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Foot care guide

How to heal cracked heels, and when to get help

Most cracked heels get better with simple, steady home care: a short soak, gentle filing, a cream with 10% to 25% urea and a layer of petroleum jelly under cotton socks at night. Keep it up daily and you can usually expect a response in about two weeks. If a crack bleeds, looks infected or hurts badly when you stand or walk, or if you have diabetes, poor circulation or a weakened immune system, see a podiatrist or doctor instead of treating it yourself.

A simple nightly routine

Three evening steps. Moisturize again in the morning, and keep going after your heels improve.

1

Soak and gently smooth

Soak your feet in warm, not hot, water for 5 to 10 minutes, then lightly file the softened hard skin with a wet pumice stone or foot file. Stop well before it feels raw, and skip any sore or open spot. If you have diabetes or poor circulation, skip the filing and see a podiatrist instead.

2

Moisturize while damp

Pat your feet dry and, while the skin is still slightly damp, massage in a cream with 10% to 25% urea, an alpha hydroxy acid such as lactic acid, or salicylic acid. Keep it off the skin between your toes. Urea can sting a little on open cracks.

3

Seal and cover

Spread a layer of plain petroleum jelly over the cream and pull on clean cotton socks for the night. The jelly seals moisture in, and the socks help hold it there and protect your sheets.

Why heels crack

Dry, thickened skin

The most common cause is skin that lacks moisture. It stiffens and builds a hard rim of callus around the heel. When your weight presses down, the heel's fat pad spreads sideways and the stiff skin splits.

Pressure and bare feet

Standing for long hours, especially on hard floors, and extra body weight both put more pressure on the heel pad. Walking barefoot is another known risk factor.

Open-back and worn shoes

Flip-flops, slingbacks and other open-back shoes give the heel pad no support, so it spreads sideways more easily. Worn-down or poorly fitting shoes add to the problem.

Dry air, hot showers and age

Cold, dry weather, harsh dry climates and long, hot showers pull moisture from your skin. Older skin also makes less oil and gets thinner, so heels tend to dry out more easily.

What helps, and what to avoid

Ingredients that help

Look for a cream or ointment with urea, an alpha hydroxy acid such as lactic acid or ammonium lactate, or salicylic acid. The American Academy of Dermatology suggests 10% to 25% urea for this. As a rough guide, up to about 10% urea mainly hydrates, 10% to 30% hydrates and softens, and 30% to 50% is meant for small patches of thick callus. Higher strengths irritate more often, and urea can sting on open cracks. Ointments seal in moisture better than creams, and both work better than lotions. No single ingredient has been proven best, so pick one you will use every day.

Pumice and foot files, done safely

Soften hard skin first with a 5 to 10 minute soak in warm water, then file gently with a pumice stone or foot file and moisturize afterward. Use light strokes and do not try to remove it all at once, because taking off too much can cause bleeding and infection. Never file over sore, inflamed, itchy or broken skin. Do not cut, shave or dig at hard skin with razors, blades or callus shavers, and skip strong acid corn and callus removers, which can burn the healthy skin around them. Removing thick skin with a blade is a job for a podiatrist.

Deep or painful cracks

Deep cracks can make standing and walking painful, and they can bleed. During the day, an over-the-counter liquid, gel or spray bandage can form a protective barrier over a crack. It can reduce pain, help healing and keep germs out. A clean dressing over split skin also helps until it closes. Do not file the area, and go easy with stronger urea creams, which can sting broken skin. Supportive closed-back shoes give the heel pad support so it spreads less. If a crack bleeds or shows raw, red tissue, see a podiatrist, who can safely remove thick skin, strap the heel and close the edges with tissue adhesive.

When to see a doctor or podiatrist

Make an appointment if a crack bleeds or shows red, raw tissue, if standing or walking hurts badly, if a crack keeps reopening, or if nothing has improved after about two weeks of steady home care. Call your doctor promptly about signs of infection: skin that is red (or darker than usual on brown and black skin), hot, swollen or tender, pus or discharge, spreading redness, or a fever. Bacteria getting into a crack can cause cellulitis, which needs prompt antibiotics. Scaling across the whole sole, itching between the toes or one foot much worse than the other can point to athlete's foot, which needs antifungal treatment.

