Not knowing the difference between deodorant and antiperspirant
Antiperspirants reduce sweat, while deodorants reduce stink. According to Fayne Frey, dermatologist and founder of FryFace, most antiperspirants contain aluminum salts, sometimes mixed with a zirconium salt, which bind to a protein in the sweat gland ducts, creating a sweat duct plug that temporarily tamps down sweat production. Deodorants, on the other hand, are topical products that either neutralize odor—using ingredients that kill some of the bacteria that contributes to the development of body odor—or simply mask it. “They do not reduce the amount of sweat expelled and will not keep your armpits dry,” explains Tsippora Shainhouse, MD, FAAD, board-certified dermatologist in Los Angeles and clinical instructor at the University of Southern California. Here are some sneaky reasons you could smell worse than usual.
Applying it on wet skin
Antiperspirants perform best when applied to dry skin. So if you just got out of the shower or are already sweaty, they aren’t going to be effective. Here’s what your B.O. reveals about your health.