Chemical structure tattoo ideas

42 photos and flash · 74% Fine line, 10% Lettering · Forearm most common

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Black line tattoo of the serotonin molecule on the upper chest, with HO, NH2 and NH labels and a blue-toned NH2 group.
Serotonin molecule on chest
Fine line serotonin molecule tattoo on the upper chest, glowing blue under ultraviolet light.
Serotonin molecule tattoo on chest
Black fine line tattoos of chemical molecule structures across both shoulders and upper chest of a person whose face is not shown.
Molecular structures across both shoulders