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September 1966

Pigmentation in Response to Cold Quartz Light

Author Affiliations


From the University of Southern California School of Medicine, Section of Dermatology, Los Angeles.

Arch Dermatol. 1966;94(3):263-264. doi:10.1001/archderm.1966.01600270013002

We have confirmed that short wave length ultraviolet irradiation, 2,500 Angstrom (A) to 2,600 A, from a low pressure mercury vapor source (cold-quartz lamp) elicits persistent tanning in the skin of normal Caucasians, despite contrary statements in standard dermatologic texts.