• Sixty patients with moderate to severe xerosis participated in a 21-day, randomized, double-blind, contralateral study for efficacy of a specially neutralized 12% lactate lotion compared with a 5% lactic acid lotion and a nonlactated emollient lotion. The severity of xerosis was evaluated on days 0, 7, 14, and 21 during treatment and on days 28 and 35 one and two weeks after treatment was discontinued. All three preparations significantly reduced the severity scores of xerosis. During the "regression" period after treatment was discontinued, patients receiving 12% lactate lotion, compared with those treated with nonlactated emollient lotion, had had significantly greater reductions in the severity scores of xerosis for the lateral calf area at days 28 and 35 and for total severity scores (combined mean differences for lateral, medial, and pretibial areas) at day 35. Compared with 5% lactic acid lotion, the 12% lactate lotion provided significantly greater reductions for total severity scores at days 28 and 35.
(Arch Dermatol 1983;119:27-30)
Dahl MV, Dahl AC. 12% Lactate Lotion for the Treatment of Xerosis: A Double-blind Clinical Evaluation. Arch Dermatol. 1983;119(1):27–30. doi:10.1001/archderm.1983.01650250031011
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