Allantoin: The skin-soothing and Repairing active ingredient

Although less well-known than vitamin C or retinol, allantoin is nonetheless a valuable ingredient found in many restorative and soothing skincare products. Discreet yet effective, it is often described as a "comforting" active ingredient, particularly appreciated by those with sensitive or stressed skin.

Allantoin is known for its soothing and restorative properties: it helps calm the skin while supporting its regeneration process. Here's what you need to know about this asset, what it offers, and who it's for.

What is allantoin?

Allantoin is a molecule found naturally in several plants, such as comfrey, beets, and wheat germ, and is produced by many living organisms. In cosmetics, it is most often obtained through synthesis, a form that is chemically identical to the natural molecule, ensuring greater purity and stability.

It is recognized as a skin-protecting agent that is well tolerated, even by sensitive skin, and is among the ingredients whose safety has been extensively evaluated. It is this combination of gentleness and effectiveness that explains its inclusion in many facial and body care products.

What does allantoin do for the skin?

Allantoin works in several ways. First and foremost, it is valued for its soothing and anti-irritant properties: it helps alleviate feelings of discomfort and reduce the appearance of redness, making it particularly beneficial for sensitive skin.

It also has restorative properties. Studies have shown that allantoin promotes skin repair by regulating the inflammatory response and stimulating fibroblast proliferation as well as extracellular matrix synthesis—two key mechanisms in skin renewal. Finally, allantoin has a gentle keratolytic effect that helps smooth the skin’s surface and contributes to improving its hydration and comfort.

For which skin types and needs?

Thanks to its gentle nature, allantoin is suitable for all skin types and is particularly well-suited for dry, sensitive, reactive, or uncomfortable skin. It is, of course, found in skincare products designed to repair, soothe, and restore skin comfort.

It blends well with other complementary active ingredients. When combined with moisturizing or regenerating agents, it enhances a formula’s soothing effect while supporting the skin barrier, which is essential for healthy, resilient skin.

Allantoin in PERS Skincare Products

At PERS, allantoin is used in the REPAIR phase of our skincare regimen, working in synergy with other active ingredients. The PERS Rich Cream combines allantoin with peptides and panthenol to support skin regeneration, provide firmness, suppleness, and comfort, and act as a true overnight repair treatment.

The PERS Light Cream combines allantoin with hyaluronic acid and panthenol for a moisturizing and soothing effect that helps rebalance and repair the skin barrier every day. In both cases, allantoin contributes to the formula’s soothing properties.

Key Takeaways

Allantoin is a gentle and versatile active ingredient that soothes, repairs, moisturizes, and smooths the skin. Well-tolerated by all skin types, it is ideal for calming sensitive skin and supporting skin regeneration. Although rarely featured on its own, it plays an essential role when combined with other active ingredients, resulting in skin that feels more comfortable, soothed, and visibly better repaired.

Scientific Sources