A Washington State University researcher says attractive businesswomen are considered less trustworthy, less truthful and more worthy of being fired than less attractive women. This "femme fatale effect," as she and a University of Colorado colleague call it, goes beyond a commonly accepted explanation that attractive women simply aren't seen as fitting in traditionally masculine roles. Rather, the effect taps into more primal feelings of sexual insecurity, jealousy and fear among both men and women.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/attractive-businesswomen-viewed-as-less-trustworthy-femmes-fatales