However, she does have a DIY conditioning treatment she uses: coconut oil or olive oil.
"I'll put one tablespoon on my thick hair for a few minutes before bed and rinse out. It will leave your hair oily if you use too much, so start with small quantities to find out how much works best for your hair type."
Read more: http://www.mnn.com/lifestyle/natural-beauty-fashion/stories/shailene-woodleys-guide-to-health-and-beauty#ixzz3RRla9Rgp