Oily skin is typified by shininess, blemishes and pimples. The Romans disliked wrinkles, freckles, sunspots, skin flakes and blemishes. This concealer works best on blemishes and small areas of discoloration. These activities are usually to get rid of unwanted blemishes or marks on the skin. A pure, natural face, free from blemishes, freckles, or marks was considered beautiful. Hadrian's beard may also have served to conceal his natural facial blemishes. Periorbital dark circles are dark blemishes around the eyes. In addition, it is also very handy for fixing minor blemishes or damages to walls. Make-up was again applied to "enhance its appearance" and to obscure blemishes. Criteria for the specifications include sugar content, firmness, blemishes and colour. A special hand-held optical microscope is used to check for dirt or blemishes. The rough bark is grey-brown, and marked with various blemishes. The light-green surface blemishes turn orange when the fruit is at its peak ripeness. The bark must be free of knots and other blemishes. Sada's mother, Katsu Abe, likewise had no known legal or moral blemishes on her record.