Sal X Tx - 2% Salicylic Acid $46.00 - 4oz. bottle Xfoliate & Enlighten - Fruit Acid Gel 7.5% with Kojic Acid $59.00 - 4oz. bottle Xfoliate & Enlighten - Fruit Acid Gel 15% with Kojic Acid $79.00 - 4oz. bottle Clear X - BHA Lotion $48.00 - 1oz. bottle Lactic-Xfoliator - Lactic Acid 10% $53.00 - 4 oz. bottle