👉 Whitening is a process that involves altering the color of an object or substance to make it appear more light and white. This can be done through various methods, such as bleaching, treating with dyes, or using a specific type of light source or equipment. Some common whitening techniques include: 1. Bleaching: This involves applying a chemical solution that reacts with the color in an object or substance to make it appear more white. Common substances used for this process are chlorine bleach and