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The comparative effectiveness of an abrasive cleaner and the same cleansing agent without the abrasive granules was evaluated using a bilateral paired comparison method in 44 patients with acne vulgaris. Lesion counts and an appraisal of the severity of disease were made every two weeks for a total of eight weeks. An equal reduction in both the number and severity of acne lesions was seen with each test product. Substantial differences between the adverse effects of these two products were not observed.

The clinical findings in three new cases of acquired progressive kinking of the hair, all in females, are reported, and a review of all previously reported cases is presented. Acquired progressive kinking of the hair is an acquired disorder of hair formation in which patches of hair become tightly curled and resemble pubic hair. It seems to be more common in males and is associated with darkening of the involved hair in about two thirds of the patients. The differential diagnosis includes inherited forms of kinky hair and kinky hair secondary to mechanical, chemical, or traumatic manipulation. Drugs are infrequently implicated in its causation.