Does it matter what time of day you apply deodorant? A seemingly minor hygiene question has sparked intense debate.
To get to the bottom of it, TODAY.com spoke with dermatologist Dr. Shari Lipner. According to Lipner, whether you should wear deodorant to bed depends on the kind of product you're using.
A true deodorant — one that's simply meant to block odor and does not prevent sweating — isn't necessary to wear to bed, since people sweat less at night, especially with air conditioning, Lipner says. What's more, the odor-blocking properties of deodorant are most effective when applied in the morning, she says.
Antiperspirants, which prevent sweating and odor, are a different story. According to Lipner, nighttime is the ideal time to apply an antiperspirant deodorant.
"We sweat less at night, so the antiperspirant can come into closer contact with sweat glands and decrease sweating," Lipner explains. Basically, because we sweat less when sleeping, applying antiperspirant before bed allows more time for the product to get absorbed, making it more effective the next day.
Find out if it's safe to wear deodorant on your skin all night.
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