How to Keep a Wig on While Swimming: Tips, Tools & Tutorial for Wig Wearers, Professional Mermaids and Cosplayers- How do you a keep a wig on your head when you’re swimming in the water? Professional Mermaids have discovered some tricks for keeping synthetic hair on your head while taking a swim. Here is how I keep my wig on when swimming underwater. You’ll find a detailed video tutorial on this blog post in addition to all of the materials you’ll need to fasten your beautiful mermaid hair to your head. After reading this, you’ll be 100% ready for you next big Cosplay Pool Party or Mermaiding Adventure. ♥