Oxidation Paintings by Andy Warhol presents a series of six copper-coated panels, their surfaces stained with blooming pools of deep green and sandy gold corrosion. In these works, mottled greens, ochres, and metallic browns created through chemical reactions produce shifting textures that move between stain, splash, and subtle shimmer. The result feels at once bodily and atmospheric, organic yet deliberately controlled. Each canvas captures an elemental drama while subtly parodying the grand gestures of Abstract Expressionism.
Oxidation Paintings by Andy Warhol: Process and Materials
Warhol created the Oxidation Paintings in 1977–1978 by coating canvas with copper metallic paint, then asking friends and Factory visitors to urinate on the surface. The uric acid reacted with the copper to produce rich green and brown oxidized stains. Instead of using a brush, Warhol turned the human body into a tool. He choreographed the process and controlled which areas would bloom with color. As a result, these stained fields still feel carefully composed. Darker forms anchor the image, while lighter edges and drips guide the eye across the surface.
At the time, critics often accused Warhol of making only glossy celebrity portraits and running a business more than an art studio. The Oxidation Paintings answered that charge in a shocking way. They drew on the physicality of postwar abstract painting. Yet they also mocked its heroic gestures by replacing the artist’s arm with an unapologetically crude act. In that sense, Warhol fused performance, chemistry, and painting into a single, irreverent gesture.
Parody, Performance, and Abstract Painting
The Oxidation Paintings, often referred to as “Piss paintings,” can be read as a dark parody of the grand abstractions of artists such as Jackson Pollock and Willem de Kooning, whose work is often grouped under Abstract Expressionism. Where they dripped enamel or dragged paint across the canvas, Warhol delegated the mark-making to his friends and assistants. Even so, he remained attentive to the final image, directing where the copper went. He also chose which canvases were used, and how the stains should build into compelling compositions.
Moreover, the series draws on New York’s underground fetish and club cultures, where bodily fluids and transgression already formed a coded visual language. Warhol tapped into that world but translated it into the rarefied context of painting and the gallery. As a result, the Oxidation Paintings operate on several levels at once: as abstract images, as private jokes, and as sharp commentary on what counts as “serious” art.
Oxidation Paintings in Warhol’s Larger Body of Work
In the broader arc of Andy Warhol’s career, the Oxidation Paintings sit alongside later abstract projects such as the Rorschach works and the monumental Shadows. Together, these series show how, in the late 1970s, Warhol moved beyond celebrity portraiture and advertising imagery to test what painting could still be. The Oxidation Paintings in particular demonstrate his willingness to risk disgust, humor, and beauty in the same frame.
For collectors and historians, this body of work confirms Warhol’s role as a key avant-garde figure well into the 1970s. He challenged the boundary between studio discipline and chance reaction, between refined abstraction and raw bodily presence. This individual canvas, catalogued among the Oxidation Paintings, preserves that tension. It feels at once controlled and accidental, decorative and subversive. The set is a small but potent experiment in how far painting can go.
PROVENANCE
Estate of Andy Warhol, New York
The Andy Warhol Foundation for the Visual Arts, Inc., New York
Gagosian Gallery, New York
Private Seller
Revolver Gallery
LITERATURE
N. Printz, ed., The Andy Warhol Catalogue Raisonné, Paintings 1976-1978, New York 2018, vol. 5B, pp. 215 and 216, no. 4029 (illustrated).
EXHIBITED
New York, Gagosian Gallery, Andy Warhol: Piss and Sex Paintings and Drawings, September–November 2002, p. 19 (illustrated).
Los Angeles, Kantor Gallery, Destruction, Negation, Subtraction, Dissolution, May–June 2010.
