Learning how to use Brush Tool and it's various sub tools to improve your retouching techniques.
Images often have unwanted marks, such as imperfections like spots or wrinkles on portraits, that all need minimizing.
Brush Tool is the main device for doing this kind of retouching, but there are several sub tools such as the patch tool and this tool can do the same thing, hiding unwanted elements but working in different ways and having different effects.
The Tools works by matching the texture, luminosity, and color of same with the target area, so it blends with the pixels around it. It's useful to use hard edge Brush. the tool also struggles on edges or areas of high contrast as it does not know how to blend tones, and it doesn't have the opacity setting found on the clone stamp tool.
1) Create a new layer ( Layer>New ), select the Healing Brush Tool and hard-edged brush, and click
All layers from the menu in the top toolbar. Zoom into the areas you want to clean up.
2) Take a sample from close to the area that you want to clear up by clicking Alt/Option . Brush over the areas with the blemishes and alter the Size and Hardness of the brush as you go along.
3) As this Brushes-Tool over an area of contrast, it can smudge as it struggles to match the varying tonality. it's best to take samples close to the target area.
4) Becareful not to overdo the healing brush tool. you don't want to eliminate all imperfections as your subject will look like a porcelain doll. To avoid this, vary the opacity by clicking Edit>Fade Healing Brush.