Mouthwash causing black debris after rinsing

Based on the search results, direct information for products named "Bamboo mouthwash" or "Charming mouthwash" was not found in the database. However, some ingredients related to oral care products and colors were found.

The phenomenon where mouthwash reacts with saliva and produces black debris is observed in some types of mouthwash. Generally, it is not harmful and often occurs when certain ingredients in the mouthwash, such as surfactants or natural extracts, interact and bind with proteins, bacteria, or food particles in the mouth. This causes these substances to coagulate and become more visible.

In some cases, mouthwashes containing enzymes (such as the Enzyme Mouthwash found in the search results) are designed to help break down protein stains and food debris in the mouth. When expelled, these broken-down substances may be visible as debris.

Furthermore, colors in mouthwash, especially dark colors (such as Caramel Color or Black Color found in the search results), can also contribute to the debris appearing darker.

Therefore, without the exact ingredient list of the mouthwash you are using, it is difficult to pinpoint the specific substance causing this reaction. However, it is generally caused by the interaction of certain ingredients with debris and proteins in the mouth, which is a mechanism that aids in cleaning the oral cavity.