To whiten teeth in Photoshop, first open up the picture and trace the inside of his lips with the lasso cursor. Now go to Image up on the toolbar on the top, click on it and then click on Adjust. There is a box with the word red in it with an arrow next to it. Click on the arrow and go down to yellow. Take the arrow for black, cyan and magenta and move it to the left a little. Next, take the arrow for yellow and move it all the way to the left. Now go back up to the box with the word yellow in it and click on the arrow. Click on white. Move the arrow for black, cyan, and magenta a little to the left again. Now move the arrow for white and move it all the way to the right. Close the menu and now John McCain was a whiter smile.
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