Conversation so far:
What was Girl power?
phrase "girl power" put a name to a social phenomenon, but the slogan was met with mixed reactions.
What were the reactions it was met with?
message of empowerment appealed to young girls, adolescents and adult women, and it emphasised the importance of strong and loyal friendship among females.
Did anyone dislike the message?
some critics dismissed it as no more than a shallow marketing tactic, while others took issue with the emphasis on physical appearance.

Question: What was the appearance issue?
Self-contained rewrite: What was the physical appearance issue?