For centuries, colloidal oatmeal has been a salve for itchy, dry, or irritated skin. This natural ingredient is readily found in cosmetic products like moisturizers, shampoos, and shaving creams.

Over the years you’ve probably heard of oatmeal baths and have noticed colloidal oatmeal as an ingredient in personal care products, including creams, lotions, shampoos, shaving gels, and body wash.

Silver, however, is a notable exception. A growing body of scientific research suggests that bygone civilizations, from the Han Dynasty to Ancient Greece, may have been onto something when they used ...

Colloidal silver is a suspension of tiny particles of silver in a liquid, or sometimes gel. The particles are so small that they can’t be filtered out of the solution; these nanoparticles range from ...