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Using a variety of Photoshop tools, you can easily touch up blemishes, whiten teeth, correct red eye, and fix many other imperfections in your images.
Note:
Photoshop doesn't support opening or editing banknotes or currency notes. See Counterfeit Deterrence System (CDS).
The Clone Source panel (Window > Clone Source) has options for the Clone Stamp tools or Healing Brush tools. You can set up to five different sample sources and quickly select the one you need without resampling each time you change to a different source. You can view an overlay of your sample source to make it easier to clone the source in a specific location. You can also scale or rotate the sample source to better match the size and orientation of the cloning destination.
For timeline-based animations, the Clone Source panel also has options for specifying the frame relationship between the sample source video/animation frame and the target video/animation frame. See also Cloning content in video and animation frames.
The Clone Stamp tool 
paints one part of an image over another part of the same image or over another part of any open document that has the same color mode. You can also paint part of one layer over another layer. The Clone Stamp tool is useful for duplicating objects or removing a defect in an image.
You can also use the Clone Stamp tool to paint content on video or animation frames. See also Cloning content in video and animation frames.
To use the Clone Stamp tool, you set a sampling point on the area you want to copy (clone) the pixels from and paint over another area. To paint with the most current sampling point whenever you stop and resume painting, select the Aligned option. Deselect the Aligned option to paint starting from the initial sampling point no matter how many times you stop and resume painting.
You can use any brush tip with the Clone Stamp tool, which gives you precise control over the size of the clone area. You can also use opacity and flow settings to control the paint application to the cloned area.
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To specify how you want to align the sampled pixels and how to sample data from the layers in your document, set any of the following in the options bar:
Aligned
Samples pixels continuously, without losing the current sampling point, even if you release the mouse button. Deselect Aligned to continue to use the sampled pixels from the initial sampling point each time you stop and resume painting.
Sample
Samples data from the layers you specify. To sample from the active layer and visible layers below it, choose Current And Below. To sample only from the active layer, choose Current Layer. To sample from all visible layers, choose All Layers. To sample from all visible layers except adjustment layers, choose All Layers and click the Ignore Adjustment Layers icon to the right of the Sample pop‑up menu.
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- To scale or rotate the source that you’re
cloning, enter a value for W (width), H (height), or the rotation
in degrees
.
- To reverse the direction of the source (good for
mirroring features like eyes), click the Flip Horizontal
or Flip
Vertical 
buttons.
- To show an overlay of the source that you’re cloning, select Show Overlay and specify the overlay options.
Note:
Select Clipped to clip the overlay to the brush size.
- To scale or rotate the source that you’re
cloning, enter a value for W (width), H (height), or the rotation
in degrees
and
set an additional sampling point.Using the Clone Stamp or Healing Brush tool, you can sample sources in the current document or any open document in Photoshop.
When cloning video or animation, you can set sampling points in the current frame you’re painting or sample sources in a different frame, even if the frame is in a different video layer or in a different open document.
You can set up to five different sampling sources at a time in the Clone Source panel. The Clone Source panel saves the sampling sources until you close the document.
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.Adjust the sample source overlay options to see the overlay and underlying images better when painting with the Clone Stamp and Healing Brush tools.
Note:
To temporarily display the overlay while painting with the Clone Stamp tool, press Alt+Shift (Windows) or Option+Shift (Mac OS). The brush changes temporarily to the Move Source Overlay tool. Drag to move the overlay to another location.
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- To set the appearance of the overlay, choose either the Normal, Darken, Lighten, or Difference blending mode from the pop‑up menu at the bottom of the Clone Source panel.
Note:
To help align identical areas in the source overlay and underlying image, set Opacity to 50%, select Invert, and deselect Clipped. Matching image areas will appear solid gray when aligned.
When using the Clone Stamp tool or Healing Brush tool, you can paint with the sampled source anywhere in the target image. The overlay options help you visualize where you want to paint. However, if you paint in a specific location relative to the sampling point, you can specify the x and y pixel offset.
Note: Beginning with the Photoshop CC 2015.5 release, you have an option to revert to the legacy Photoshop CC 2014 behavior for the Healing Brush tool. Select Preferences > Tools > Use Legacy Healing Algorithm For Healing Brush. For more information about Photoshop version history, see the New features summary.
