Surf Mud is awesome - I have been using it since a skin cancer scare a few years ago and advice to use a zink based product - The Ocean Addicts just stays on while i am doing my lifesaving volunteering (note takes a while to rub it to clear) - never been burn't when using this and the brown nose zink !
Best surf sunscreen. I’m almost 50. I surf almost every day. People tell me I have beautiful skin. This stuff stays on and doesn’t make the board slippery. I keep several back up tubes in my cabinet so I never run out.