Directions: Apply to underarms only. Before bed, apply three clicks of product to each underarm. Dove Men+Care Clinical Protection can be applied in the morning. For maximum protection, apply Dove Men+Care clinical protection to underarms before going to bed.

"No, it's not necessary to use deodorant at nighttime," says Dr. Julia Tzu, founder and Medical Director of Wall Street Dermatology in New York. "Perspiration levels are not as high compared to daytime and usually the 'deodorizing' is most important during the daytime.

"But I like to shower in the morning," you protest. Here's some more crazy news: The antiperspirant you put on before bed will still work after you take your A.M. shower.

Apply antiperspirant once in the morning and again prior to bedtime. Application twice daily - and especially before bedtime - has been studied to provide the most benefit. If you are only going to apply once, then make it before you go to bed. Gently massaging the antiperspirant into the skin may be useful.

"Perspiration levels are not as high compared to daytime and usually the 'deodorizing' is most important during the daytime. While using it occasionally at bedtime is not harmful, use of deodorants around the clock may be an additional source of unnecessary irritation to the skin." Dr.

But is wearing antiperspirant deodorant on your skin all day and all night harmful? Lipner says “there are no known health risks associated with wearing deodorant at night or wearing deodorant too often.”

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. Wearing antiperspirant at night also saves you time in the morning since you don't have to apply it when you wake up, she adds.

Here's some more crazy news: The antiperspirant you put on before bed will still work after you take your A.M. shower.

Antiperspirant temporarily blocks your sweat glands to prevent sweat and is safe to use as a daily solution to sweat and stink.

There's nothing bad if you're using antiperspirant every day, and I can assure you that you're 100% safe as far as you're using the perfect roll-on for your skin. However, if you're allergy to too much usage of skincare products you may start seeing side effects if you use it every day.

Using antiperspirant to stop sweating shouldn't affect your body's ability to rid itself of toxins.” In general, deodorants and antiperspirants are safe products for most people in good health to use.

“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.