She’s talking about her arm pit hair. Right?
Original Vintage Art & Text

Art by Bill Ward from the story “I Danced with HeartbreaK” in Diary Loves #9, April 1951. Published by Quality Comics.
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↓ Transcript
DJP.LK139
WOMAN: Seeing you all naked and sweaty…
WOMAN: ...makes my hair curl.
WOMAN: All my hair.
WOMAN: Wanna see?
WOMAN: Seeing you all naked and sweaty…
WOMAN: ...makes my hair curl.
WOMAN: All my hair.
WOMAN: Wanna see?
Boy, about time. Wasn’t sure John was ever going to put me up.
Guess she’s not shaved, but hopefully trimmed.
In 1951??? Probably need some hedge clippers.
Yeah, you’re right. On the other hand, it’s 1951: I can just order her to shave?