Photoshop Tutorials
The Design Center, DT&G / Photoshop Department / Whitening Teeth & Eyes with Photoshop / Page Two: Levels  

Continued from the previous page...

Whitening Teeth & Eyes with Photoshop -
with Barry Huggins

Method 3: Curves

We can also use Curves to brighten the teeth and change their color. This method is particularly useful if you want to fine-tune the effect in more detail.

Photoshop Curves

1 Make another selection of the teeth, then choose
Image > Adjustments > Curves (Ctrl/Cmd + M).

We need a white adjustment, so keep the Channel set to RGB and drag the top right corner of the diagonal line to the left as shown.

setting adjustments

finished 2 Slight Yellowing: You'll notice that this results in a slight yellowing of the teeth.
Blue is the complement of yellow, so pick the Blue channel from the Channel drop-down, then create the curve as shown.

To copy mine exactly, click on the top endpoint of the curve, then type 234 in the Input number field.

The final image shows the same settings applied to the whites of the eyes.

NOTICEClick here for the final results.
 

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