Riehl melanosis

Riehl mel·a·no·sis

(rēl),
a brown pigmentary condition of the exposed portions of the skin of the neck and face with melanin pigment in dermal macrophages, thought to result from photodermatitis due to materials, such as cosmetic ingredients, or oils encountered in various occupations.
Farlex Partner Medical Dictionary © Farlex 2012

Riehl mel·a·no·sis

(rēl mel'ă-nō'sis)
A brown pigmentary condition of the exposed portions of the skin of the neck and face; thought to result from photodermatitis due to materials, such as cosmetic ingredients, or oils encountered in various occupations.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Riehl,

Gustav, Austrian dermatologist, 1855-1943.
Riehl melanosis - a brown pigmentary condition of the exposed portions of the skin of the neck and face. Synonym(s): Riehl syndrome
Riehl syndrome - Synonym(s): Riehl melanosis
Medical Eponyms © Farlex 2012
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Riehl melanosis is a nonpruritic pigmentary dermatosis affecting the face.