Hot Skin Care Deal for April: Lexie's of Louisville's MSM Shea Butter Pain Free Cream and it's on SALE for May for ONLY $11.20! Check it out online: Lexie's of Louisville's MSM Shea Butter Pain Free Cream. MSM is an all-natural source of MSM derived only from pine trees. MSM serves as an important source of bio-available dietary sulfur, an element that plays a critical role in maintaining the integrity and elasticity of connective and other tissues. It is an important component of proteins found throughout the body, such as in hair, nails, skin and tendons. AND, ours is BY FAR the BEST! Another Best Seller!