MURCHISON-HUME | Superlative Hand SoapThis premium, natural hand soap lives up to its name. Enriched with plant extracts and glycerin, this gentle formula is designed to clean hands without drying or irritating even the most sensitive skin. (The Iconic) Superlative Hand Soap features non toxic ingredients and plant based formulas. All Murchison Hume products are free from SLS (Sodium Lauryl Sulfates), parabens, ammonia, bleach, and other harsh chemicals, so you can buy with confidence.