DR TIM EVANS / SCIENCE PHOTO LIBRARY DR TIM EVANS / SCIENCE PHOTO LIBRARY
Sunscreen chemical. Computer graphic of a molecule of the sunscreen chemical 2-ethylhexyl trans-4- methoxycinnamate (C18.H26.O3). The atoms (spheres) of the molecule are colour-coded: carbon (purple), hydrogen (white) and oxygen (red). The conjugation (regular spacing of double bonds) found in this molecule means it is good at absorbing part of the damaging ultraviolet (UV) radiation in sunlight.
Model release not required. Property release not required.