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September 1963

Reactions to Light in Yellow Tattoos From Cadmium Sulfide

Arch Dermatol. 1963;88(3):267-271. doi:10.1001/archderm.1963.01590210025003

Of 24 patients with yellow tattoos, 18 observed a swelling reaction in them when they were exposed to sunlight.

Four of these patients also observed a similar type of reaction in the red tattoos.

Tattoos done experimentally with cadmium sulfide were shown to give a swelling reaction when exposed to the wavelengths 3,800, 4,000, and 4,500 Angstroms (A).

Photopatch testing with cadmium sulfide was negative.

Cadmium sulfide is a compound with marked photoconducting properties. The swelling reaction provoked by light in tattoos of cadmium sulfide seems to be phototoxic in nature.