After a tempera painting was completed, it had to be varnished within a few hours or the work would be ruined.

Question

Quizplus · Accepted Answer

This statement is false. Tempera paintings do not need to be varnished immediately after completion. However, if varnishing is desired, it is recommended to wait until the painting has completely dried and cured, which can take several weeks to months depending on the thickness of the paint and the humidity conditions. Varnishing too soon can cause issues such as cracking, yellowing, or cloudiness.

After a Tempera Painting Was Completed, It Had to Be