What is Leepol® HCO? Leepol® HCO is a specially engineered ethoxylated hydrogenated castor oil (PEG-40 / PEG-60) that acts as both a solubilizer and an emulsifier. By transforming oil-based ingredients into stable water-based systems, it ensures uniform blends, smooth textures, and long-term stability. Its functionality extends beyond simple mixing, as it also contributes moisturizing, film-forming, and dissolution-enhancing properties to formulations. Why PEG-40 Quality Matt