Adjustment Layers

Match Color & Equalize
Combine Images: Emersion Effect
Watercolor Portrait from a Photo
Neural Filters (AI)
Superhero Watercolor Poster
Comic Book Drawings
Glowing Illustration
Creative Use of Clone Stamp Tool
Extract a Person from a Photo
Using Chroma Key
Change a Background
Particles & Flowing Lines
Creating a Pastel Artwork
Using Artistic Plugins
Oil Painting Effect
Digital Art
Explosion Effects
Old Photo Restoration
High Pass Effect
Adding Watermarks
Fit Text to Path Tool
Chameleon Brush: Artistic Cloning
AKVIS Plugins Installation
Brush Editor: Texture Brush
Brush Editor: Select Shape
Brush Editor: Ellipse
Shadow Effects
Sharpen Effects, Two Keys
Stylization Effects
Distortion Effects
Blur Effects
Points Plugin
Enhancer Plugin
Neon Plugin
NatureArt Plugin
LightShop Plugin
HDRFactory Plugin
AirBrush Plugin
Working with Text
Alignment Options
Black & White Adjustment
Posterize Adjustment
Threshold Adjustment
Invert Adjustment
Hue/Saturation
Brightness/Contrast
Curves Adjustment
Levels Adjustment
Adjustment Layers
Batch Processing
Image Resizing
Installation on Windows
Installation on Mac
Installation on Windows
Installation on Mac
Installation on Linux
Trial Period
Program Activation
Workspace
Using the Program
Creating a New Image
AKVIS Format
Color Modes
Image Resizing
Graphics Tablets
Batch Processing
Batch Conversion
Print Images
Preferences
HotKeys
Navigator
Toolbar
Layers
— Layer Effects
— Layer Mask
— Clipping Mask
— Blend Modes
— Blend by Brightness
Channels
Selections
History
Color
Swatches
Color Wheel
Actions
File Info
Levels
Curves
Brightness/Contrast
Vibrance
Hue/Saturation
Photo Filter
Color Balance
Selective Color
Color Lookup (3D LUT)
Invert
Threshold
Posterize
Black & White
Gradient Map
Match Color
Equalize
Desaturate
Blur
Brush Strokes
Channel Mixer
Combine Images
Comics
Distortion
Drop Shadow
Glamour
Glitch Art
Halftone Pattern
High Pass
Linocut
Noise
Page Curl
Pen & Ink
Pixelate
Shadow & Highlight
Sharpen
Stencil
Two Keys
Built-in Plugins
External Plugins
AirBrush
Enhancer
HDRFactory
LightShop
MakeUp
NatureArt
Neon
Noise Buster
Points
SmartMask
JPEG Artifact Remover
Motion Deblur
Noise Removal
Image Enlargement
Basic Selection Tools
Magic Wand Tool
Quick Selection Tool
Object Selection Tool
Select Subject
Color Range
Refine Edges
Color Brush
Color Pencil
Spray
Recolor Brush
Texture Brush
Eraser
History Brush
Paint Bucket
Gradient Fill
Clone Stamp
Chameleon Brush
Blur
Sharpen
Smudge
Lighten
Darken
Saturation
Advanced Settings
Tuning Brush
Spot Remover
Red Eye Remover
Teeth Whitening
Forward Warp
Push
Bloat
Pucker
Twirl
Reconstruct
Fluffy Brush
Hair Brush
Bristle Brush
Thread Brush
Veil Brush
Smoke Brush
FX Sparkle Brush
Energy Brush
Oil Brush
Roller
Felt-Tip Marker
Chalk
Artistic Pencil
Artistic Spray
Artistic Smudge
Text Tool
Fit Text to Path
New Shape
Edit Shape
Fill Shape
Outline Shape
Alignment
Move
Crop
Perspective Crop
Transform
Eyedropper
Hand
Zoom
General Settings
Tone Curve
Details
HSL/Grayscale
Lens Corrections
Presets
How to Revive a Pale Photo
Partial Desaturation
Stone Engraving Effect
Creative Use of Glitch Art
How to Brighten a Dark Portrait
Face & Body Shaping
Change the Weather
5 Ways to Get Black & White Photos
Enhance a Portrait with High Pass
Valentine's Day Card
Andy Warhol Style Portrait
Polaroid Photo Collage
Bookshelf Wallpaper
Mosaic Effect
Water Drop
Outline Text Effect
Vintage Photo Effect
Old Photo Effect
Bokeh Effect
Image Toning
How to Change Eye Color
Removing Glasses
Selecting Lipstick
Old Photo Retouching

Adjustment layers allow you to edit colors in photos without affecting its original pixels, meaning that your source image is maintained. It is a safe way of applying image adjustments.
To create a new adjustment layer, select Layers -> New -> Adjustment Layer or use the button in the Layers panel.

Watch the video tutorial to see how it works: