£21.50
Sterling silver serotonin necklace. Serotonin molecule is a modern symbol of happiness. Serotonin regulates the...
£23.50
Sterling silver estrogen necklace. 100% sterling silver.Beautiful necklace representing the molecular structure of estrogen.The perfect...
£23.50
Sterling silver dopamine necklace. Dopamine is a neurotransmitter that helps control the brain's reward and...
£23.50
Sterling Silver Caffeine Necklace / Caffeine Molecule / Science Jewellery / Chemistry Jewellery / Caffeine...