Sweating is your body's natural cooling mechanism. As the Texas A&M University Health Center explains, sweating is how the body regulates temperature. Your sweat leaves your skin through your pores and evaporates on the outside, which helps to cool you down. One of the biggest benefits of natural deodorant is that it helps to eliminate unwanted odor while still allowing your body to sweat and cool you.

It's not sweat that causes body odor, but rather sweat combined with the bacteria that already exists on your skin. According to the Mayo Clinic, your body has two types of sweat glands: eccrine glands, which secrete fluid onto the surface of your skin, and apocrine glands, which develop in areas with lots of hair follicles, such as your armpits. The fluid secreted by the apocrine glands is odorless until it mixes with the bacteria on your skin.

If you've removed hair from your armpits by shaving or other methods, then you know exactly how sensitive your skin can be in that area and how irritated it can get. Natural deodorants help you avoid other skin irritations, such as rashes and allergic reactions. A study published in Contact Dermatitis concluded that deodorants were the primary cause of fragrance-based allergic skin rashes.