Diffused light in product photography refers to a type of lighting that is even and soft, lacking harsh shadows. This type of lighting helps to reduce glare, highlights details, and creates a flattering look on products by providing a gentle, uniform illumination. Diffused light can be achieved using tools like softboxes, umbrellas, or by shooting in naturally overcast conditions. It is commonly used in product photography to enhance textures, colors, and shapes without distracting shadows.