Steam eye masks are bad for the eyes, mainly including skin burns, eye congestion, loose skin around the eyes and so on. 1. Skin burns: steam eye masks may be too high temperature, direct contact with the skin of the eyes is easy to cause burns, manifested in local redness, swelling, pain and so on. 2. Eye congestion: excessive use of steam eye masks may lead to abnormal blood circulation around the eyes, resulting in vasodilatation and eye congestion. 3. Loose skin around the eyes: Excessive use of steam eye masks may cause loose skin around the eyes. It is recommended to use steam eye mask correctly and strictly control the time of using steam eye mask. If you experience discomfort in your eyes after using a steam eye mask, it is recommended that you stop using it immediately and seek medical attention in a timely manner.