Urea holds water in the upper layer of the skin and gradually softens hardened areas. Lower concentrations are for daily care, higher ones for heavily hardened skin. More does not mean better.
1What urea does in a heel cream
The skin on the feet is built differently from the skin on the face. It is thicker, it withstands pressure and it has no oil glands. When it loses water it toughens and starts to crack in the places under the greatest strain.
Urea is among the few ingredients that also occur in the skin itself. In a cream it acts on two levels: it holds moisture in the upper layer and gradually loosens the bonds between cells that have already hardened. That is why the skin does not merely look softer, it becomes softer.
2How many per cent of urea are needed for heels
This is the question that decides whether the cream will do the job. The concentration determines whether the product mainly hydrates or mainly softens the hardened layer.
The practical rule is simple: start with the gentler formula and use it regularly. Regularity gives more than a high percentage applied once a week. For the full picture see the guide to cracked heels.
3What the research on urea shows
Urea is one of the few cosmetic ingredients with a substantial body of scientific literature behind it, because it has been used in dermatology for decades. Here is what three of the papers look at, without turning them into a promise of a result.
What they have in common is that urea is looked at on two levels: as an ingredient that holds water and as an ingredient that loosens the bonds in the hardened layer. That is exactly why the concentration matters, not just its presence in the formula.
These papers look at urea as an ingredient. They are not a study of any particular product and they are not a promise of a result.
4Urea, glycerine or petroleum jelly: what the difference is
Home remedies with vinegar or baking soda follow the same logic, and why they do not work is covered in the article on home remedies for cracked heels. The most common mistake is using petroleum jelly on its own and expecting it to soften. It holds the moisture that is there, but if the skin is already dry there is nothing to hold. In detail on that in the article on mistakes with cracked heels.
5How to use a urea heel cream properly
- Apply to clean, dry skin, preferably in the evening.
- Rub in until absorbed, including along the edges of the heel, where the first cracks appear.
- Put on a cotton sock so the cream stays on the skin.
- Do not combine it with harsh rubbing on the same day.
- Carry on even after the skin improves, otherwise the hardening comes back.
What to expect and when
The first two or three days change the feel, but not the look of the heel. The skin stops feeling tight after a bath and the edges become softer to the touch. A visible difference in the cracks builds towards the second week, because the hardened layer renews itself gradually rather than coming off at once.
If after four weeks of regular application there is no change at all, that is already a signal that the reason is not dryness alone. In that case see when cracked heels are no longer a cosmetic problem.
6Natural care for cracked heels with White pine and urea
The 2-in-1 cream by InaEssentials is built around exactly this logic, and how the family behind it got there you can read in the article on the making of the White pine and urea cream. Urea takes on the softening, White pine adds the Bulgarian herbal tradition, and geranium keeps the texture light so it absorbs quickly.
The conifer extract is the heart of the recipe. It is used in the Bulgarian herbal tradition to care for the skin of the feet and gives the cream its distinctive fresh scent.
The ingredient that holds moisture in the skin and gradually softens hardened areas. It works with the water in the skin instead of covering it over.
It balances the formula and rounds out the scent without weighing down the texture. The cream absorbs quickly and leaves no greasy layer.
Buy 2, get 2 Organic White Pine Waters free
The set is enough for full care through the whole season. The cream softens, while the Organic White Pine Water refreshes the feet between applications.
7What people already using it say
The cream has 4.83 out of 5 stars from 24 ratings. Here are a few of them, posted by verified buyers.
„It's brilliant, after just a few applications my heels aren't cracked anymore, and the discolouration on my nails from the fungus has really improved! I'm hoping they'll be completely gone soon :)!“
„I’m using my first tube and I’m really happy. I’ve struggled with toenail fungus for years, and I can honestly say this product works. After two weeks, the less affected nails already look normal. I apply it diligently morning and night, and even my lifted nail is improving. One tube won’t be enough, but I’ll definitely keep ordering. A magical natural product!“
„Unfortunately I don’t have a photo before and after but I can say that the cream is amazing and I see changes to the nails (big toe especially) and heels. Highly recommended and will be buying again“
„Lovely cream. My feet have stopped itchy. Yellow nail has faded slightly. Odour has gone. My feet are so soft.“
About the InaEssentials family
InaEssentials is a Bulgarian family business with over 25 years of experience in organic farming and in natural cosmetics with rose oil, herbal waters and actives from its own plantations. Every product is created with care for the skin and respect for nature.
The Ralchevi family grows the herbs in its own plantations near Panagyurishte and follows every step from the field to the finished product. You can read more about the family's journey on our about page.
8Frequently asked questions
What concentration of urea is suitable for heels?
Can a urea cream be used every day?
How is urea different from petroleum jelly?
Sources and important information
- Urea in Dermatology: A Review of its Emollient, Moisturizing, Keratolytic, Skin Barrier Enhancing and Antimicrobial Properties. Dermatology and Therapy, 2021.
- Clinical evidences of urea at medium concentration. International Journal of Clinical Practice, 2020.
- Comparative Efficacy of Novel Skin Barrier Repair Cream and Urea 40% for the Management of Pedal Fissures. Journal of the American Podiatric Medical Association, 2025.
- The experience of InaEssentials in natural cosmetics and in caring for dry skin.
InaEssentials products are cosmetics and are not medicines. The content of this article is for information and does not replace a consultation with a specialist. If cracks are deep or painful, if there is bleeding or an accompanying condition, seek medical help.
This article was created with the help of AI to gather and structure the information, after which it was reviewed in detail, edited and fact-checked by our team.
