Vegeta once stated that a pure blooded saiyan's hair doesn't change from the day they are born. Would a saiyan's hair grow back if they cut it off? - Quora
Vegeta and the 5 Stages of Grief. A deeper look into the Prince of All…, by Victor C
Vegeta once stated that a pure blooded saiyan's hair doesn't change from the day they are born. Would a saiyan's hair grow back if they cut it off? - Quora
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Vegeta, The Dragon ball fanon Wiki
anime production - Was Vegeta's design altered mid series? - Anime & Manga Stack Exchange
Vegeta said that a Saiyan's hair never grows. Then why is it that Goku can grow his hair using SSJ3? - Quora
Vegeta (Extended Universe), Dragon Ball SF Universe Wiki
Vegeta, Super Battle Saga Wiki
Vegeta once stated that a pure blooded saiyan's hair doesn't change from the day they are born. Would a saiyan's hair grow back if they cut it off? - Quora
Saiyan, Dragon Universe Wiki