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Scalp, Hair and Nails

Picture of Discoloration of Nail Plates

Picture of Discoloration of Nail Plates

The nails are susceptible to discoloration by a variety of agents. Potassium permanganate is known to stain nails a brownish-purple color. Silver nitrate will turn the nails black. The pictured stains are due to resorcinol. Nail stains may not look very nice, but they are not dangerous.

Image Source: Color Atlas of Pediatric Dermatology Samuel Weinberg, Neil S. Prose, Leonard Kristal Copyright 2008, 1998, 1990, 1975, by the McGraw-Hill Companies, Inc. All rights reserved.

Text Reference: "Discoloration of the Nails: Concomitant Use of Nail Lacquer with Resorcinol or Resorcinol Monoacetate (Euresol) as a Cause." AMA Archives of Dermatology.