OP is aware of his attractiveness to males (in principle it could apply also if OP was a male, I honestly think the gender tag is misplaced).
Let's stretch the situation, drawing the two end members:
- Male advisors and professors are intimidated by beauty;
- Male advisors and professors are aroused by beauty;
Regarding 2, there is not much to do, your beauty will only trigger their looking for a romantic liaison at the very onset of your working relationship with them. They would look for a romantic liaison even if you would not be so beautiful, because they would find you intellectual stimulant, at a later point of your working relationship. So your beauty is a good way to filter them out. You do not need to hide it.
Regarding 1., I feel that the relation that builds up when you meet these persons is not so linear as you present it: you are aware of your beauty, you are somehow trying to hide it (I do not mean you are wearing a burka, I am just trying to depict a "conservative dress") ... and that unconscious message you have in yourself is passing to the professor, who is a human being and apart from your CV is evaluating you as a person and the feeling he (or she) would got is that you are uncomfortable with a part of you. To say it bold&plain, every man has a dick, not every man wants to use his dick with you. They would recognize you are beauty, it would be just one of the many physical attributes, you are smart enough to realize when someone will try to hit on you, get over your beauty, do not hide and do not show it, focus on your brain.
I am not very helpful, I know, I am all against the body positivity messages (fat people are beauty and can do anything!) as well as to offensive messages (fat people are ugly and can do nothing!) and I am very lucky that I manage to say the balanced (you are fat, or thin, or normal-build, it does not matter, you can do what you can do, which is extreme rare to coincide with what you want to do).
Disclaimer: mid-50s, western country, accepted myself, ready to accept positive discrimination against me and against my (2) sons, to fix the crap me, my "boomer" peers left, without forgetting that past choice are not set in stone, they are perpetuated with every-day decisions...