serotonin tattoo 02
from left to right: serotonin (a happiness hormone) and dopamine (a love hormone)
My serotonin and dopamine tattoo from Artistic Skin Design East Indianapolis. Happiness!
Forget me nots w/ chemical compound for Seratonin. Different placement tho
This photo was uploaded by Isildilme.
Cute Watercolor Bird Tattoo
Cute idea for tattooing kids names
Serotonin and semi colon tattoo for depression and suicidal awareness on neck
Perfect for my forearm.