SnorkelSnot - Seal Your Mask. Not the Reef. 

SnorkelSnot is an all-natural, reef-safe dive mask sealant handcrafted in Hawai?i. It's designed to seal the gap between your dive mask and facial hair so you get a leak-free dive every time.

Instructor's Edition. The professional-grade tin for dive instructors, guides, and frequent underwater explorers.

Ingredients: coconut oil, honeycomb beeswax.