By your reasoning tho it's impossible for anybody to WANT anything superficial. Nice homes, cars, clothes, etc. A lot of women find empowerment in being beautiful/desired/the way they look. If you allow for a woman to have the full range from agency of self you have to allow for the option that she will choose the most vain description of self, and that's her right. None of us technically NEED a majority of the things we consume, but we still indulge becasue it makes us feel better. That includes modifying the way we look