Does SLSA Produce Foam? Yes. Sodium Lauryl Sulfoacetate, commonly known as SLSA, produces rich foam and is widely used as a foaming surfactant in personal care products. SLSA is especially popular in solid and powder-based formulations where visible foam and good cleansing performance are important. It is commonly used in: Shampoo bars Bath bombs Bubble bath powders Foaming bath salts …