What is the active ingredient in Vim bathroom cleaner?

The active ingredient in Vim bathroom cleaner is typically a combination of sodium hypochlorite, which acts as a bleach and disinfectant, along with various surfactants that help in cleaning. Some formulations may also include citric acid or other agents to aid in removing limescale and soap scum. Always check the specific product label for the exact ingredients, as formulations may vary by region or product type.