Winsor & Newton Professional Acrylic Gloss Medium, 250 ml, Gloss Build, Flow, Clear Finish, Suitable for Professional & Beginners Artist

250 ml bottle; gloss-building capabilities; improves flow and adhesion; clear finish; dries transparent without haze; helps unify varying surface gloss across a painting.

Start with a small amount and mix roughly 10–30% with your acrylic paint to extend flow and gloss. Apply in thin layers, letting each layer dry before the next. It can be brushed, poured, or used for glazing, and brushes can be cleaned with water.

Yes. Its gloss build and smooth flow are well-suited for glazing, which helps create depth and luminous color while keeping a consistent sheen across layers.

It works well on canvases, primed board, wood, and paper treated for acrylics. Ensure the surface is clean, dry, and properly primed (gessoed) before applying the medium to promote adhesion and even drying.

It is designed to dry clear and remain flexible. When used within recommended thicknesses and with proper surface prep, it typically does not yellow. Avoid applying excessively thick layers to minimize cracking.

Touch-dry time is usually 15–30 minutes depending on thickness and ambient conditions. Full cure typically occurs within 24 hours.

Keep the cap tightly closed, store in a cool, dry place away from direct sunlight, and avoid freezing temperatures. If the contents separate, reseal and shake well before use.

Yes. It is water-based and designed for artist use; it is generally non-toxic with typical consumer use. Follow standard safety guidelines and avoid ingestion.

If you’re exploring alternatives on Fepy, you can check these: Liquitex Gloss Medium & Varnish - https://fepy.com/product/liquitex-gloss-medium-varnish; Daler-Rowney System 3 Glazing Medium - https://fepy.com/product/daler-rowney-system3-glazing-medium; Golden Glazing Medium (Fluid) - https://fepy.com/product/golden-glazing-medium; Winsor & Newton Professional Acrylic Flow Aid - https://fepy.com/product/winsor-newton-professional-acrylic-flow-aid.

Gloss medium primarily increases gloss and flow for even application and gloss retention. Glaze mediums emphasize transparent color layers for depth, while flow mediums optimize movement and leveling. This Winsor & Newton gloss medium provides gloss, flow, and improved adhesion in one product, making it versatile for glazing and layering with a clear finish.

Ideal for glazing to build depth, creating a unified sheen across strokes, and strengthening paint films. It also helps reduce brush marks on smooth passages and can be thinned for washes or used in combination with other mediums to tailor gloss and transparency. For airbrushing, thin with water or airbrush-compatible thinners as needed.