Mirfulan (Zinc Oxide)

Mirfulan, a topical sunscreen, protects the skin from ultraviolet radiation.

• Sun exposure: prevents sunburn by reflecting UV radiation.
• UV‑induced erythema: reduces the risk of redness and inflammation after sun exposure.
• Photosensitivity disorders: helps manage conditions where the skin is overly sensitive to sunlight.

• Zinc oxide functions as a physical UV filter that sits on the skin surface and reflects and scatters both UVA and UVB wavelengths. By forming a protective barrier, it prevents ultraviolet photons from penetrating the epidermis, thereby reducing DNA damage, erythema, and other phototoxic effects.

Adverse reactions are generally mild and limited to the site of application.

Common Side Effects

• Mild skin irritation: transient redness or tingling.
• Itching: occasional pruritus at the application site.
• Dryness: temporary loss of skin moisture.
• Contact dermatitis: localized allergic response.
• Stinging: brief discomfort when applied to sensitive areas.
• Peeling: minor flaking of the outer skin layer.

Serious or Rare Side Effects

• Severe allergic reaction: swelling, hives, or difficulty breathing.
• Blistering: formation of fluid‑filled lesions.
• Extensive rash: widespread dermatitis beyond the application area.
• Ocular injury: accidental contact with eyes causing irritation.
• Systemic toxicity: extremely rare, associated with large area application over broken skin.

When using Mirfulan, consider the following safety measures.

• Avoid application on broken or inflamed skin: may increase irritation.
• Keep away from eyes: rinse thoroughly with water if contact occurs.
• Reapply after swimming, sweating, or towel drying: ensures continued protection.
• Use adequate amount: apply a thin, even layer covering all exposed areas.
• Do not use on infants under 6 months: safety not established for this age group.
• Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Zinc oxide sunscreen has limited systemic interactions, but topical co‑applications may affect tolerance.

Major Interactions (Avoid)

• Concurrent use of potent topical steroids: may mask irritation signs.
• Application with chemical sunscreens containing oxybenzone: can increase risk of skin sensitivity.

Moderate Interactions (Monitor Closely)

• Use with retinoids or exfoliating agents: may heighten skin irritation.
• Co‑application with topical antibiotics: monitor for increased dermatitis.
• Combination with other mineral sunscreens: assess for excessive whitening or texture changes.