Monobenzone, Superfade, vitiligo and confetti-like depigmentation.

Area of Science:

• Dermatology
• Toxicology

Background:

• Superfade is a topical product containing 1.5% monobenzyl ether of hydroquinone (monobenzone).
• Monobenzone is known for its depigmenting properties, used to treat hyperpigmentation.

Observation:

• Three patients developed extensive cutaneous depigmentation after applying Superfade.
• Depigmentation was observed on the hands and spread to the arms in a confetti-like pattern.
• Distant depigmentation occurred in two of the three cases.

Findings:

• The application of Superfade led to significant and widespread loss of skin pigmentation.
• Monobenzyl ether of hydroquinone (monobenzone) in Superfade is implicated as the causative agent.
• The depigmentation exhibited both localized and distant spread patterns.

Implications:

• This highlights potential risks associated with over-the-counter depigmenting agents.
• Physicians should be aware of monobenzone's potential for causing extensive and spreading depigmentation.
• Further investigation into the safety and application guidelines for monobenzone-containing products is warranted.