DefinitionHair tonic is a product used to style the hair. Hair tonic poisoning occurs when someone swallows this substance.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.Poisonous IngredientEthanol (ethyl alcohol)SymptomsMost symptoms are due to the alcohol content and are similar to the sensation of being drunk. Symptoms may include:ComaDiarrheaInability to walk in a normal mannerIncreased urinationLack of alertness (stupor)Painful urinationSlowed respirationsSlurred speechUnsteady walkVomitingHome TreatmentSeek immediate medical help. Do NOT make a person throw up unless told to do so by Poiso