Oral zinc sulphate therapy for acne vulgaris.
Weismann K, Wadskov S, Sondergaard J·Acta dermato-venereologica
A double-blind controlled clinical trial was performed to evaluate the effect of oral zinc sulphate, 0.6 g daily, on acne vulgaris. Twenty patients received zinc sulphate tablets and 19 were given placebo tablets. Thirteen of the zinc group and 12 of the placebo group received their medication throughout a 12-week peri…