"Exclude blurry, unclear, and indistinct facial features."
"Avoid unrealistic and anatomically incorrect proportions."
"Prevent implausible and distorted facial expressions."
"Eliminate unnatural and unappealing body configurations."
"Eschew inharmonious and inconsistent body part relationships."
"Prohibit grotesque, unattractive, and unpleasant facial or bodily aesthetics."
"Disallow malformed, misshapen, and irregular hand or finger structures."
"Forbid aberrant, anomalous, and non-representative teeth or mouth formations."
"Inhibit incongruous, unsightly, and disfigured head or facial contours."
"Counteract any production of peculiar, bizarre, or unseemly facial or body features."
Mandate that the image exhibits no imperfections or distortions in any facial or body features, including hands, faces, hair, and bodily proportions. 
Pixels, blurry, pixelated, smudges