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To the Editor.—
I have become aware in the past year of a new and apparently highly potent source of contact allergy that threatens many of those individuals caught up in the current jogging craze. In a relatively limited consultation practice at the University of Oregon, Health Sciences Center, Portland, I have identified three individuals who are highly allergic to an insole component prepared by Spenco Medical Corporation and used in Nike athletic shoes. This component is easily identified by its bright blue nylon covering that overlies a black neoprene foam pad and covers the entire inner sole area of the shoes. We have traced this allergy to the adhesive that binds the nylon to the neoprene. Patients show no reaction to the neoprene itself, the nylon, the blue dye, nor to any of a complete series of chemicals that have been previously incriminated in shoe contact allergy.Patients come
Hanifen JM. Nike Training Shoe Dermatitis. Arch Dermatol. 1978;114(2):289. doi:10.1001/archderm.1978.01640140097033
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