Apply Thentix to heal blisters. The nice thing about this cream applied this way is that it will usually not sting. If the skin is open it may sting for a few seconds but this will not last. Use  on feet, hands or for sun blisters anywhere on the body.

It is completely safe for open ones on heels or anywhere: honey and royal jelly are anti-bacterial, calendula extract and chamomile are anti inflammatories, chamomile is an anti-septic. Lots of other healing properties but these are the ones that will protect any that are open.

On top of these you have aloe vera and vitamin E to help the skin heal quickly.