Today, finding a valid "20 Key" is an archaeological dig. Most modern computers cannot run the 32-bit plugin. Yet, the legend persists in retouching forums because nothing else handles skin noise quite like it.
: If the effect is too strong after clicking OK, use Photoshop's Edit > Fade command to reduce the overall intensity of the filter. KODAK DIGITAL GEM Airbrush Professional Plug-In 2.1
: Kodak provided a fully functional trial version that applied a digital watermark to all processed images.