Blue Lizard Australian Sunscreen SensitiveSPF 30+ is a broad spectrum sun block that is extremely water resistant. Blue Lizard utilizes transparent Zinc Oxide along with Titanium Dioxie to provide broad spectrum protection from both UVA and UVB rays. Blue Lizard Sensitive is Chemical and Fragrance FREE. The packaging is unique as it provides a UV indicator for consumers to know when they need to be wearing sunscreen. The bottle turns BLUE when exposed to UV rays.