Combination Ctrl+Alt+~ is to create selection by choosing bright color areas on the picture automatically. Now we will do examples to see how useful is it to shorten steps in our work.
1. Brighten up the picture or skin:
Open the pic you want to do.
Ctr+J to duplicate it we have Background copy. Between two these layers we create a new fill layer with white like that:
-

Choose Background copy, press Ctrl+Alt+~ we will have:
This step to choose bright area on the picture automatically.
Press Delete and Ctrl+D to deselect we will get:
Quicker, useful and better result to brighten than familiar ways i have used.
2. Change color of the pic:
- Open your base. Here i use the pic of flowers.

Ctrl+J to duplicate it to get the copy. Between two these layers we create a new fill layer with 9db5f3. Choose background copy, Ctrl+Alt+~ then press Delete we have:
- Choose fill layer, change the mode to Pin Light.
Our result:
You can repeat these steps till you get the tone you want .
You can do the same techinque with pattern, gradient or texture.
3. Here is an example i do with texture.
- Open and duplicate your base as always. I use this stock:
- Create a new layer between two first layers and paste this texture into it, move it to position you feel fit your base.
- Now what i want is to store the light of the texture on the origin pic. Hide the eye of background copy, choose the texture layer and press Ctrl+Alt+~:

- Now choose and turn on the hidden layer, we have selected area:
- Click Delete and Ctrl+D to deselect we have:
- Come back to texture layer and set it to Pin light 100%. Ctrl+B to adjust color:
Midtones:-28,31,-100
Shadows:-73,100,-100
Then Levels with Ctrl+L:
Then eraser with soft brush, flow 19% on unneccesasy parts:
Right click on this layer, choose Blending option:
Here is final result:
There are examples to show how to apply combination Ctrl+Alt+~ with Delete key to create quickly interesting effects. Hope it will be useful for you. Thanks for reading.

