In 30 minutes you are given the essence of what a 3-4 hour beauty retouching workflow contains with plenty of details on the different layer aspects.Safari Technology Preview Release Notes Release 135 This tutorial will also give you ideas for other tutorials to watch, as it branches out to many individual aspects typical of a beauty retouching workflow. Despite the non-destructive workflow it’s manageable and not too complicated. The logic of the layer stack is perfectly explained and the result is a retouched image where the layers can be remixed and re-edited at any point. With samples of a great variety of work that goes into beauty retouching and lots of useful tips.
If you watch one workflow tutorial, this is a great ‘modular’ layer workflow. This Gry Garness Photoshop tutorial, The Photoshop Layers Workflow is a whole workflow overview in a nutshell.