Undecylenic acid

Table of Contents

Other names

10-Undecenoic Acid
Undecenoic Acid
Castor Oil–Derived Antifungal

Synopsis

Undecylenic acid is a fatty acid that is commonly used for its antifungal and antimicrobial properties. It is derived from castor oil and is most notably used in the treatment of skin infections caused by fungi, such as athlete's foot and ringworm. Undecylenic acid works by disrupting the cell membrane of fungal cells, inhibiting their growth and preventing the spread of infection. It is frequently found in topical treatments for fungal skin conditions and is often used in combination with other antifungal agents.

In addition to its antifungal properties, undecylenic acid has shown some anti-inflammatory and skin-healing effects, which may make it useful in the treatment of skin irritations or other dermatological conditions. It is often included in antifungal creams, ointments, and shampoos designed to treat conditions like tinea versicolor, jock itch, and fungal nail infections.

Undecylenic acid is also sometimes used as an ingredient in deodorants and cosmetic products, where it helps to combat odor-causing bacteria and support skin hygiene.

Historical Use:
Undecylenic acid has been used in Western medicine since the early 20th century, particularly for treating fungal infections of the skin. The active antifungal properties of undecylenic acid were recognized as early as the 1920s, and it quickly became a common remedy for conditions like athlete's foot. Before the development of synthetic antifungal medications, undecylenic acid was one of the primary treatments for dermatophyte infections.

In the early years of its use, undecylenic acid was often combined with other herbal or topical agents like sulfur and iodine to treat skin fungal infections. As antifungal treatments became more sophisticated, undecylenic acid remained a popular topical option, especially for mild fungal infections or for those seeking natural or less harsh alternatives to prescription medications.

Today, undecylenic acid is widely used in over-the-counter antifungal products, especially for treating skin and nail fungal infections. It is commonly found in fungicide creams, athlete’s foot powders, and treatments for jock itch. The continued popularity of undecylenic acid reflects its effectiveness, safety, and low risk of side effects compared to stronger antifungal agents.

In cosmetic formulations, undecylenic acid is valued for its ability to neutralize odor and maintain skin health, often used in deodorants, foot sprays, and personal hygiene products. It has gained attention for its mild, non-irritating nature, making it a preferred option in products for sensitive skin or for people who seek natural alternatives to harsher chemical ingredients.

Uses: Health Conditions

Antibiotics (alternatives to) (Traditional)
Athlete's Foot (Traditional)
Fungal Infections (Traditional)
Jock Itch (Traditional)
Warts (Traditional)

Body Systems

Digestive System (Science)
Gastrointestinal Tract (Science)
Immune System (Science)
Intestinal System (Science)
Skin (Science)
Large Intestines (Colon) (Traditional)