Is New Wash vegan? Erica Halliwell October 11, 2017 18:24 Updated Follow No, New Wash is not vegan due to Keratin (a protein derived from sheep wool) in the formula. Find our complete ingredient list on the New Wash product page. 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.) Is there a sample size New Wash? Does New Wash contain nuts, soy, wheat or gluten? Swimmers, chlorine and New Wash effectiveness Comments 0 comments Article is closed for comments.