Cracked Heels: The Half of the Popular Tip That Has a Source, and the Tier Above It

Soak the feet in vinegar water, dry them, and put on a thick layer of petroleum jelly under socks. That is the tip that circulates for cracked heels, and half of it is on the American Academy of Dermatology's page in nearly those words. The other half is not, and the one thing the AAD's page says about water points the other way: baths and showers of five to ten minutes, because longer dries the skin and makes the heels worse. So the tip splits along the source line. Keep the jelly; drop the soak. Around that, the AAD gives a short routine with numbers in it, DermNet explains why a heel cracks and what a podiatrist does when the routine is not enough, and both agree on when a week is up.

The soak-and-Vaseline tip, split along the source line

The jelly half first, because it is the AAD's own bedtime step: Before bed, apply plain petroleum jelly. Consider wearing socks at night to avoid getting grease on your bedding. Plain is the operative word. Nothing scented, nothing medicated, a thick layer, and socks so the sheets survive.

The soak half has no line on either page read for this article. The AAD's page does not mention vinegar; neither does DermNet's; neither mentions a soak of any kind. What the AAD does say about water is a limit: Limit baths and showers to 5-10 minutes. Bathing for too long can dry out the skin, making dry, cracked heels worse. A foot soak is a bath for the feet, and the AAD's reason for the limit applies to it as written. A vinegar foot soak for cracked heels is therefore two things the sources do not support stacked on one they warn against: an ingredient neither page names, in a bath longer than the page allows.

What survives of the tip is the part people skip because it is boring: after a short wash, while the heels are still damp, the cream; at bedtime, the jelly and the socks. That is the AAD's routine, and the rest of this page is it.

A note from the site's owner

This is the owner of the site, not the author, writing down one person's experience, which is not evidence. My own heels cracked, moderately, and as I write this they are close to closed. What I did: every night, wash the feet with plain water and put on a thick layer of an antibacterial ointment. Twice in one week, three days apart, I soaked the feet for thirty minutes in a medicated foot bath that came up to the instep, dried them with clean tissue, gently wiped away the skin the soak had loosened, and put the ointment on again. Since then, the nightly wash and ointment is the maintenance.

Two things about that routine, held against the sources on this page. The soaks were thirty minutes, three times the AAD's upper limit for water, and the AAD's reason for the limit is above; I am reporting what I did, not recommending it. And the ointment I used is not sold or labeled for sale in the United States, so it is not named here and there is no link to it; the AAD's routine above, with the products on the card, is the version a reader here can follow. The one part of my routine that matches the sources line for line is the boring part: something occlusive on the heels every night, and wiping the loosened skin away gently rather than cutting it.

Why a heel cracks

DermNet's page starts with the mechanism, and it is the reason shoes are on the AAD's list. The rim of the heel thickens into a callus. Then, under load: Increased pressure on the fat pad under the heel causes it to expand sideways, leading to splitting or cracking of the callus. The heel's own cushion spreads out when you stand, and the hard skin around it, which does not stretch, splits.

That is why DermNet lists weight, prolonged standing on hard floors, and Open-back shoes and sandals, as they provide no support to hold the fat pad under the foot as contributors, and why the AAD's shoe rule reads as it does: avoid open-heeled shoes, such as flip flops or slingbacks, shoes that are worn down, or shoes that don't fit properly. Softening the callus is half the job; keeping the fat pad from spreading is the other half, and no cream does that. Two other mechanisms crack a heel without dryness being the cause, one of them a fungus that imitates it; why do heels crack sorts the three by what is on the foot, and athlete's foot treatment covers the fungal one, including the DermNet line that a urea or salicylic acid cream is an addition to antifungal treatment rather than a substitute for it.

DermNet also lists who is predisposed: dry skin, atopic dermatitis, psoriasis of the palms and soles, palmoplantar keratoderma, and systemic conditions including diabetes and hypothyroidism. Those are reasons the routine below may not be the whole answer, and the last section returns to them.

The AAD's routine, with its numbers

Seven steps, in the AAD's order, each with the number the AAD attaches.

Five to ten minutes of water. The bath limit above, and a gentle blot rather than a rub.

A gentle cleanser. Use a gentle, fragrance-free cleanser, so the feet keep their own oils.

The cream, within five minutes, in a stated range. Look for a moisturizing cream that contains 10-25% urea, alpha hydroxy acid, or salicylic acid, and apply it to your heels immediately after bathing while your skin is still damp, and again whenever the heels feel dry. The range is the useful part: a heel balm that prints its urea percentage can be placed inside or outside it. DermNet's frequency for the same step, once cracks have started: a moisturising routine 2–3 times a day may be all that is needed to heal the heel. Why a heavier form holds longer than a lighter one is in products for very dry skin; the heel is the extreme case of that page.

