The Remington RX7 Ultimate Head Shaver is a popular product for bald men. It features 5 cutting heads and can shave in less than 2 minutes on 2 days' growth. A handy pop-up trimmer enhances the grooming experience. While the specific ingredients or materials used in the shaver are not explicitly mentioned in the provided search results, the product is designed to provide a fast and effective shaving experience. For detailed information about the ingredients or materials, it is recommended to refer to the product manual or contact the manufacturer directly.