<unk>  (also known as "Ashy dermatosis," and  "Dermatosis cinecienta") is a skin condition with age of onset almost always before 40 years old, characterized by skin lesions that are usually symmetrical and generalized.:224
Erythema dyschromicum perstans
Erythema elevatum diutinum
Erythema toxicum
Dermatosis papulosa nigra
Erythromelanosis follicularis faciei et colli
Nevus anemicus
Erythema annulare centrifugum
Ichthyosis bullosa of Siemens