* Historically Goth: Black nail polish has been a staple in goth subculture since its emergence in the late 1970s and early 1980s. It was (and is) often associated with a rejection of mainstream beauty standards and an embrace of darker, more unconventional aesthetics.
* Beyond Goth: Black nail polish is now mainstream. Its popularity has expanded far beyond the goth subculture and can be seen on people of all styles and backgrounds. This widespread adoption means that wearing black nail polish alone doesn't automatically signify that someone is goth.
* Goth Aesthetic as a Whole: Within the goth subculture, black nail polish is often part of a larger, more cohesive look that may include dark clothing, dramatic makeup, and specific hairstyles. It's the combination of these elements that creates a goth aesthetic.
* Personal Style: Ultimately, whether or not you consider black nail polish "goth" is a matter of personal choice. If you identify with the goth subculture and incorporate black nail polish into your style, then it can be a goth element for you. If you simply like the way it looks, that's perfectly valid too.
In conclusion: Black nail polish has goth origins, but its mainstream popularity means that it's no longer exclusively a goth symbol. It can be part of a goth look, but it's not inherently goth on its own.