There are 55 hairstyles in this category. They are labelled as yf in the game files, but apply to teenagers, young adults, adults and elders, except for Pigtails and BunsBack, which exclude elders.
GrannyBun is the only hairstyle that was added between the release of the CAS demo and the full game.
LongRocker
PonyTailBangs
PonyTailTight
AfroMedium
LongStraight
MediumStraightParted
PompadourSpikey
LongWavy
Bombshell
Bald
LongWavyShaved
ShortStraightPixie
ShortTextured
ShortWedge
MedWavySweptSoft
ShortBob
CurlSide
LongWavyUpdoPrincess
MediumWavyBangs
LongStraightBangs
FrenchBraidBun
Pigtails
LongBraidedPulledBack
MedTexturedCurls
BunsBack
BraidFishtail
BraidFishtail_Color
LongWavyNoShaved
MedStraightEdgeAsym
GrannyBun
LongWavyOverRtShoulder
LongWavySubtlePart
LongWavyPoofPulledBack
PonyMedUnkeptBangs
LongWavyClassic
PigtailsLongWavyBangs
ShortBlowDry
PonyMidBraid
LongStyleBangsSwept
ShortShave
ShortSleek
PonytailLowParted
bunLargeHigh
PixieLong
UpdoBun
BraidWovenFlowers
PonytailStraightBangs
MedCurl
MohawkUpdo
TightCurls
HalfBun
AfroPuffs
TightCurls
Afro