A "Delicious Retouch 4.0 license key" is a digital credential used to activate a specific photo retouching plugin for Adobe Photoshop.
Overview
Delicious Skin v4: Automatically creates masks to smooth skin while preserving pores and texture.
Eyes & Teeth: Dedicated scripts for whitening teeth and enhancing eye detail without making the subject look "over-edited."
Key Features of Delicious Retouch 4.0