To be fair the water is really hard in my area so that could have something to do with it.
Also, is it weird that my hair actually seems nicer the days that I only rinse with water and don't actually use shampoo?
very hard water leaves calcium and other deposits. very hard water can destroy your plumbing even. often an inline filter is a far better option then a water softener. a filter where the water enters the house will save all the plumbing and improve the water for drinking too. but filters have to be replaced from time to time