For trail
How to stop (and treat) blisters on the trail — a New Zealand guide
Short version: patch the hot spot beforeit turns into a blister. If it’s already blistered, don’t pop it — cover it with a hydrocolloid patch to cushion the raw skin and let it heal, and keep walking. The trick is catching it early: the moment your boot starts rubbing, stop and deal with it, not at camp when it’s already torn.
Stop it before it starts.
A blister starts as a hot spot — a patch of skin that’s warm and rubbing. That’s your window. Once you feel one, stop, dry the skin, and cover it before the friction does its work.
- 1
Find the rub. Usually the heel, the back of the ankle, or a toe. If a boot feels "off," it’s worth a look before it’s a blister.
- 2
Dry the skin. Hydrocolloid won’t stick to wet or sweaty skin. Wipe it dry first.
- 3
Cover it. A blister patch over the hot spot, or a strip of roll tape cut to fit an awkward shape. Press the edges down firm and smooth so nothing catches.
- 4
Keep walking. That’s the point — dealt with early, a hot spot doesn’t have to end the day.
Roll tape earns its place here: you cut it to whatever shape the rub is — a long strip up a heel, a small tab on a toe — where a pre-cut patch might not sit right.
If it’s already gone
Already blistered? Don’t pop it.
If it’s already a blister, leave it intact if you can. The skin on top is the best dressing it has. Cover it with a hydrocolloid patch: the gel cushions the raw skin, absorbs the fluid, and lets it heal in a moist, protected environment — which hurts a lot less than a raw blister rubbing against a plaster for the next three hours.
If the blister has already torn, clean it, cover it with hydrocolloid, and keep an eye on it. If it starts looking angry — spreading redness, pus, heat — that’s one to show a doctor, not walk off.
What to carry
Patches or a roll of tape — which to carry.
Both are hydrocolloid; they just come in different shapes.
Blister patches
Pre-cut, in a few sizes for heels and toes. Fast to slap on, no fuss. Best if you want to grab and go.
Blister Patches →Roll tape
One 5cm × 100cm roll you cut to any shape. Handles the spots a pre-cut patch won’t, doubles as a wound dressing, and one roll lasts most of a tramping season. It lives in the lid of the pack and weighs nothing.
Roll Tape →Most people carry both: patches for the obvious spots, a roll for everything else.
A note on names
Hydrocolloid vs Compeed.
Compeed is the name most trampers know, and it’s a hydrocolloid dressing — same material class as a MEND blister patch. The difference is MEND is NZ owned and ships from Auckland, and the roll-tape option lets you cut to fit instead of hoping a pre-cut shape lands right. If Compeed’s worked for you, you already know how hydrocolloid feels on a blister. This is the same idea, made here.
Going longer
Multi-day trips: making a patch last.
On an overnighter or a Great Walk, a patch has to survive days, sweat, and river crossings.
Tape over it.On a multi-day tramp, run a couple of strips of sports tape over the patch so it can’t slide off once you’re sweating.
Dry skin first, every time. Wet skin is why patches lift.
Check your kit before you go. Hydrocolloid dehydrates over time — glance at your blister patches before a big trip rather than finding out on day two.
Not sure which patch?
Match the patch to the spot.
The same hydrocolloid works on faces too. If you’re weighing up which patch you need, the hydrocolloid vs microneedle guide walks through it by stage.
Patch finder
Match the patch to the spot.
A pimple moves through three stages. The right patch at each one heals it faster, with less scarring.
A painful lump that hasn't surfaced.
Hormonal, cystic, or just slow. Below the skin. A normal patch can't reach it — needles deliver the treatment deeper.
A whitehead, fluid-filled, ready to drain.
Hydrocolloid pulls the fluid out and shields the skin while it heals. Thin enough to wear under makeup.
Drained, calming down, but not done.
Keep the patch on. It protects the healing skin, holds in moisture, and stops you picking at it.
Same treatment. Designed to be seen.
Microneedle technology in shapes worth wearing. If a spot is going to be visible, make it look like a choice.
Common questions
The things people ask.
Should you pop a blister when hiking?
Not if you can help it. The skin on top protects it. Cover it intact with a hydrocolloid patch; only if it is already torn do you clean and dress it.
How long does a hydrocolloid blister patch stay on?
Days, if it is stuck well — leave it until it starts lifting on its own, then replace it. On a multi-day trip, tape over it to help it last.
Can you hike and shower with one on?
Yes. Hydrocolloid is water-resistant; that is part of why it suits the trail. Dry the skin before you apply, not after.
Hydrocolloid vs Compeed — what is the difference?
Same material class. MEND is NZ owned, ships from Auckland, and offers a cut-to-fit roll as well as pre-cut patches.
How do you stop blisters on the Great Walks?
Sort your boots and socks before the trip, then catch hot spots early — patch or tape the second a rub starts, dry skin first, and carry enough to re-dress over several days.
More on the skin side? See the do pimple patches work and cystic & under-skin guides, or email hello@mendpatch.nz — a real person will reply.