If you ask me, what makes Photoshop such a powerful editing software? I would say Layer & Layer Mask. It is the core of Photoshop; every editing in Photoshop are base on that. It is also the first thing you should understand if you want to learn using Photoshop. Here, I will guide you through WHAT is Layer & Layer MASK, WHY you need them, and HOW to use them. This blog post is for anyone NEW to Photoshop, so no worry if this is the first time you are using (or haven’t) Photos