TEA-Lauryl Sulfate Worst Cleansing Agent No known benefits TEA-Lauryl Sulfate description Cleansing agent that’s potentially drying, particularly when it’s the primary cleansing ingredient where the concentration is likely to exceed 10.5%. This cleansing agent is used far less often than ammonium or sodium sulfates or their derivatives. TEA-lauryl sulfate may be plant-derived or synthetic. Related ingredients: Sodium Lauryl Sulfate Sulfates