Most Helpful Girl
It depends what kind of women you are dating.
If you like women who are quite on the looks (less about personality) - I can imagine there will be women who take that as criterion.
I did have one boyfriend who was getting bald, and I actually didn't mind, because it was for me about his personality, AND UTTER IMPORTANT - if he is clean and shaven for the rest.
If he takes care of his body and appearance, and dress up groomed, the bald thing is just a minor thing.
My answer will be always: how you look weights less then how you behave, and your personality.
Your attitude, personality is the thing which gravitates people (not only women) to you.