Is New Wash vegan? Erica Halliwell June 23, 2017 22:34 Follow No, New Wash is not vegan due to Keratin (a protein derived from sheep wool) in the formula. Related articles Are Hairstory products tested on animals? How to manage during the transition to New Wash (Greasy? Limp? Dirty or oily? This article will help.) Does New Wash contain nuts, soy, wheat or gluten? Is there a sample size New Wash? Is New Wash safe for children, pregnant women and / or pets? Comments 0 comments Article is closed for comments.