SEA HAIR

Dreads, fros, bobs, buzzes, mullets, hawks, beehives. Just add ocean.

Image sources, top to bottom:

1. Credit: Wikiwatcher1 at Wikimedia Commons. 
2. Credit: Velela at Wikimedia Commons. 
3. Credit: JimChampion via Wikimedia Commons. 
4. Credit: Anne Burgess at Wikimedia Commons. 
5. Credit: Griensteidl via Wikimedia Commons. 
6. Credit: Bjørn Christian Tørrissen at Wikimedia Commons. 
7. Credit: Luis Miguel Bugallo Sánchez via Wikimedia Commons. 
8. Credit: Thomas Tolkien via Wikimedia Commons. 
9. Credit: F Lamiot via Wikimedia Commons. 
10. Via john.keyes.ie. 
11. Via the National Education Network Gallery.  
12. Via. 
13. Credit: Tom Corser www.tomcorser.com, via Wikimedia Commons. 
14. Via. 
15. Credit: Dozens at en.wikipedia.