Diabetes, numb feet and poor circulation

If you have diabetes, numbness or tingling in your feet, poor circulation or a weakened immune system, do not file, cut or otherwise treat hard skin yourself, and avoid acid corn and callus products completely. Diabetic nerve damage can dry the skin and can also stop you from feeling an injury. With nerve damage or poor blood supply, a heel crack can turn into a foot ulcer and is more prone to infection. Check your feet every day, including the soles and between the toes. Keep moisturizing daily, but not between the toes, and have any crack, sore or slow-healing spot checked promptly by a podiatrist or doctor.

Habits that keep heels smooth

Moisturize your heels daily, ideally within a few minutes of a shower while the skin is still damp, so callus does not build up. Keep showers and baths to 5 to 10 minutes in lukewarm water with a gentle, fragrance-free cleanser, then blot dry. Choose supportive closed-back shoes, or sandals with a wide enough heel seat, and retire worn-down pairs. If your heels keep cracking, socks and closed shoes help, even in summer. Very sweaty feet are the exception: skin that stays too moist can crack too, and then the goal is less moisture, not more. Once cracks close, keep moisturizing, because stopping often lets them come back.

How long it takes, and how Radien can help

With daily care you can usually expect a response in about two weeks, and studies on dry feet measured improvement at two and four weeks. Deep cracks can take longer. Radien is an AI skincare app built around face analysis, but you can use its skin concern check on any area of your own skin, including a heel. Take a photo and add an optional short note. Dry, thickened skin with a closed surface gets gentle care steps and a rough time frame. An open, deep or bleeding crack gets a referral to a professional, with the reason. It never names a condition and is not a diagnosis.

Frequently asked questions

A consistent nightly routine is the quickest reliable approach. Soak for 5 to 10 minutes, gently file the softened hard skin, apply a cream with 10% to 25% urea, cover it with petroleum jelly and wear cotton socks to bed. Moisturize again in the morning. You can usually expect a response in about two weeks. There is no safe overnight cure, and cutting skin off is not a shortcut.

Yes, as a sealing layer. Plain petroleum jelly locks moisture in, and ointments like it seal better than creams or lotions. The American Academy of Dermatology suggests putting it over a urea cream at night and wearing cotton socks to bed. If a crack is open, bleeding or looks infected, have it checked by a podiatrist or doctor rather than just covering it.

Usually not. Medical summaries point to dry skin, pressure on the heel, long hours of standing, open-back shoes and dry weather, not vitamins. A genuine severe deficiency, such as pellagra from a lack of niacin (vitamin B3), can cause cracked feet, but it is rare where food is fortified. There is no good evidence that supplements heal ordinary heel cracks. Daily moisturizing is what helps.

Yes, gently and a little at a time. After a short soak, use a pumice stone or foot file with light strokes, then moisturize. Removing too much can cause bleeding and infection. Never cut or shave hard skin with a blade, and do not file over sore or broken skin. If you have diabetes, poor circulation or a weakened immune system, leave it to a podiatrist.

Sometimes. Most come from dry skin and pressure, but heel cracks are linked with diabetes, an underactive thyroid, athlete's foot, eczema and psoriasis. A crack does not mean you have any of these. See a doctor or podiatrist if your heels keep cracking despite good care, the whole sole is scaly, you itch between your toes, your feet feel numb, or a child has painful, red, shiny soles.

With daily care, you can usually see a response in about two weeks. Studies on dry feet measured improvement at two and four weeks, and deep cracks can take longer. If nothing has changed after about two weeks, or the cracks are getting worse, see a podiatrist. Once your heels are smooth, keep moisturizing so the cracks do not come back.

It can help you choose a next step, but it cannot diagnose. Radien's skin concern check lets you photograph your heel and add an optional note. Dry, thickened skin with a closed surface gets gentle care steps, while an open, deep or bleeding crack gets a clear referral to a professional. It cannot rule out infection or athlete's foot. Your first check is free; after that it is part of Premium, or you can watch a short ad for one more.

Not sure about a patch of skin?

Radien's skin concern check looks at one photo and tells you whether it is everyday care or one for a professional. The first check is free on iOS and Android.

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Radien is a wellness and cosmetic guidance tool. It does not diagnose, treat or cure any medical condition and is not a substitute for professional medical or dermatological advice.