- Comfortable shaving for up to 7-day beards - Avoids pulling and prevents irritation - Safety comb that separates hair to avoid pulling - 4 replacement 3-blade cartridges with protective bars for added protection - Moisturizing gel deposits that activate with water and hydrate with each stroke - Easy access to hard-to-reach areas like under the nose - Easy cleaning and rinsing of shaving residue - Packaging made with over 90% recycled paper - Compatible with all Hydro machines and refills