Unwanted increase in gloss or sheen of the paint film as a result of rubbing, scrubbing, or having an object brush up against it.

Premature and/or excessive lightening of the paint color.

Uneven appearance of a coating's gloss, sheen or luster due to deterioration of the paint film.

Appearance of a darker/denser color or higher sheen where two layers overlap during paint application.

A non-uniform appearance of color, usually corners or edges that may be darker.

A repaired or repainted area that is noticeably different than the surrounding space.

Development of a yellow cast in aging paint, most noticeable in the dried films of white paints or clear varnishes.

Painted surfaces that are not easily cleaned of contaminants.