MSM (Methylsulphonylmethane) is a natural form of organic sulfur found in all living organisms and is an indispensable nutrient.&ampnbsp;NOW&ampreg; MSM is manufactured and tested to contain the highest purity MSM available.&ampnbsp;Liposome technology is a superior method for topical penetration and absorption of active ingredients. NOW&ampreg; MSM Liposome Lotion utilizes the finest liposome components without added synthetic preservatives.