Sculpting detailed lips by hand is difficult and time-consuming.
So here is the pack of alphas dedicated exclusively to detailing lips!

You get 5 sets of lips alphas with a unique look.

Each set is conveniently split into chunks to simplify detailing the curved surface of the lips.

Also included: workflow guides, showing how to get perfect results from your alphas.
Guides are available for Blender, zBrush, Substance Painter, 3dcoat.

What to download?
After purchasing you can download several zip files. If you intend to use the alphas in one of the officially supported apps (e.g. Blender) download the zip file that contains the name of the app:
blender >>> lips_blender.zip (the obvious choice :) )
zBrush >>> lips_zbrush.zip
Substance Painter >>>  lips_SubstancePainter.zip
3dcoat >>> lips_3dcoat.zip
lips_all_file_formats.zip contains the following file formats
-32bit EXR, 32bit TIFF, 32bit TIFF Grayscale, 16bit PSD Grayscale, 16bit TIFF, 8bit JPG
Feel free to download those if you think you need them.