The Spot Healing Brush tool quickly repairs image imperfections.
Photoshop Spot Healing Brush
  1. Select the Spot Healing Brush (J) .

  2. Use the Options bar to customize tool settings, like Size, Hardness, and Pressure, to get the effect you want. 

  3. For smaller areas: Simply click the area you want to fix.

    For larger areas: Click and drag to smooth over imperfections across the area you want to fix.