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Hydrocolloid Healing: That White Gel Bubble

Hydrocolloid Healing: That White Gel Bubble

My mother came to visit last month. She bought a new pair of shoes, wore them all day, and came home with a deroofed blister on her big toe. Bad news for mum. But as it turned out, good news for me. Because I wanted to show you the white gel bubble that shows hydrocolloid healing.

There’s only one other good photographic example of hydrocolloid healing showing the white gel bubble and I was keen to enhance that.

The only thing was, she was leaving the next day. So she promised to take photos and send them to me. She did a great job. Her photos clearly show how the hydrocolloid white bubble forms so you can see this is completely normal.

New deroofed blister with hydrocolloid blister plaster applied.
hydrocolloid healing - see the white gel bubble
A white gel bubble starts to form within hours which indicates the wound is healing.

How hydrocolloids healing looks

Hydrocolloid blister plasters are exudate-absorbent hydrophilic gel dressings. They’re rubbery and slightly translucent. As your deroofed blister weeps, the hydrocolloid material absorbs the fluid and turns into a gel. From the outside, it looks like a white bubble. The dressing remains waterproof the whole time. The white bubble is a sign that your blister is healing.

You can learn more about how hydrocolloid blister plasters work here including:

  • When you should change your plaster
  • What your blister will look like when you take your plaster off
  • Why you should tape the edges of your plaster down
blister healed with hydrocolloid plaster
Blister healed! Mum sent me a photo of her healed blister a week later on her way down south.

Examples of hydrocolloid blister plasters

What’s next?

Click here if you want to know more about treating the 3 types of blisters, stimulating healing and preventing infection

Rebecca Rushton

Podiatrist, blister prone ex-hockey player, foot blister thought-leader, author and educator. Can’t cook. Loves test cricket.

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