Are Body Scrubs Effective for Smoother, Healthier Skin? The biggest organ in the body, the skin regenerates itself continuously by producing new cells and losing old ones. But dead skin cells can build up on the skin's surface, making it harsh, lifeless, and less glowing. Body cleanses are among the most tried-and-true methods of removing this accumulation. Body scrubs, which range from salt and sugar scrubs to mineral and herbal mixes, are intended...