Close-up of vibrant purple bell-shaped Comfrey flowers hanging in a cluster against a light background.

Allantoin

Also known as: 5-Ureidohydantoin, Uric acid diureide, Glyoxyldiureide, (2,5-dioxo-4-imidazolidinyl)urea, 5-ureidohydantoin, (2,5-Dioxo-4-imidazolidinyl)urea, Urea hydrogen peroxide

Allantoin is a naturally occurring compound that is commonly found in plants, such as comfrey, chamomile, and sugar beet, as well as in the urine of most mammals. It has been widely used in the cosmetic and pharmaceutical industries due to its soothing, moisturizing, and healing properties. As a supplement, allantoin is often included in skincare products like creams, lotions, and ointments, where it serves to promote skin health by aiding in the healing of wounds, reducing irritation, and improving skin texture. Its ability to enhance skin smoothness and cell regeneration makes it a popular i...

Potential Side Effects

Side effects score: 0; Allantoin is generally considered safe for most people when used in skincare products, as it is commonly found in creams and lotions for its soothing and skin-protecting properties. However, some individuals may experience mild side effects, such as skin irritation, redness, or an allergic reaction, especially if they have sensitive skin or are allergic to allantoin or other

Health Categories

View efficacy ratings for Allantoin across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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