1. An image capturing apparatus comprising: an image capturing unit configured to capture an object and generate an image; a display unit configured to display the image; a signal processing unit configured to perform signal processing for the image; and an operation unit configured to accept an input from a user, wherein said display unit displays the image with a vectorscope superimposed thereon, the vectorscope indicating a distribution of color components included in the image based on a hue and a color density and an index for specifying a range of a skin color region in the image, a display position of the index on the vectorscope is specified by a value representing the hue and a value representing the color density, and a size of the index is specified by a value representing the range of the skin color region, the value representing the hue, the value representing the color density, and the value representing the range of the skin color region are set based on the input from the user through said operation unit, and said signal processing unit performs processing of decreasing a detail level of an image signal of the image having a color component included in the index.