Rolling Stone: Hundreds of People Are Using This $50 Red Light Therapy Wand to Help Treat Cold Sores and Blisters The benefits of red light therapy have long been touted for the face and body, but brands are now releasing red light therapy devices targeted to healing specific ailments like cold sores and blisters ... Hundreds of People Are Using This $50 Red Light Therapy Wand to Help Treat Cold Sores and Blisters These fluid-filled bubbles are a pain, but you can treat them easily at home. What are blisters?

Understanding the Context

Your skin consists of three layers: the epidermis, the dermis and subcutaneous (below the skin) fat. A blister forms under the epidermis as a fluid-filled sac. Blisters (vesicles) are raised parts of skin filled with fluid. Blisters are usually caused by repetitive friction between the skin and an abrasive object.

Key Insights

For instance, you may get a blister... Blisters can result from an ill-fitting shoe, a bug bite, or a serious health problem like shingles. Find out more from WebMD about what causes them and how to treat them. Blisters: Pictures of What They Look Like, Symptoms, Causes ... - WebMD Blisters are usually minor injuries that you can treat yourself.

Final Thoughts

If a blister isn't too painful, try to keep it from breaking open. Unbroken skin over a blister may provide a natural barrier to bacteria, and it decreases the risk of infection. Cover the blister with a bandage or moleskin.