Jelly at bedtime, with socks. The line quoted above.

A liquid bandage by day. During the day, apply a liquid bandage over the cracks in your heels to create a protective barrier, which can help reduce pain, speed up healing, and stop germs from entering your skin. DermNet names the same category: a liquid, gel or spray bandage over the fissures. What one such product's own label says about its limits is in the product section.

Closed heels. The shoe line above.

The exception. Sometimes, cracked heels are caused by a medical condition, such as diabetes, and the handoff: If your dry, cracked heels are severe or do not improve after following these tips, talk to a board-certified dermatologist.

How to heal cracked heels, on the AAD's page, is those seven, and no soak among them.

Pumice, yes; blade, no

How to remove hard skin from heels is answered on DermNet's page in two sentences that sit a few paragraphs apart, and both belong together. The home version: A pumice stone can be rubbed gently against the callus to take away some of the thick hard skin before applying moisturiser. Gently, some, and before the cream. The other version, filed under what a podiatrist does, comes with a warning about doing it yourself: debridement of hard thick skin is a clinician's procedure, and this should not be attempted at home using scissors or razor blade as there is a risk of removing too much skin and infection occurring.

The foot-care aisle sells both a pumice and a blade, sometimes on the same peg, and the sources draw the line between them. A pumice takes off some surface; a blade takes off an amount you cannot judge from above, into skin that is already split. The blade's job exists, and the next section is where it is done.

What a podiatrist does that you cannot

DermNet gives the handoff a number: For severely cracked heels or if no improvement is seen after a week of self-treatment a visit to a podiatrist may be required. A week of the routine above, done as written, is the trial.

Past it, DermNet lists five things, and naming them is the point, since a remedy list never does. Debridement, the cutting away of the hard skin, by someone trained to judge the depth. Strapping, bandages or dressings around the heel to stop the skin moving while it heals. Prescription for stronger softening or debriding agents, usually containing urea or salicylic acid, which is the same chemistry as the cream step at strengths the shelf does not sell. Insoles, heel pads, or heel cups to redistribute the weight of the heel and provide better support, which is the fat-pad mechanism addressed directly. And Special tissue glue to hold the edges of the cracked skin together so it can heal.

None of those is described here beyond its name, because none is a home procedure. What the list tells a reader is what "it has not improved" leads to, and that the answer is not a stronger cream from the same aisle.

The four products, by what the label says

The card near the top lists four products on the same six points: the keratolytic active and its printed percentage against the AAD's 10 to 25% band; the form and which of the AAD's two steps it belongs to; the manufacturer's directions against the AAD's timing; any diabetes wording, reported as the manufacturer's beside the institutions' handoff; fragrance; and what was not checked.

Flexitol Heel Balm. Active: Flexitol Heel Balm contains 25% urea, which is the top of the AAD's range. Form: a balm for the daytime cream step. Directions: Apply sparingly to rough, dry, cracked and thickened skin on feet and Apply twice daily, morning and night; the AAD's timing is within five minutes of bathing and whenever dry, and the two fit. Diabetes: the page states Flexitol Heel Balm is suitable for people with diabetes. That is the manufacturer's sentence. The AAD's is that diabetes is a medical cause to raise with a dermatologist, and DermNet's is that in diabetes the fissures may lead to foot ulcers; this page repeats all three and does not choose between them. Fragrance: on the list. Not checked: texture, price, whether it heals a heel.

Kerasal Intensive Foot Repair. Active: urea and salicylic acid, in a petrolatum base, per the page's list, White petrolatum, PEG-8, glycerin, urea, PEG-40 sorbitan peroleate, salicylic acid, PEG-40 stearate, polysorbate-80. No percentage for either active is printed, so whether it falls inside the AAD's 10 to 25% range cannot be said, and this page does not guess. Form: an ointment, which puts it between the AAD's two steps, a keratolytic in a petrolatum base. Directions: Massage the ointment onto clean, dry feet until fully absorbed. For faster results, cover with socks after applying; "clean, dry" differs from the AAD's damp-skin timing, and the page notes the difference without resolving it. The manufacturer's results claims are not repeated. Not found on Amazon US, so no buy link; the manufacturer's page is the link. Not checked: the same three.

Vaseline Original Healing Jelly. The AAD's bedtime step. Its DailyMed label lists a single active, white petrolatum, with skin protectant as its purpose; the label is linked from products for very dry skin, where the same jar is the ointment example. No urea, no acid, no fragrance on the label. Not checked: the same three.

