Contact allergy to sulfonated castor oil.
D002368:Castor Oil / Q000009:adverse effects*; D003877:Dermatitis, Contact / Q000209:etiology*; D006203:Hair Preparations / Q000009:adverse effects*; D006801:Humans; D010328:Patch Tests; D013455:Sulfur / Q000009:adverse effects*
D006203:Hair Preparations; D013455:Sulfur; D002368:Castor Oil