Skin lightening face cream are designed to lighten skin color. They work by decreasing the amount of melanin, which is a pigment produced by skin cells and determines how light or dark our skin appears. These products can be used as spot treatment or for a lighter complexion overall. However,reasons behind dark spots or an uneven skin tone. Aging and sun damage can leave dark spots on the face. Melasma and post-inflammatory hyperpigmentation (PIH) are both conditions that cause darkening over areas of the body that are exposed to the sun more often, such as the forehead and cheeks. PIH leads to a darker complexion in areas that were inflamed because of trauma, which can include scarring or severe acne that leaves dark spots after it resolves.