Are the shampoo bars suitable for nut allergy sufferers? 15 June 2023 15:52 Updated Our shampoo bars contain almond oil so we wouldn't advise the use of shampoo if you have a nut allergy. Related articles Can children use the shampoo bar? Does a shampoo bar work as well as liquid shampoo? Are the shampoo bars natural? How long will the bar last? Do the soaps contain nuts or nut oils ?