Reviver to restore brittle and dull oil-colour layers which have been through dried over a long period. Works more efficient than oil of turpentine or turpentine substitute (50019). Rub in the medium sparingly (!) with a soft lint-free cloth until original brightness is regained. The necessary penetration time depends on the hardness of the colour layers. On principle: as short as possible. Remove the medium carefully from the surface with oil of turpentine or turpentine substitute . Follow-up treatment with final or picture varnish is recommended (please wait some weeks until the picture layers has been consolidate.
Product works more efficient than oil of turpentine (50024, 50102) or turpentine substitute (50019). Apply varnish remover with a soft lint-free cloth to a small area; moisten the varnish with lightly (!) rotary motions and take it off carefully with the cloth. Observe the softening process of the colour layer. Pre-tests before use!