The Healing Brush tool lets you correct imperfections, causing them to disappear into the surrounding image. Like the cloning tools, you use the Healing Brush tool to paint with sampled pixels from an image or pattern. However, the Healing Brush tool also matches the texture, lighting, transparency, and shading of the sampled pixels to the pixels being healed. As a result, the repaired pixels blend seamlessly into the rest of the image.
The Healing Brush tool can be applied to video or animation frames. See Examples for the Healing Brush in Photoshop for tips and samples of the Healing Brush in action.
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Note:
If you’re using a pressure-sensitive digitizing tablet, choose an option from the Size menu to vary the size of the healing brush over the course of a stroke. Choose Pen Pressure to base the variation on the pen pressure. Choose Stylus Wheel to base the variation on the position of the pen thumbwheel. Choose Off if you don’t want to vary the size.
Mode
Specifies the blending mode. Choose Replace to preserve noise, film grain, and texture at the edges of the brush stroke when using a soft‑edge brush.
Source
Specifies the source to use for repairing pixels. Sampled to use pixels from the current image, or Pattern to use pixels from a pattern. If you chose Pattern, select a pattern from the Pattern pop‑up panel.
Aligned
Samples pixels continuously, without losing the current sampling point, even if you release the mouse button. Deselect Aligned to continue to use the sampled pixels from the initial sampling point each time you stop and resume painting.
Sample
Samples data from the layers you specify. To sample from the active layer and visible layers below it, choose Current And Below. To sample only from the active layer, choose Current Layer. To sample from all visible layers, choose All Layers. To sample from all visible layers except adjustment layers, choose All Layers and click the Ignore Adjustment Layers icon to the right of the Sample pop‑up menu.
.Note:
If there is a strong contrast at the edges of the area you want to heal, make a selection before you use the Healing Brush tool. The selection should be bigger than the area you want to heal and precisely follow the boundary of contrasting pixels. When you paint with the Healing Brush tool, the selection prevents colors from bleeding in from the outside.
The Spot Healing Brush tool quickly removes blemishes and other imperfections in your photos. The Spot Healing Brush works similarly to the Healing Brush: it paints with sampled pixels from an image or pattern and matches the texture, lighting, transparency, and shading of the sampled pixels to the pixels being healed. Unlike the Healing Brush, the Spot Healing Brush doesn’t require you to specify a sample spot. The Spot Healing Brush automatically samples from around the retouched area.
Note:
For retouching a large area or for more control over the source sampling, you can use the Healing Brush instead of the Spot Healing Brush.
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Create Texture
Uses pixels in the selection to create a texture. If the texture doesn’t work, try dragging through the area a second time.
Content-Aware
Compares nearby image content to seamlessly fill the selection, realistically maintaining key details such as shadows and object edges.
Note:
The create a larger or more precise selection for the Content-Aware option, use the Edit > Fill command. (See Content-aware, pattern, or history fills.)
from
the toolbox. If necessary, click either the Healing Brush tool,
Patch tool, or Red Eye tool to show the hidden tools and make your
selection.Video | Retouching cars in Photoshop
The Patch tool lets you repair a selected area with pixels from another area or a pattern. Like the Healing Brush tool, the Patch tool matches the texture, lighting, and shading of the sampled pixels to the source pixels. You can also use the Patch tool to clone isolated areas of an image. The Patch tool works with 8‑bits or 16‑bits-per-channel images.
Note:
When repairing with pixels from the image, select a small area to produce the best result.
For information about using the Content-Aware Patch tool options, see Content-Aware Patch and Move.
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To extract texture with a transparent background from the sampled area, select Transparent. Deselect this option if you want to fully replace the target area with the sampled area.
Note:
The Transparent option works best for solid or gradient backgrounds with clearly distinct textures (such as a bird in a blue sky).
.Video | Removing red eye and whitening teeth
. (The
Red Eye tool is in the same group as the Spot Healing Brush tool Note:
A reflection of the camera flash in the subject’s retina causes red eye. You’ll see it more often when taking pictures in a darkened room because the subject’s iris is wide open. To avoid red eye, use the camera’s red eye reduction feature. Or, better yet, use a separate flash unit that you can mount on the camera farther away from the camera’s lens.