Ultimate Photoshop guide on Curves

https://www.skillshare.com/classes/Ultimate-Photoshop-guide-on-Curves/1776448774
This course is ideal for everyone who wants to clear their concepts on curves in photo editing. We all see the curves adjustment settings in almost all photo editing apps. We know it's powerful, but its not clear how to use curves to improve your image. 
Here in this course, we will discuss everything you will ever need to learn curves in photoshop.