Ice Cube -- Good Genes or Good Docs!?

Ice Cube's good looks are frozen in time.

Here’s a 28-year-old version of the NWA rapper rockin' red at the Soul Train Awards in 1998 (left) and 18 years later ... the 46-year-old Coachella performer sportin' his signature goatee at a movie premiere last month (right).

“Yayyyyy-Yaaaay.”

The question is...