What is retouching hair in Photoshop tutorial? Remove unwanted background hair from Photoshop like stray hairs in Photoshop by using a retouching tool in Photoshop tutorial. This is done by selecting an existing layer in Photoshop and then pressing the "shift+click" key. The selected layer will be removed and you can see the "new" layer below it in Photoshop tutorial. Move the cursor inside the layer's outline to reveal its clipping path. Right click to make it editable. Use the "shift+click" key to set the path. Clipping path allows you to mask high resolution hair so that you can change its color or remove it if you want a different look for your hair.