Often referred to by its trade name, Parsol 1789, butyl
methoxydibenzoylmethane or Avobenzone, provides superior protection through a
large portion UVA range including UVA I. UVA
rays, which contribute to tanning, are most associated with aging the skin.
Exposure can promote wrinkling, age spots and loss of elasticity.
This is the structure of avobenzone:
Click here for the photochemistry of sunscreens.