Does Hair Balm contain nuts, soy, wheat or gluten? Erica Halliwell September 10, 2020 05:00 Updated Follow Yes. Hair Balm contains hydrolyzed soy protein, hydrolyzed wheat protein, and hydrolyzed wheat starch. Related articles Does New Wash remove chlorine? Is Hair Balm vegan? Comments 0 comments Please sign in to leave a comment.