--- title: "Brush" url: "https://help.maxon.net/c4d/en-us/Content/html/TOOLHAIRBRUSH.html" section_path: "Simulate Menu > The Simulation System > Hair > Tools, Functions, Modes > HAIR Tools > Brush" element_id: "TOOLHAIRBRUSH" command_id: "1017581" description: "This page covers the Hair Brush tool in Cinema 4D, the most important grooming instrument. It brushes guides interactively in the viewport — with …" --- # Brush > **Note:** **What is it about?** > > This page covers the **Hair Brush tool** in **Cinema 4D**, the most important grooming instrument. It brushes guides interactively in the viewport — with collision against the scalp geometry — to shape hairstyles the way a stylist would. **Brush** is without question the most important tool, and works best in the **Guide** and **Point** modes. As the name suggests, this tool brushes the guides (click & drag) interactively in the editor view.