Add an object to be able to use the addon.

If no object is selected, you will receive this message

You can create, delete and organize hair particle layers, using these buttons

After creating a particle, you will have more options (the ShapeKey Control is available since version 0.6 Beta7)

Selecting a particle on the menu, you will be able to rename it and to select vertex groups (previously created on the selected object) to controle several attributes on that particle

Each new layer created will show up on another list. On this list you can select to enable/disable Hair Dynamic, and to enable/disable view port and render option of that hair layer.

You can also select the previous or next hair layer using the arrow buttons, bellow the list

After setting up the particle, you can click on "Hair Layer" button to hide this part of the menu

All the selected parts on the image below, show the buttons available for you to see or hide options on the menu, this way you can focus only on the specific part of the work you have to do.

Even if you hide everything, you will see the most basic options, the control of the particle layer and toggle particle hair edit mode and the clear particle button (this button will reset the particle options to its default)