You can view and edit
the properties for a paint tool as follows:
Select
the paint tool in the Paint Tools tray.
The Properties window
displays all properties for that paint tool.
Edit any of the brush properties as required.
NoteYou can quickly modify
the brush falloff by selecting a falloff preset from the Falloff tray
or by editing the shape of the falloff graph in the Falloff section
of the brush properties.