Here are some useful words for describing someone physically in Spanish, divided into categories.

CARA – THE FACE
alargada – elongated
redonda – round
ovalada – oval
ancha – broad
delgada – thin
fina – fine
maquillada – made-up

OREJAS – THE EARS
de soplillo – lop ear

OJOS – THE EYES
almendrados – hazel
oscuros – dark
claros – fair
azules – blue
verdes – green
castaños – brown
grises – gray
rasgados – almond-shaped
negros – black
saltones – bulging, protruding
hundidos – deep-set, hollow
ojeras – dark circles under the eyes
pestañas largas – long eyelashes

LABIOS – THE LIPS
gruesos – thick
finos – thin
carnosos – meaty

NARIZ – THE NOSE
respingona – turned-up
chata – snub
ancha – wide
larga – long
aguileña – aquiline

PELO – THE HAIR
liso – straight
ondulado – wavy
rizado – curly
largo – long
corto – short
teñido – colored, dyed
melena – long hair
trenza – braid
coleta – ponytail
moño – bun, chignon
rapado – close-shaven
calvo – bald
entradas – receding hairline
mechas – highlights
engominado – gelled
flequillo – bangs
moreno – dark
pelirrojo – red-haired
rubio – blond
castaño – brown
canoso – gray
blanco – white

OTROS DETALLES – OTHER DETAILS
pecas – freckles
lunar – mole
mancha – spot
grano – pimple
barba – beard
cicatriz – scar
espinilla – pimple
bigote – mustache
perilla – goatee
arrugas – wrinkles
patillas – side whiskers

Esto es todo por hoy. Nos vemos prontito.