ttractive who are dominant, males rate females as attractive who are healthy, receptive at the optimal age of reproduction and who promise high quality offspring. I will put forward that it is mainly "gender identification": appearing as a "typical" male or a "typical" female in a certain environment will cause ratings as attractive. This means that sexually dimorphic traits are valued which signal youth. These traits then form the respective prototypes for the cognitive evaluation of attractiveness. In addition each theory of attractiveness has to take into account that a great deal of learning is involved. One of the conditions I posed at the beginning of this paper is the fact that "attractiveness" and "beauty" should be linked to reproductive success. Human beauty has three components. In order of importance, there's natural selection, which leads to the average face and the limited age rang. Then there's sexual selection, which leads men, at least, to be attracted to exaggerated feminine traits like the small lower jaw and the fuller lips. Finally, there's learning. It's a fine-tuning mechanism that allows you to become even adapted to your environment and culture. It's why one person can say "she is beautiful " and the other can say " she's not quite right for me."...