New-Skin Liquid Bandage. The AAD's daytime step, and the one product here that is a drug with a label to read. Active: Benzethonium chloride 0.2%, purpose first aid antiseptic. Directions: apply small amount on the area 1–3 times daily. Then the label's limits, which the AAD's one-line step does not carry. Do not use, the label says, longer than one week unless directed by a doctor, and do not use with other first aid products such as lotions and creams. The AAD's routine puts a cream on the heel in the morning and a liquid bandage over the cracks by day; the label says not to combine the two, and gives a week. Those instructions are placed side by side here and not reconciled; a reader following the AAD's routine with this product is doing something its label addresses, and the label is the document written for the bottle. And the label's own diabetes line: Ask a doctor before use if you have deep or puncture wounds deep cuts animal bites serious bleeding diabetes poor circulation serious burns. Not checked: the same three.

Best cream for cracked heels is, on this page, answered by the AAD's range rather than a pick: a cream with 10 to 25% urea, alpha hydroxy acid or salicylic acid, on damp skin, with plain jelly at night.

When this is a podiatrist's or dermatologist's question

DermNet's warning signs: The cracks may be so deep that they begin to bleed, and past that, infection, which it names as cellulitis and describes as needing treatment. Diabetes, on both pages and on the liquid bandage's label; DermNet's reason is specific: Cracked heels are of particular concern for diabetic patients, who may suffer neuropathic damage (loss of feeling, particularly of the feet), as the fissures may lead to diabetic foot ulcers. Cracked heels diabetes is therefore not a product question on any of the sources here; it is a clinician's from the start. And the two handoffs already quoted: DermNet's week, to a podiatrist; the AAD's "severe or do not improve", to a dermatologist. When to see a dermatologist covers how to get there.

The AAD's steps, with DermNet beside them

Step	The AAD's number	DermNet's matching line
Water	Baths and showers 5 to 10 minutes	No soak mentioned
Cleanser	Gentle, fragrance-free	Not addressed
Cream	10 to 25% urea, AHA or salicylic acid, within 5 minutes of bathing	Heel balms with urea, salicylic acid or AHAs; 2 to 3 times a day
Hard skin	Not addressed	Pumice, gently; never scissors or a razor blade at home
Night	Plain petroleum jelly, socks	Not addressed
Day	Liquid bandage over the cracks	Liquid, gel or spray bandage over the fissures
Shoes	No open heels, worn-down or ill-fitting shoes	Open-back shoes give the fat pad no support
Handoff	Severe or no improvement: dermatologist; diabetes is a medical cause	No improvement after a week: podiatrist; five interventions

FAQ

How do you heal cracked heels? The AAD's routine: short washes of five to ten minutes with a fragrance-free cleanser; within five minutes, a cream containing 10 to 25% urea, alpha hydroxy acid or salicylic acid, on damp heels and again whenever they feel dry; plain petroleum jelly under socks at bedtime; a liquid bandage over the cracks by day; and closed, well-fitting shoes. DermNet adds a pumice stone, gently, and a podiatrist if a week of that changes nothing.

Does a vinegar foot soak help cracked heels? Neither the AAD's page nor DermNet's mentions vinegar or a soak, and the AAD limits baths and showers to five to ten minutes because longer dries the skin and worsens the heels. The petroleum-jelly half of that tip is the AAD's own bedtime step.

What is the best cream for cracked heels? The AAD names a range rather than a product: 10 to 25% urea, alpha hydroxy acid or salicylic acid, applied within five minutes of bathing. A balm that prints its percentage can be placed in that range; one that does not cannot.

How do you remove hard skin from heels? With a pumice stone, gently, before the cream, per DermNet. Not with scissors or a razor blade at home, per the same page, because of the risk of removing too much skin and of infection; cutting away hard skin is a podiatrist's procedure.

What if I have diabetes? Then cracked heels are a clinician's question before they are a product question. The AAD lists diabetes as a medical cause to raise with a dermatologist, DermNet explains that loss of feeling in the feet means fissures can become ulcers, and the liquid bandage's own label says to ask a doctor before use.

How long before cracked heels improve? The AAD gives no number. DermNet's handoff is one week of self-treatment without improvement, after which a podiatrist may be required.

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The tip was half right, and the half that was right is the boring half. Short washes, the cream in the AAD's range while the heels are damp, plain jelly under socks at night, a pumice and never a blade, closed shoes, and a week before deciding it is not working. Cracked heels are one of the few problems on this site where the institutions agree with each other line for line; the only thing they leave out is the soak.

Sources

• How to care for dry, cracked heels, American Academy of Dermatology, last updated January 2022
• Cracked heel, DermNet
• Heel Balm, Flexitol, manufacturer page
• Intensive Foot Repair, Kerasal, manufacturer page
• Vaseline Healing Jelly, white petrolatum, Drug Facts, DailyMed
• New-Skin Liquid Bandage, benzethonium chloride 0.2%, Drug Facts, DailyMed, label effective January 2026