Cosmetics and Skin Care Products

Patch testing in allergic contact dermatitis: is it useful to perform the cosmetic series in addition to the European standard series?

“…The age, sex, localization of the contact dermatitis and the cosmetic‐related products used if any were recorded. The patients with a suspicion of ACD caused by cosmetics were determined by the disease history, and clinical examination based on a standard textbook 12 …”

Contact sensitization to cyanoacrylate adhesive as a cause of severe onychodystrophy

“…The nail beds themselves usually remain unaffected. The allergen in naillacquer dermatitis is usually toluenesulfonamide formaldehyde resin, [4][5][6] with a prevalence as high as 6.6% of women with suspected contact dermatitis. 7 The association can be confirmed with patch testing and by chemical analysis of the polish.…”

Allergic contact dermatitis from trideceth‐2‐carboxamide monoethanolamine (MEA) in a hair dye

“…Contact dermatitis from hair dyes is frequently due to PPD or related aminobenzene compounds and from hair bleaches to ammonium salts (1). Contact dermatitis from other intermediary components of hair dye has previously been reported (2).…”