Topics Covered in This Photoshop Tutorial:
Smart Objects & Smart Filters, the Liquify Filter: Facial Features, Editing the Smart Filter: Using Liquify to Push Pixels
Exercise Preview

Photo from Pixabay
This tutorial uses a portrait image from Pixabay, demonstrating professional editing techniques on freely available photography resources.
Exercise Overview
Photoshop's Liquify filter stands as one of the application's most powerful transformation tools, enabling you to manipulate pixels with the fluidity of liquid. This comprehensive exercise will guide you through the sophisticated facial recognition features in the Liquify filter, teaching you to make precise portrait adjustments while maintaining complete editing flexibility. You'll master the art of non-destructive editing through Smart Objects and Smart Filters—essential techniques for professional workflows where client revisions are inevitable and precision is paramount.
Photoshop's Liquify filter enables you to push pixels around like they are a liquidSmart Objects & Smart Filters
Understanding the distinction between destructive and non-destructive editing separates amateur photo editors from seasoned professionals. When you apply a filter directly to a regular pixel-based layer, you're making irreversible changes to the original image data—a destructive workflow that limits future flexibility and can compromise image quality through repeated edits.
Smart Filters revolutionize this process by preserving your original pixels while maintaining full editability. When you apply any filter to a Smart Object, Photoshop creates a Smart Filter—think of it as a dynamic mask that can be modified, disabled, or completely removed at any point in your workflow. This approach is particularly crucial for client work, where revision requests are common and maintaining image fidelity across multiple iterations is essential.
- From the Photoshop Class folder, open the 3B Portrait man.jpg file.
- In the Layers panel, notice there's only one layer, which we want to apply a filter to while preserving maximum editing flexibility.
While there are multiple methods to convert layers to Smart Objects, we'll use the most direct approach: navigate to the Filter menu and choose Convert for Smart Filters.
If you encounter a message about enabling re-editable smart filters, click OK to proceed.
In the Layers panel, double–click on the layer name and rename it to portrait for better project organization.
Now that we've established our non-destructive foundation, let's explore the sophisticated facial recognition capabilities of the Liquify filter.
Destructive vs Non-Destructive Editing
| Feature | Regular Filters | Smart Filters |
|---|---|---|
| Original Pixels | Permanently Changed | Preserved |
| Editability | Cannot Modify | Fully Editable |
| Workflow | Linear Process | Flexible Adjustments |
Converting to Smart Objects
Access Filter Menu
Navigate to the Filter menu in Photoshop's main interface
Convert for Smart Filters
Select 'Convert for Smart Filters' option to transform your layer
Confirm Conversion
Click OK if prompted about enabling re-editable smart filters
The Liquify Filter: Facial Features
Photoshop's facial recognition technology has evolved significantly in recent years, offering unprecedented precision in portrait retouching. The Face tool leverages advanced algorithms to automatically identify facial landmarks, providing intuitive controls that maintain natural proportions while allowing for creative enhancement.
- Navigate to the Filter menu and choose Liquify to access the dedicated Liquify workspace.
- The Liquify filter features its own comprehensive tool panel. On the left, select the Face tool
, which automatically detects facial features. Hover over the nose to reveal three white control dots—these represent intelligent manipulation points:
- Drag the center dot vertically to adjust nose length with natural perspective preservation.
- Use the left or right dots to modify nose width while maintaining facial symmetry.
- Observe the corresponding numeric controls for Nose Height and Nose Width in the properties panel on the right, which provide precise measurement feedback for your adjustments.
- Systematically explore other facial regions by hovering over the eyes, mouth, jawline, and forehead. Each area reveals contextually appropriate controls that respect anatomical structure while providing creative flexibility.
- Monitor your progress using the P key for rapid before-and-after comparisons, or toggle the Preview checkbox at the bottom right of the interface for more deliberate review.
Once satisfied with your facial adjustments, click OK to apply the Smart Filter.
With facial features refined, we'll now explore the Liquify filter's broader pixel manipulation capabilities for addressing other compositional elements.
Facial Recognition Controls
Nose Adjustments
Three control dots appear when hovering. Middle dot controls length, side dots adjust width for precise reshaping.
Eye Modifications
Interactive control points allow for natural-looking eye adjustments with real-time visual feedback.
Mouth Reshaping
Drag control dots to modify mouth shape and expression while maintaining realistic proportions.
