Blisters are the skin’s response to irritation. When something repeatedly rubs against your foot, the skin will first get hot and red. Then, in an attempt to protect itself from further assault, it forms a bubble.
The skin of your feet is pretty susceptible to those raised, fluid-filled bubbles we call blisters. That’s because the main cause of blisters is friction, or rubbing. Shoes that don’t fit well are one of the main causes of friction: too tight and they rub the skin over and over. Even shoes that are too […]