Because the nature of photography is such that a person's image is illuminated in varying degres of light and the image is captured on a two dimensional sheet. Without the aid of a makeup artist, subjects appear flat, shiny, and generally unappealing. Makeup is used to control the negative effects of harsh light reflecting from a shiny skin surface. A professional makeup artist will also use professional products and techniques to help minimize skin discoloration and blemishes, and ensure that your makeup lasts throughout your special day.