Ingredients: Sodium Monoflouorophosphate, Zinc Sulphate, Alum. Uses: Hypersensitivity occurs when receding gum-line exposes dentin and microscopic holes, that leads directly to the inside the teeth. Stolin R used regularly targets the source of pain and soothes the nerves while keeping the teeth sparkling & clean it lets you enjoy hot, cold, sweet and sour food without the nagging pain.