Callus Removal

How to Soften and Smooth Calluses at Home

The safest way to reduce the look of a callus at home is slow and steady: soak your feet in warm water for 5 to 10 minutes, gently file the softened skin with a damp pumice stone, then moisturize every day with a rich cream or balm. Done once or twice a week, this keeps heels smooth without cutting or over-filing. A callus is thick skin your foot builds where it rubs, so a little hardness is normal and protective. The goal is comfortable, smooth-looking skin, not removing it all.

Below is the dermatologist-recommended routine, plus a formulator's foot scrub and heel balm in grams and percentages. For hands and toenails, see our nail care page.

Why Calluses Form

Repeated pressure and rubbing, from shoes, walking barefoot, or the way you stand, make the outer layer of skin thicken in that spot. Heels, the ball of the foot, and the sides of the big toe are the usual places. When thick skin gets dry, it loses flexibility and can split along the heel edge, which is why moisturizing matters as much as filing.

The Dermatologist Routine, Step by Step

The American Academy of Dermatology (AAD) recommends this approach for calluses:

1. Soak the area in warm water for about 5 to 10 minutes, or until the skin softens.
2. File gently with a pumice stone dipped in warm water, using circular or sideways motions to remove dead skin. Do not take off too much skin, which can lead to bleeding.
3. Moisturize daily with a lotion or cream that contains salicylic acid, ammonium lactate, or urea, ingredients that gradually soften thick skin.
4. Cushion the area with moleskin cut into a half-moon shape around the callus.
5. Wear shoes that fit. Shop in the late afternoon, have your feet measured, and avoid shoes that are too tight or too loose.

Urea earns its place on that list: a 2013 review in Dermatology Online Journal by Pan and colleagues describes urea as a potent emollient and keratolytic agent, meaning it both moisturizes and loosens thick, rough skin.

Equipment and Sanitation

• Digital scale reading to 0.1 g
• Heat-safe glass beaker, small saucepan for a water bath, and a thermometer
• Spatula, a wide-mouth jar for the scrub, and a tin or jar for the balm
• Your own pumice stone or foot file (do not share it), plus 70% isopropyl alcohol

Wash tools and jars in hot soapy water, dry them completely, spray with 70% isopropyl alcohol, and let them air dry. After each use, scrub your pumice stone with soap and hot water and let it dry fully before storing.

Recipe 1: Smoothing Sugar Foot Scrub (100 g)

1. Melt the coconut oil gently, then stir in the sweet almond oil, vitamin E, and lemongrass.
2. Pour the oils over the sugar and mix until it looks like damp sand.
3. Spoon into a clean, dry jar and label it with the date.

Lemongrass is rich in citral, so its safe level depends on the product type. Tisserand and Young set its maximum dermal use level at 0.7%, and the IFRA certificate for East Indian lemongrass oil (51st Amendment) allows up to 1.6% in rinse-off products such as a scrub, so this rinse-off scrub uses 0.7%, about 6 drops per ounce at the house rate of 9 drops = 1% per fluid ounce. To use: after soaking and filing, massage a tablespoon over heels and the balls of the feet for a minute, then rinse. Use it once or twice a week, never on cracked or broken skin. The oil makes the tub slippery, so rinse the floor and step out carefully. For more scrub recipes, see our DIY scrubs guide.

Recipe 2: Rich Overnight Heel Balm (50 g)

1. Melt the beeswax in a water bath at about 65 to 70°C (149 to 158°F).
2. Add the shea butter, coconut oil, and jojoba and stir until clear.
3. Take it off the heat, cool to about 50°C (122°F), and stir in the vitamin E and lemongrass.
4. Pour into a clean tin and chill in the refrigerator for 20 minutes so the shea butter sets smooth.

To use: at night, warm a pea-sized amount between your fingers, massage it into each heel, and pull on cotton socks. Because the balm stays on the skin, the lemongrass is held at 0.2%, the IFRA limit for leave-on body products (Category 5A), which is about 2 drops per ounce. For a ready-made option, our Glow Up Whipped Tallow Balm (grass-fed tallow and manuka honey) works the same way.

Your Weekly Callus Routine

• Every night: heel balm and cotton socks.
• Once or twice a week: 5 to 10 minute warm soak, a few gentle passes with a damp pumice stone, then Recipe 1 and balm.
• Every day: shoes that fit, and moleskin on spots that rub.
• Expect: smoother, softer-looking heels within 1 to 2 weeks and a steady improvement over a month. Stopping the friction is what keeps calluses from building back up.

Shelf Life and Storage

The scrub and the balm contain no water, so they need no preservative. Keep water out: use a dry spoon for the scrub instead of wet fingers in the shower, and close the lids tightly. Use the scrub within 3 months and the balm within 6 to 12 months. These are formulator estimates based on how fast the oils go stale, not lab-tested shelf lives.

Patch Test and Safety

Patch test both recipes on your inner arm for 24 hours. If your skin is sensitive, make both recipes without the lemongrass first, and add it only once you know your skin is comfortable. Never cut, shave, or dig at a callus with a razor or blade. Skip the scrub on cracked, bleeding, or broken skin. If you have diabetes, poor circulation, or numbness in your feet, or if a callus is very painful or you are not sure what it is, see a board-certified dermatologist or podiatrist before trying home care, as the AAD advises.

Troubleshooting

• Heels sting after filing: you took off too much. Skip filing for a week and use only the balm.
• Scrub hardened in the jar: coconut oil sets below about 24°C (76°F). Stir it, or swap half the coconut oil for more sweet almond oil.
• Balm is too hard to spread: remelt and add 2 to 3 g of jojoba.
• Calluses keep coming back: look at your shoes and where they rub. The friction source matters more than the file.

Frequently Asked Questions

What is the best way to remove calluses at home?

Soak in warm water for 5 to 10 minutes, file gently with a damp pumice stone, and moisturize daily. This is the approach the American Academy of Dermatology recommends. Repeat once or twice a week rather than trying to take it all off at once.

Should you cut off a callus?

No. Cutting or shaving can take off too much skin and cause bleeding. Gentle filing after a soak is safer, and a dermatologist or podiatrist can trim very thick calluses if needed.

How often should I use a pumice stone on my feet?

Once or twice a week is enough for most people. Use a few light passes on softened skin and stop if it feels tender.

Does urea cream help with calluses?

Urea is one of the ingredients the AAD lists for softening thick skin, along with salicylic acid and ammonium lactate. A 2013 review describes urea as both an emollient and a keratolytic, so it moisturizes and loosens rough skin over time.

Why do my calluses keep coming back?

Calluses form where skin is pressed or rubbed, so they return as long as the friction continues. Shoes that fit, cushioning pads, and daily moisturizing keep the skin from building up as fast.

Can I use a sugar scrub on cracked heels?

Not on open cracks. Let cracks close first with nightly balm and cotton socks, then add a gentle scrub once a week.

Shop and Learn More

Scent your scrub and balm with Organic Lemongrass Essential Oil, moisturize with Glow Up Whipped Tallow Balm, and learn more in our shea butter and lactic acid glossary entries.

Sources

• American Academy of Dermatology. How to treat corns and calluses. aad.org
• Pan M, Heinecke G, Bernardo S, Tsui C, Levitt J. Urea: a comprehensive review of the clinical literature. Dermatology Online Journal. 2013;19(11). doi:10.5070/D31911020392
• Tisserand R, Young R. Essential Oil Safety, 2nd edition. Churchill Livingstone, 2014: lemongrass dermal maximum 0.7%.

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

About the Author
Written by Kari Thomas, cosmetic formulator and founder of Skin Perfection.