MSM Rejuvenator contains a therapeutic blend that rejuvenates skins natural ability to protect itself against wrinkles and excessive dryness. It also provides prompt relief from irritation and damage caused by sun and wind. MSM is a form of sulfur, which is responsible for the flexible disulfide bonds between cells, including those that make up the skin. It blocks undesirable chemical and physical cross-linking or bonding of collagen which is associated with tough, aging skin. Consequently, MSM enhances tissue pliability and encourages repair of damaged skin.