Stop the Drag: The Shocking Science of Razor Lifespan, Hygiene, and Why You Must Change Your Blade After 7 Shaves

an in-depth guide on when and why to replace razor blades to ensure a comfortable and healthy shaving experience. It emphasizes that razors should generally be changed every 5 to 10 shaves, or sooner if signs of dullness—such as pulling, roughness, or skin irritation—appear. The text explains that failing to replace blades in a timely manner increases the risk of bacteria buildup, irritation, and potential infection, recommending proper maintenance like rinsing and dry storage to extend blade life. Additionally, it advises using separate razors for facial and body hair to prevent bacterial spread and suggests using high ...