I’ve talked about the health issues concerning conventional deodorants and also recommended a safe and effective natural deodorant paste that is a cult favourite amongst green beauty bloggers. However, for some people certain natural deodorants can irritate the skin and cause a red rash—the culprit ingredient? Sodium bicarbonate, otherwise known as baking soda. Most natural deodorants rely on baking soda to absorb moisture and kill odour-causing bacteria, however, because it