Muscle it's a sponge laughter when a sponge is dry and it get wet it expands okay so basically that's all is anybody need to know Primalx smell another own component just mentioned it and I t r IC new trick ox Primalx oxide that's X ID e ok so can't say you don't know you can look that up and see how great and powerful it is cuz i don't know like every time I put out stuff all of a sudden people want to go or deep into detail