About a year ago I started using apple cider vinegar to condition my hair. It worked so well that I started adding chamomile to the vinegar. In the past couple months I have gone one step further and started making kombucha vinegar (by simply allowing some kombucha to sour to vinegar) and then infusing it with chamomile flowers and using this for conditioner. It has worked remarkably well.
My original post, Baking Soda Shampoo, outlines the various things I used for shampoo, like eggs and marshmallow, and finally settled on simply using baking soda. That post also explains how I made my apple cider vinegar hair conditioner.