Fig. 4From: Appearance-based evaluation of varnish removal methods in gilded surfacesCleaning methods. a Solubilisation with a cotton swab under UV light. b Solubilisation by applying a compress. A pipette is used to soak the compress with the solvent. c Solubilisation by use of a gel. The gel is between two layers of hemp paper. d Rinsing the surface using a cotton swabBack to article page