But it turns out, they each serve their own unique purpose, although they do share some overlap.

Meet the Experts

What Is Deodorant?

“Deodorants often contain antimicrobial agents to kill odor-causing bacteria and fragrances that mask any residual odor.”

Woman smiling with both of her arms lifted over her head

Stocksy

Apocrine secretions are “metabolized by skin bacteria, producing metabolites that often have a pungent smell.”

This is the odor that deodorant with antibacterial properties works to eliminate.

They also generally work, ridding body odor as intended.

On the flip side, there are some drawbacks.

And there’s a potential environmental threat, as synthetic ingredients can cause pollution.

What Is Antiperspirant?

They work primarily by diffusing into the sweat ducts to serve as temporary plugs so that block sweating."

Similarities and Differences

The major difference is that deodorants mask odor but do not address sweat production.

Deodorants generally contain baking soda and magnesium to neutralize bacteria-causing odor.

Another ingredient that is found in some formulas is tapioca starch, which keeps the area dry.

She suggests deodorants with simple ingredients instead of a multitude of fragrances and plant oils.

How To Know Which Is Best For You

It really boils down to your concern.

If the primary issue is eliminating odor, deodorant might be worth exploring.

Whichever you choose, both experts agree that you opt for a fragrance-free, minimalist formula to avoid irritation.

She advises looking for soothing ingredients, likealoe vera, and steering clear of potential irritants like fragrance.

If you are ever in doubt, each of their primary functions is in the name.

Deodorants address odor, and antiperspirants address perspiration or sweat.