There are a few comments to your question that already point out the biggest flaws in your question.
But let's try to be a bit more objective.
There are biological factors coming into play, such as choosing a mate to provide best for your offspring, but i consider these known / handled by other answers, so i will stick to societal factors here.
In most western countries, women tend to spend more on things that are directly linked to beauty.
The most obvious and quantifiable factor is your local hair stylist: where i live, women pay more than double for a haircut compared to men's prices.
Then there is the cliché of shoes, which seems fairly verifiable: women, for all i know, on average own a lot more shoes than men, choose clothing more for their looks than their practical value, and generally (again, on average) spend more time and money on making hings beautiful than men do.
There is a joke outlining this: "Looks are more important for women than brains are, because there are a lot fewer blind men than morons".
What it boils down to is that most western cultures stem from patriarchaic societies, and for most parts still are (although, fortunately, this changes, albeit slowly)
In turn, that means that successful men (as in rich, have a good standing in society, and whatnot) can choose women (to a degree), or, seen from the other angle, more women compete for those men.
In societies where men earn more than women, are more often employed and / or fill more of the roles in society that are deemed important, women "need" to fill in the roles the men can't or don't want to fill in, and thus want complemented. That, in turn, are features that are hard to transport into public life. Looks, on the other hand, are. So, in order to increase the chance of being noticed by a wealthy and important member of society (who is mostly male), looks are a airly simple and efficien way.
Imagine you can either try to project an image of being an interesting partner for conversation, caring, gentle, and a good cook, to projecting the image of being a desirable mating partner. Let's be honest: the latter is much, much easier. (Again, see the joke above)
So to turn this around, i.e. to have a society where men care more about their looks, and invest more into them, than women do, all you need is a matriarchal society.
If people commented more on a man's looks than his money/job/car/status object of choice, men would (on average) invest more on those traits that are noticed quickly and provide rewards from the surroundings.
As explained above, settings that favor women over men in society should encourage men to invest more in their (subjective) beauty.