The HYD Razor Shield is a smart and effective solution for extending the life of your razor blades. Designed to coat and protect the blade after each shave, it prevents rust, corrosion, and dulling — keeping your razors sharper for longer.Just a small amount applied to a dry blade after shaving creates a protective barrier that helps reduce the frequency of blade replacements. It's especially useful for those with sensitive skin, as sharper blades mean smoother shaves with less irritation.