1. Whitening facial cleanser can help brighten skin tone to a certain extent, and its whitening ingredients can inhibit melanin production or promote the metabolism of already generated melanin.
However, the whitening effect of facial cleansers is relatively mild and limited, as they have a short residence time on the skin and their main function is cleansing rather than deep whitening.
To achieve significant whitening effects, it is usually necessary to combine other whitening products and sun protection measures, and maintain good lifestyle habits such as adequate sleep and balanced diet. We cannot rely solely on whitening facial cleansers to achieve the goal of whitening.