The subject of a Kryptonian's hair growth and vulnerability under a yellow sun has been the topic of some debate throughout the Superman mythos.
Superman's Pal Jimmy Olsen #23 (1957)
Action Comics #251
(1959)
(1959)
Superman's Girl Friend Lois Lane #6 (1959)
Superman #139
(1960)
(1960)
The Man of Steel #4
(1986)
(1986)
Superman: Exile
(1989)
(1989)
Superman: The Man of Steel #67
(1997)
(1997)
Injustice: Gods Among Us #6
2012
2012
In other media
Superman III
(1983)
(1983)
Superman: The Animated Series "Mxyzpixilated"
(1997)
(1997)
Justice League "Hereafter"
(2003)
(2003)
Smallville "Odyssey"
(2008)
(2008)
Man of Steel
(2013)
(2013)