Also note, there is no significant difference between using sea salt or table salt in a product like this. I've seen people saying that sea salt contains fewer chemicals than table salt. It doesn't. (http://www.rudyv.be/Aquarium/sels.pdf)
I'm writing this post in response to the many many salt spray recipes I'm seeing lately. Always consider the reliability and level of expertise of the recipe and tutorial writer before trying something you find online.
Related sections: Hair care - http://swiftcraftymonkey.blogspot.ca/p/hair-care.html
Related post: Quick summary about damaged hair - http://swiftcraftymonkey.blogspot.ca/2010/05/chemistry-of-your-hair-quick-summary.html