17% lactic acid, Racemic, USP; 17% salicylic acid, USP; 8% citric acid, USP in ethanol. Citric acid replaces resorcinol in this milder alternative to the classical Jessner's formula. Co-formulated by Delasco's founder, Dr. James Dolezal. Approximate pH is 1.7. Available in 1 oz (30 ml), 2 oz (60 ml), 4 oz (120 ml) and 16 oz (480 ml) glass bottles.