It's literally called aesthetics, the philosophical approach is the original meaning of the word - https://en.wikipedia.org/wiki/Aesthetics https://en.wikipedia

It's literally called aesthetics, the philosophical approach is the original meaning of the word - https://en.wikipedia.org/wiki/Aesthetics https://en.wikipedia.org/wiki/Aesthetics Properly, focusing on aesthetics as an ethic would be practicing the philosophy of aestheticism - https://en.wikipedia.org/wiki/Aestheticism https://en.wikipedia.org/wiki/Aestheticism