From an article prior to the 2006 NCAA Championships:

… glitter to coordinating hair ribbons, Gymnasts have this routine down
Women’s gymnastics is one of the few sports where makeup in competition is encouraged, and coordinating hair ribbons with leotards is common.
Gymnasts are also some of the few people who can still get away with wearing scrunchies since that trend died in the mid-1990s.
…
If that article appeals, check the discussion here: competition hair/make-up/glitter/hair spray styles – Gym Chat
