Formula 100 conforms to european recommendationsformula conforms 100 to european recommendations for protection against the harmful effects of uva and uvb raysconvenient on the go size sun protection whenever you need itwith a patented photostable filtration system that includes mexoryl sx it protects against uva and uvb rays protects against sun induced skin damage and the premature ageing effects of the suns harmful raysspf sun protection factor