We have had many positive feedback from customers (especially smokers) who have bleeding gums, mouth ulcers and sore issues. Their feedback is that our Natural Tooth Polish range has helped reduce these issues. In some cases it has helped heal their ulcers and they don't get them so often.This is due to the high concentration of healing ingredients for gum care that we added in each formulation:Clove Oil & Vitamin C in the Natural Tooth Polish Elixir 1 helps with bleeding gums and ulcers/sores.Organic Propolis in the Natural Tooth Polish Elixir 2 helps minimize dental cavities, reduces plaque and inflammationHowever, we highly suggest having a look through our Safety & Allergy Guidelines for more details before deciding to try our product.