Press P on your keyboard multiple times to toggle before and after views, or use the Preview checkbox at bottom right to see your changes.
Editing the Smart Filter: Using Liquify to Push Pixels
The true power of Smart Filters becomes evident when you need to refine or expand your edits. Unlike traditional destructive filters, Smart Filters retain all your previous settings while allowing additional modifications—a workflow that's invaluable for iterative client work and creative experimentation.
- Examine the Layers panel to see the Liquify Smart Filter now listed beneath your portrait layer, complete with its own mask and blending options.
Double–click on Liquify in the Layers panel to reopen the filter interface:
Notice that all your previous facial adjustments are preserved and remain fully editable.
Beyond facial recognition, the Liquify filter excels at organic shape manipulation, allowing you to address compositional issues that would be difficult to correct through traditional selection and masking techniques.
Select the Forward Warp tool
from the Tools panel.The subject's black jacket exhibits an unflattering silhouette on the right side. We'll demonstrate how to reshape this element seamlessly.
- Set the Brush Size to 900 pixels in the tool options to establish an appropriately broad manipulation area.
- Carefully drag the jacket's edge downward and slightly left, using smooth, deliberate movements to avoid creating unnatural distortions.
- Refine your work by reducing the brush size using the
[and]bracket keys, then continue fine-tuning the jacket's contours for a more natural appearance. - Use the P key repeatedly to evaluate your progress, ensuring the modifications enhance rather than detract from the overall composition.
When satisfied with your adjustments, click OK to update the Smart Filter.
Now let's explore how Smart Objects enable you to make foundational changes to your source image while automatically updating all applied effects.
Forward Warp Tool Technique
Select Forward Warp Tool
Choose the Forward Warp tool from the Liquify filter's tools panel
Set Appropriate Brush Size
Start with a larger brush size like 900 pixels for broad adjustments
Push and Refine
Drag to push pixels, then reduce brush size using bracket keys for detailed work
Use the left bracket key [ to decrease brush size and right bracket key ] to increase brush size for efficient workflow control.
Editing the Contents of the Smart Object (the Photo)
One of the most powerful aspects of Smart Objects is their ability to maintain live links to source content. When you edit the contents of a Smart Object, all applied Smart Filters automatically update to reflect your changes—a workflow that's particularly valuable for iterative retouching and client revisions.
To access the original photograph for editing, double–click on the layer thumbnail (not the layer name) in the Layers panel:
- Acknowledge any dialog about saving after editing by clicking OK.
- The original photo opens in a separate document window, displaying the unfiltered image where you can perform foundational retouching work.
- Create a duplicate layer using Cmd–J (Mac) or Ctrl–J (Windows) to maintain your original image data intact.
- Rename this new layer retouching to clearly identify its purpose in your workflow.
- Select the Spot Healing Brush tool
for precise blemish and wrinkle removal. - Selectively remove several facial wrinkles, focusing on areas that detract from the overall portrait quality while maintaining natural character lines.
- Save your changes using File > Save to update the Smart Object contents.
Close this document with File > Close to return to your main composition. Observe how the Liquify effects have been automatically applied to your newly retouched image, demonstrating the dynamic relationship between Smart Objects and their filters.
Finally, we'll save your work in a format that preserves all editing capabilities for future refinement.
Smart Object Content Editing
Open Smart Object
Double-click the layer thumbnail to open the smart object in a separate window
Create Working Layer
Press Cmd-J (Mac) or Ctrl-J (Windows) to duplicate the layer for non-destructive retouching
Apply Retouching
Use Spot Healing Brush to remove wrinkles and blemishes on the retouching layer
Save and Return
Save the smart object, then close to return to main document with filters intact
Saving As a Photoshop File
Choose File > Save As and configure the following settings:
- Ensure Format (Mac) or Save as type (Windows) is set to Photoshop to preserve all layer data and Smart Filter information.
- Name the file yourname-Portrait man.psd and click Save.
The .psd format maintains complete editability, preserving your Smart Objects, Smart Filters, and layer structure for future modifications. This native format integrates seamlessly with InDesign and other Adobe applications, eliminating the need for format conversion in professional print workflows. For additional guidance on optimizing file formats for different output destinations, consult the Print File Formats reference section at the back of this workbook.
PSD File Format Benefits
Your PSD file maintains all smart filters and layers, enabling future adjustments while being ready for professional print production in InDesign.