Knowing how to light, pose, and compose a portrait is only half the battle. To create a successful final image, you also need to have strong editing technique. If you would like to learn how to properly edit a portrait, check out this fantastic video tutorial that will guide you through the entire process, including frequency separation, dodging and burning, and color grading.
Photoshop
How to Retouch Lips in Photoshop

We spend a lot of time working on perfecting our retouching technique when it comes to hair, skin, and eyes, but just like those aforementioned aspects, the lips are also a crucial part of the face, and as such, they deserve equal attention in the post-processing phase. This excellent video tutorial will show you the ins and outs of retouching lips in Photoshop to ensure your portraits are in tip-top shape.