There are a few things you can do to correct skin color in Photoshop. The first is to use the Hue/Saturation tool. This tool allows you to change the color of your skin by adjusting the hue and saturation of your colors. The second thing you can do is use the Color Balance tool. This tool allows you to adjust the color of your skin by adjusting the lightness and darkness of your colors. The last thing you can do is use the Levels tool. This tool allows you to adjust how bright or dark your skin is by adjusting its levels.