The latter could be a symptom of the former, but not necessarily. Besides, it's more likely something like this:
In our culture, women are encouraged to change the way they look in order to meet social expectations and to attract males. At the same time, males are expected or allowed to be interested in sex more publically than women. Add the two together, and you end up with a society where the female body - a commercialized version of the female body, anyway - is given more attention than its male counterpart.