also more chemically intense.
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