We all have a stock image in our heads of a gentleman and his traditional grooming routine : the wet shave , the swaddling hot towels , the stinging splash of aftershave .
Nickelodeon is part of the mtv networks where even the unwritten code of dress and grooming and behavior has one non-negotiable axiom : no matter what kind of work you do , it is essential to come across as youthful , or at least not too square .
Vivian diller , a new york-based psychologist and co-author of " face it : what women really feel as their looks change , " divides perception of beauty into three things : contributing factors from genetics , grooming and how people reacted to your appearance in early life .