White shirts are a necessary part of everyone’s wardrobe. Unfortunately, they are the first clothes to get yellow stains in the armpits from sweat. As time goes by, sweat combines with oils, deodorants, and antiperspirants, causing tough stains that are not easy to wash off. Fortunately, there are various ways to clean those stains at home without using special products that are not always available. Let us look at how to treat these problems yourself and preserve your favourite shirts.