unclipped
bald
bare
blank
guileless
naked
nude
unadorned
unadulterated
unaffected
unarrayed
unassumed
unassuming
unbeguileful
unbeguiling
uncalculating
uncomplicated
undeceitful
undeceiving
undeceptive
undecked
undecorated
undesigning
undisguised
undisguising
undissembling
undissimulated
undissimulating
undressed
unembellished
unfeigned
unfeigning
unflattering
unfurbished
ungarnished
unornamented
unpretended
unpretending
unsophisticated
unvarnished
brushy
close-cropped
close-trimmed
gray-streaked
ingrown
luxuriant
off-white
pointy
russet
salt-and-pepper
scraggly
scrubby
sparse
stubbly
sun-bleached
uncared-for
unkempt
unpruned
untended
well-trimmed