I would say both, objective because beauty is what helps someone feel better about themselves and looks better. And it is subjective because beauty is different things to people, and people are attracted to different types of beauty.
Beauty is both subjective and objective. It is subjective in it that not everyone finds the same things attractive and that people have their own different opinions and preferences on what is beautiful. Beauty is also an objective, in it that some people are simply better looking than others.
Explanation:
This is personally just my opinion. Have a nice day!