What are the typical cases of using mask in Photoshop?

Adobe's Julienne Kost explains how the Select And Mask in Photoshop CC makes creating selections and masks easier, exact, and efficient... Julienne Kost .... Among other use cases, this option is helpful if your selection is a portrait that includes both hair and shoulders. read more

The case for using masks is anytime you wish to adjust a specific area, and not a global whole image adjustment. Take a typical example of how I brighten and reduce yellowing of teeth in a portrait using a mask. read more

Ok, I'll give this a shot: Dissolve: This is decidedly one of the least used blending modes in Photoshop. I've used it in creating black and white gradients for screen printing, where you can't have greyscale. read more

Photoshop Masking & Montage Tutorial — Using Masks To Improve Landscape Images Adapted from"Photoshop CS3 Essential Skills" by Mark Galer and Philip Andrews Tutorial Work Files You can download the images needed to work along with this tutorial. Visit Mark Galer's site (link opens in a new window) for instructions on how to access them. read more

Ashton Smith, Almost daily user of Photoshop through versions 7, CS, CS2, etc through CC2015 Answered Jan 27, 2016 · Author has 123 answers and 211k answer views The case for using masks is anytime you wish to adjust a specific area, and not a global whole image adjustment. read more

To sum up, there are two primary types of masks in Photoshop: layer masks and clipping masks. Layer masks use values of gray to assign levels of transparency to specific portions of a layer or group of layers while clipping masks use the transparency of one layer to define that of a different layer or group of layers. read more