Are the shampoo bars suitable for nut allergy sufferers? 16 January 2023 18:38 Updated Yes! Our shampoo bars are safe for people with nut allergies to use. Related articles Can children use the shampoo bar? Does a shampoo bar work as well as liquid shampoo? Are the shampoo bars natural? What ingredients are in the shampoo bar? How long will the bar last? Comments 0 comments Please sign in to leave a comment.