Echo on the hard water fighting ingredients

I find starches in many of my favorite curl products. Would love to know what role they play.

Good natural ingredients to look for instead of cones, that can make your hair look good like cones (smooth, shiny, no frizz--like that) but don't dry it out or build up.
My blog -

Playing with my hair is a hobby. Fluffy, fine natural 4a. Goal= Healthy, beautiful hair that retains its length.
Hear that crash? It's me falling off the CG wagon.