I did a lot of research on reef safe sunscreen and tried TropicSport on my honeymoon in Palau diving which was a risk, but it was great! I’m pale and didn’t burn at all after hours in the water and sun. Yes, you’re a little white at first, but it goes away quickly and rubs in easily - it’s just a little thicker than typical sunscreen. One perk, underwater you can see that it’s still on you so you know when to reapply. Use as directed and you’ll be protected.