Shampoos on the market can have "wack" chemicals in them, as Grist's Umbra Fiske puts it, linked to cancer, reproductive and developmental issues.
Sounds like it might not be the best thing to be putting on your skin. So why not make your own?
All you'll need is organic apple cider vinegar, baking soda, and water.
HuffPost Green Editor Katherine Goldstein can attest to its effectiveness, and it even puts a little extra bounce in her hair flip.
WATCH Fiske show you how to make your own shampoo: