Airbrushing is a painting technique that uses compressed air to spray paint or ink onto a surface, creating smooth gradients, seamless blends, and highly detailed effects. This method offers precise control over color application, making it a preferred tool in fields like illustration, automotive design, special effects, and cosmetics. The technique gained widespread popularity in the mid-20th century, particularly with the rise of photorealistic art, commercial advertising, and fantasy illustration. Artists like Dru Blair perfected hyperrealistic airbrush techniques, while H.R. Giger used airbrushing to craft his signature biomechanical aesthetic, seen in films like Alien. Beyond traditional painting, airbrushing has evolved alongside digital technology and mixed-media approaches, influencing everything from makeup artistry to custom car detailing. Its ability to produce fine details and flawless finishes keeps it a vital tool in both fine art and commercial design, bridging the gap between traditional craftsmanship and modern innovation.