The "hair nude" is a curious Japanese-English phrase. It refers not just to naked flesh; it's naked flesh with genital hair.
What is "shocking" here is the display of pubic hair, the line by which art and entertainment is usually fettered in Japan. It is fine to have plenty of nudity in films and publications, but to avoid the century-old ambiguous obscenity laws, people censored or did not show actual pubic hair.
The hair nude set out to deliberately show this was something to be challenged, legally and artistically.
While the likes of Nobuyoshi Araki had already made erotic photography ...
