Urea

Urea is a small organic compound that draws water into the skin and gently loosens dead surface cells. At low concentrations it hydrates, at higher percentages it exfoliates, and throughout it helps other actives absorb more efficiently.

What it actually does

Urea is naturally present in your skin's Natural Moisturising Factor, the blend of hygroscopic molecules that live in the stratum corneum and hold water. When you apply it topically, it pulls moisture from the environment into the upper layers of the epidermis through its humectant properties. At concentrations below five percent, it functions primarily as a hydrator. Above five percent, it begins to interfere with the hydrogen bonds between corneocytes, loosening the compact arrangement of dead cells and allowing them to shed more easily.

This dual action makes urea useful for both dryness and roughness. It increases skin's water content, measurably reducing transepidermal water loss over time. It also softens thickened areas where keratinocytes have accumulated, smoothing texture without the irritation associated with alpha or beta hydroxy acids. Urea penetrates well and enhances the delivery of other ingredients layered alongside it.

The OVESSI point of view

We use urea in the tradition of Scandinavian restraint, where one ingredient does two things quietly and without fuss. It hydrates and exfoliates in the same gesture, which aligns with our interest in formula architecture that does not require multiple steps to address a single concern. We favour it at mid-range percentages where both actions occur without tipping into clinical intensity. This is layered care in the Korean sense, adding function without adding drama. Urea sits comfortably in a ritual because it does not compete with other actives or demand solo application. It supports the skin's existing hydration systems rather than replacing them, and it makes everything applied after it work a little harder. That efficiency matters to us.

What to expect, and when

In the first three to five days, you will notice softer skin immediately after application as urea draws water into the surface. Rough patches on elbows, heels, or dry cheeks begin to feel less coarse within the first week. By day ten, flaking diminishes and the skin's texture becomes visibly smoother under direct light. After three to four weeks of consistent use, the stratum corneum thins slightly where it was previously thickened, and hydration levels stabilise at a higher baseline. You will not see plumping or glow in the way you might with other humectants. You will not experience dramatic peeling. What you get is quiet, cumulative improvement in how the skin feels to the touch and how evenly it reflects light.

How to layer it in your ritual

Urea belongs in the treat or seal step, depending on the formula. In a lightweight serum or essence, apply it after toning and before heavier creams. In a richer cream base, it functions as part of your final seal, locking moisture in while continuing to soften texture overnight. Morning or night both work. If your skin is very dry or thickened, night application allows urea's exfoliating action to work uninterrupted. If you layer it with other actives such as niacinamide or peptides, urea goes on first to improve their penetration. Avoid pairing it with high-strength acids or retinoids on the same evening unless your skin is accustomed to both, as the combined exfoliation can exceed what the barrier tolerates comfortably.

Where it lives on our shelf

We use urea in formulas designed to address dryness and roughness without relying on occlusive heaviness alone. You will find it in The Soak : Urea & Panthenol Comfort Cream, where it works alongside panthenol to hydrate and smooth in a single, considered texture. This is the product we reach for when skin feels tight, rough, or unable to hold moisture through the day. The pairing of urea with panthenol creates a formula that treats both the water content and the barrier integrity at once, which is the kind of efficiency we value.

Common questions

Does urea sting on broken or very dry skin? It can, particularly at higher percentages, because it penetrates quickly and interacts with compromised barrier lipids.

Can I use urea every day? Yes, at concentrations below ten percent it is gentle enough for daily use on most skin types.

Does urea work better in a cream or a serum? Both deliver it effectively, but cream bases slow evaporation and give urea more time to pull moisture into the skin.

Reviewed by

Danny Isaac, Head of Product Development, OVESSI.
Last reviewed: June 2026.

Further reading

A short, curated set of references where the science behind this page is documented in peer-reviewed literature.

1. Piquero-Casals J, Morgado-Carrasco D, Granger C, et al. Urea in Dermatology: A Review of its Emollient, Moisturizing, Keratolytic, Skin Barrier Enhancing and Antimicrobial Properties. Dermatol Ther (Heidelb). 2021;11(6):1905-1915. PMID: 34596890.
2. Dall'Oglio F, Tedeschi A, Verzì AE, et al. Clinical evidences of urea at medium concentration. Int J Clin Pract. 2020;74 Suppl 187:e13815. PMID: 33249708.
3. Verzì AE, Musumeci ML, Lacarrubba F, et al. History of urea as a dermatological agent in clinical practice. Int J Clin Pract. 2020;74 Suppl 187:e13621. PMID: 33249707.