This slightly rounds out the area you 're going to whiten . Go to Image > Adjustments > Hue / Saturation . For the teeth , choose Yellow in the edit screen and slide the Saturation bar down some . Then go to the edit screen again and choose Master and slide the Lightness bar up some .
What may be the reason I am giving out detailed instructions ?
Pick the best answer from the following options:
- I am helping someone change the background of their website to make it whiter .
 - I 'm trying to show someone how to make the bloodshot eyes in a photo look whiter .
 - I am trying to help someone edit their photos so the subjects have a whiter smile .
 - None of the above choices .


I am trying to help someone edit their photos so the subjects have a whiter smile .