FAQs

Blisters: Causes & Prevention

  1. What Causes Blisters?
  2. What can I do to prevent blisters?
  3. What can I do to eliminate friction and rubbing?
  4. How do I use BlisterShield?
  5. Can I use BlisterShield to treat blisters?
  6. Can I use BlisterShield on open wounds?
  7. Will BlisterShield improve general foot comfort?
  8. How often can I use BlisterShield?

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  1. What Causes Blisters?
    Blisters are caused by local concentrated pressure on the skin. This pressure is usually the result of rubbing which produces heat. The heat separates the layers of skin and fluid develops between the separated layers. This fluid-filled pocket is the blister. Something is needed to prevent local heat and pressure from developing. top
  2. What can I do to prevent blisters?
    First be sure abnormal mechanical causes are identified and eliminated. The most common mechanical factor is poorly fitting footwear. Loose or repaired socks, as well as boots or shoes that are too tight or too loose can cause pressure areas that lead to blisters. Once you have the correct boot, shoe or sock eliminate localized friction and heat buildup. Faulty technique in a sport can also cause blisters. A runner may overpronate and could benefit from orthotic control. An inline skater may push off too forcefully with toe wheel. This could be improved by better use of the heel wheel. top
  3. What can I do to eliminate friction and rubbing?
    Many techniques and products have been tried to eliminate the friction that causes blisters. Until now none has worked very well. Older products either stick to the skin (often causing an additional pressure areas) or try to coat the skin. Some preparations were greasy and caused slipping which led to even more trouble. Now A PhD in surface chemistry has discovered a product that acts as a virtually frictionless barrier between the skin, sock and shoe. The product…BLISTERSHIELD®. This revolutionary powder will not harm your skin. It forms a safe separating layer that reduces the rubbing, which causes blisters. The foot will not move excessively either. top
  4. How do I use BlisterShield?
    BlisterShield is a powder that is shaken into the socks and shoes before an activity.. It was officially supplied to every runner in the 2002 Boston Marathon. It can be used for demanding sports and provides a great benefit in reducing fatigue during regular standing or walking. BlisterShield is designed for external use only. top
  5. Can I use BlisterShield to treat blisters?
    BlisterShield is formulated to prevent blisters. If it was not used before the activity and a blister developed, treat the condition as suggested by your podiatrist or other physician. After the damaged skin develops a new tough cover (usually about two days after blister formation) and no infection has occurred, BlisterShield can be applied to prevent future blisters. top
  6. Can I use BlisterShield on open wounds?
    BlisterShield works to prevent blisters. Although it is a very safe product, it should be used on closed healthy skin. If the skin has such conditions as cracks, athlete’s foot, or rash be sure those problems are cured before applying BlisterShield. top
  7. Will BlisterShield improve general foot comfort?
    Itching tired feet are often caused by excess friction and heat buildup in the shoe or boot. BlisterShield prevents friction. When the foot moves in a friction-reduced environment it moves more efficiently. Less energy is expended during any activity. That’s how BlisterShield works to reduce fatigue. top
  8. How often can I use BlisterShield?
    BlisterShield can be safely used every day. Pour a level teaspoon into each sock. Work it evenly through the sock. That’s all there is to it. If the day’s activity is especially vigorous, a second application of BlisterShield may be helpful. top