To blur all unmasked paint on an image layer

1. Select the image layer you want to blur.

   See Select an image layer.

2. Choose Paint Edit > Layer Effect > Blur Layer .
   NoteTo set the amount of blurring, choose Paint Edit > Layer Effect > Blur Layer  ❒ to open the Blur Layer Options box, adjust the Blur Radius from 0 (no blur) to 32 (maximum blur), and click Go.

To blur paint by brushing

1. Select the image layer you want to blur paint on.

   See Select an image layer.

2. Choose Paint > Effect Brush > Blur Brush .
3. Drag the stylus on the area of the image layer you want to blur.
   NoteTo set the amount of blurring, open the Brush Options box (for example, choose Paint > Effect Brush > Blur Brush  ❒) and adjust the Blur Strength from 0 (no blur) to 32 (maximum blur).
   TipYou can use any brush as a blur brush by setting Brush Mode to Blur in the Brush Options window.