Professional fungus killer: Ciclopirox

What is Ciclopirox?

Ciclopirox is a synthetic antifungal agent, belonging to the hydroxypyridine class of compounds. Unlike common azole antifungals (like ketoconazole) which work by disrupting ergosterol synthesis in the fungal cell membrane, Ciclopirox has a unique, broad-spectrum mechanism of action. It primarily functions by chelating (binding) polyvalent metal cations (such as Fe³⁺ and Al³⁺). This process inhibits metal-dependent enzymes that are crucial for the degradation of toxic peroxides within fungal cells. This leads to a toxic buildup of peroxides, effectively killing the fungal cells.

Its distinct mechanism makes it particularly valuable because it reduces the risk of cross-resistance with azole-based antifungals. It is available in various formulations for topical application, including:

• Ciclopirox Olamine: This is the ethanolamine salt form of Ciclopirox, commonly used in creams, lotions, powders, and nail lacquers due to its enhanced stability and solubility.

• Ciclopirox (base form).

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Key specifications for B2B buyers include CAS Number (29342-05-0 for Ciclopirox Olamine), molecular formula, purity (often USP/EP grade), and compliance with relevant pharmacopoeia standards (USP, EP, JP).

What is Ciclopirox Used For?

Ciclopirox is renowned for its broad-spectrum activity against a wide range of dermatophytes, yeasts, molds, and other fungi. It also exhibits antibacterial and anti-inflammatory properties. Its primary clinical applications include:

1. Onychomycosis (Fungal Nail Infections): This is one of its most prominent uses. A specialized formulation, Ciclopirox Nail Lacquer (8%), is designed specifically to penetrate the nail plate and treat infections affecting the fingernails and toenails.

2. Superficial Skin Mycoses: It is highly effective in treating conditions like:

   • Tinea pedis (Athlete's foot)

   • Tinea corporis (Ringworm)

   • Tinea cruris (Jock itch)

   • Tinea (Pityriasis) versicolor

3. Cutaneous Candidiasis: It treats skin infections caused by Candida species.

4. Seborrheic Dermatitis: Ciclopirox is used in shampoos (1% - 1.5%) to treat dandruff and seborrheic dermatitis of the scalp, targeting the yeast Malassezia furfur.

5. Dermatological Preparations: It is incorporated into creams, gels, solutions, and powders (typically at concentrations of 0.5% - 1%) for general antifungal skin care.

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How Long Does Ciclopirox Take to Work?

The onset of action is rapid, but visible clinical improvement requires consistent application over time due to the nature of fungal infections.