02/2012 Update: This homemade shampoo dried my hair out a bit and it felt like it had a bit of build up. I have been using a new simpler recipe for the past six months and my hair still feels great.
10/2011 Update: I found my friend's homemade castile soap had too much lye and was burning holes in clothes. For now, I use store-bought castile soaps and let the laundry detergent and water mix well before adding clothing.
1 1/4 cup flour