How is it possible that al pacino looks bad in Scarface but is good-looking in godfather?

Was there any make-up involved? Is it really just the hair?
How is it possible that al pacino looks bad in Scarface but is good-looking in godfather?
How is it possible that al pacino looks bad in Scarface but is good-looking in godfather?
How is it possible that al pacino looks bad in Scarface but is good-looking in godfather?
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