Photoshop tutorial: Curves.
Step 1: Click, “File” then “Open” on your photoshop. Choose your desired photo. For instance, I chose this:

Step 2: Right click, then click, “duplicate layer”.

Step 3: Click the adjustment layer.

Step 4: Click “curves”.

Step 5: Something will pop-out. Just change “None” to “Custom” and “RGB” to “blue”.
Step 6: After clicking “blue”. Do this:

Do not click “ok” yet. Just keep doing the curves. Now, Click green, and do this:

Click red, and do this:

Step 7: Click “ok”, and you’re done!

tutorial by: 21stcenturybabe
(Source: 21stcenturybabe)

