There is an essential difference between deodorants and antiperspirants. Deodorants work to cut odor by attacking the stinky bacteria that grow in moist, dark places like our armpits. Antiperspirants generally work to block sweat through either chemical or physical means.
Regardless of which type you choose, ingredients can be absorbed through the skin, meaning that they can end up in your bloodstream.
View the infographic below to know which ingredients to avoid and which to choose.