Winsor & Newton Art Masking Fluid is a liquid with added pigmentation for masking areas of work in need of protection when colour is applied in broad washes. It is designed primarily for use watercolour, ink, and gouache.
Composition: Rubber latex/pigment. 75ml bottle
For best results, remove within 24 hours of application.
Brushes can be cleaned if washed immediately with water after use. Do not use your best brushes for masking fluid, as it will gum them up and once it dries inside the bristles will ruin them irreparably. We suggest you make use of a masking fluid applicator.