Beautification

Lady Bird Johnson beautified the White House gardens and other gardens and parks. She also campaigned for a law called the Beautification Act of Nineteen Sixty-Five. That law resulted in more wildflowers and fewer big advertising signs along the nation's highways.

Source: tatoeba (12279486)

Near-synonym: prettification

Source: wiktionary

Thanks to the beautification efforts, the appearance of the highway has vastly improved.

Source: wiktionary

This trend, which he attributes to social media and describes as “beautification” rather than a desire to turn back the years, might involve a blepharoplasty or removing buccal fat (between the cheek and jaw bones.)

Source: wiktionary