Ottosson has specifically formulated this matte/flat paint for interior applications.
 
Matte White is a warmer white finish in comparison to the cooler Matte Snow White.
 
Most commonly used on interior drywall or plaster walls.
 
Apply the Ottosson Matte Interior Primer as a first step on new, absorbent  drywall, pH neutral plaster, unpainted wood, etc.
 
Do not use Ottosson Matte Interior Primer when applying the Ottosson Matte Interior Paint over an old coating, especially over a modern acrylic or latex paint.
 
Generally, 1-2 relatively thin, even coats wil cover completely.