This is the classic professional workaround. Instead of one glow, you use several.
Adobe added to After Effects recently. It was designed for 360 video, but it works in 2D and offers a much smoother, softer falloff than the standard Glow effect. deep glow after effects free
Use the official free trial from the Plugin Everything website for specific projects to test it. If you find yourself using it on every project (which most motion designers do), it is a worthy investment for your toolkit. This is the classic professional workaround