Zinka Nosecoat Zinc Sunblock in Tan Colour The new Zinka Nosecoat Zinc Sunblock in Tan Colour has 25% Zinc Oxide, being one of the best original coloured nose coat sun BLOCKOUTS available. Visible on your skin, Zinka nose coat reflects sunlight, blocks out UVA & UVB rays and is water resistant. This zinc is ideal for when you are spending hours on the beach or in the water enjoying your activities without having to worry about the sun burning your skin. Being a zinc oxide, it stays on your skin longer and completely blocks out any UV rays ensuring you can enjoy your day without any worries about the harsh summer sun.