Hand drawn science beautiful vintage lab icons sketch set . Vector illustration. Back to School. Doodle, equipment. Line art aged paper. Biology, geology, alchemy, chemistry, magic. Tattoo elements.
Serotonin dopamine compass
Colourful Solar System Temporary Tattoo Set of by TattooWhatever …
Oxytocin tattoo, the love hormone
New solar system tattoo!
Serotonin and dopamine
Serotonin molecule tattoo, it's the chemical that produces happiness reminding me that I literally create my own happiness and nobody else does More
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