Is Sodium Lauryl Sulfoacetate (SLSA) a Sulfate? Safety, Origins & The Sulfate Myth Explained Many formulators and consumers searching for Sodium Lauryl Sulfoacetate (SLSA) often ask a very common question: Is SLSA a sulfate? And is it safe for sensitive skin? The short answer is: 👉 No, SLSA is NOT a sulfate. Despite its similar-sounding name, Sodium Lauryl Sulfoacetate belongs …