Seal your acrylic work with Matte Varnish: a transparent, matte acrylic layer which is breathable, permanent and protects against UV damage.
Holbein Artist Acrylic 200ml Matte Varnish
Blick Matte Acrylic Varnishes
Can be applied with a brush or an airbrush Formulated for maximum airbrush performance Water soluble, odorless, and non-toxic
AK Interactive ultra matte varnish #183
Paint Varnish Acrylic Paint Gloss Ultra Matte Acrylic Paint Varnish - Acrylic Paint - Aliexpress
Water based polyurethane varnish formulated with the most recently developed resin. This varnish has the superior resistance of polyurethane and the ease of application of water-based products. U.V. Resistant.
Vallejo: Ultra Matt Polyurethane Varnish (200ml)
Ensure your acrylic paintings stand the test of time with a quality finishing varnish. Once applied over a completed piece of artwork, this varnish
Liquitex® Matte Varnish
Pentart Matte Varnish, water based 50 ml and 100 ml – PipART Creations
SUNIN 7 X192 Matte Varnish Water-based Acrylic Model Color
AK Interactive Ultra Matte Varnish - LAST CAVALRY LLC
There are many misconceptions about whether or not it is necessary to varnish an acrylic painting. As a general rule, you should always varnish your acrylic work when possible. Varnishes are applied over dry paint films and have several purposes. The first and most important function is to protect the painting surface from the environment and protect the pigments from ultraviolet light. Secondly, varnishes can be used to change or unify a paintings surface sheen.
Liquitex - Matte Varnish - 8 oz.
Liquitex - High Gloss Varnish - Quart - Sam Flax Atlanta