An Article By Cecilia Brennan, Podiatrist – New Step Podiatry.
Why Do Corns and Calluses Keep Coming Back?
If we had a dollar for every time someone said, “can you just get the root out?” we’d be taking a few more holidays. It’s one of the biggest misconceptions we hear and it’s exactly why corns and calluses keep coming back. Read on to find out why they keep coming back.
What are Corns and Calluses?
Corns and calluses are areas of thickened skin that develop when your body is trying to protect itself from pressure or friction.
Calluses are usually broader and spread out (often on the sole), while corns are smaller, more focused, and can feel quite painful because they press deeper into the skin.
Corns Don’t Have Roots
Let’s clear this up—because it’s a big one.
Corns do not have roots.
What people often describe as a “root” is actually a dense core of compacted skin that forms because of ongoing pressure in one specific spot. It can feel like it goes deep (and can definitely be painful), but it’s not growing into your foot like a plant root.
This matters, because if you believe there’s a “root” that just needs to be cut out, it sounds like a one-off fix.
In reality, that core will come back if the cause of the pressure is still there.
Why do Corns and Calluses Happen?
Corns and calluses form because something is repeatedly loading or rubbing the same area of your foot.
Here are the most common causes:
Footwear
Shoes that are too tight can press on certain areas of the foot, especially over joints and between toes, creating constant pressure. Loose shoes, on the other hand, allow the foot to move and slide, leading to repeated rubbing. Both pressure and friction signal the skin to thicken over time.
Hammer toes / claw toes
When toes are bent or contracted, they no longer sit flat. The tip of the toe can press into the ground, while the top of the joint rubs against the shoe. This creates pressure from both directions, which is why corns often form on the tops or tips of these toes.
Bunions
Bunions change the shape and alignment of the forefoot. The prominent joint can rub against footwear, while the shifting position of the big toe can crowd the smaller toes. This combination often leads to pressure points on the side of the foot and between toes.
Flat feet or high arches
Both can alter how weight is distributed through the foot. Flat feet may increase pressure through the inside of the foot or forefoot, while high arches tend to concentrate load on the heel and ball of the foot. In both cases, certain areas end up working harder than they should.
Walking pattern (biomechanics)
The way you walk influences where pressure builds up. If joints are stiff, movement is uneven, or you favour one side, certain parts of the foot can become overloaded. Over time, the skin adapts by thickening in those high-pressure areas.
Long hours on your feet
Spending long periods standing or walking increases the total load going through your feet. Even small pressure differences become significant when repeated over hours each day, leading to gradual build-up of callus or corns.
Skin and age-related changes
As we age, the natural fat padding under the foot can thin, reducing shock absorption. This means pressure becomes more concentrated over bony areas, making the skin more likely to thicken in response.
Smoking and circulation factors
Smoking has a more direct impact than many people realise. It affects circulation, skin quality, and tissue resilience, which can make the skin more prone to thickening under stress. There’s even a recognised pattern sometimes referred to as “smoker’s corns,” where reduced tissue health contributes to persistent, recurrent lesions.
Why Podiatrists Don’t Always Remove All of the Callus?
Callus isn’t always “bad.”
It can actually be protective, helping to cushion areas under pressure. Removing too much can leave the skin sensitive or more vulnerable.
So the goal is usually to reduce it safely, not completely remove it.
Why do They Keep Coming Back?
Because the cause is still there.
Corns and calluses aren’t the problem; they’re the result of a problem. Your body is responding to repeated pressure or friction by building thicker skin to protect itself.
We can remove the hard skin and make the area feel much more comfortable, but if the pressure or rubbing hasn’t changed, your body will simply build it back again. That’s not a failed treatment; it’s your skin doing exactly what it’s designed to do.
This is why people often feel like they’re stuck in a cycle. The corn or callus is treated, it improves, and then gradually returns over time in the exact same spot.
The key thing to understand is that unless the source of the pressure is addressed, the skin will keep responding in the same way. That might be footwear, toe position, the way your foot moves or a combination of factors.
That’s why podiatry treatment isn’t just about removing the hard skin, it’s about identifying and reducing the cause. Once that pressure is reduced, the body no longer needs to keep building that protective layer, and the cycle can start to break.
How do you Stop Them Coming Back?
The key is reducing the pressure.
That might involve better footwear, padding or addressing how your foot is moving. Once the pressure is reduced, your body no longer needs to keep building that thickened skin.
If you want a more detailed breakdown of treatment options, we’ve covered this in our blog “How to Prevent and Treat Foot Corns and Calluses”.
Do you Have Painful Corns & Calluses?
Our podiatrists are here to ensure those in Canberra have access to quality services that can help individuals get the treatment they deserve.
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