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Originally Posted by Richard Bingham
Adding wax to a "final varnish" is questionable on a number of levels. First would be the question whether the varnish chosen and wax are compatible. Damar and pure beeswax is a compatible mixture. The problem is the result is a varnish that is malleable, attracts dirt in its own right, and is much softer than damar alone.
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Richard, I found this out the hard way, but not consistently and not with Damar. I've used Gamvar with cold wax as the directions said. One came out beautiful. The other one was fine when I applied it, but later attracted all sorts of dust. It had darker tones, so maybe that was part of the problem - that the dust showed up worse?
I have one painting I will have to varnish in late March or so. It's got a lot of dark tones to it, and I am guilty of having used too much retouch varnish (Winsor-Newton). I'm concerned that Gamvar over retouch may not spread evenly - had this problem once before in a similar situation. Do you have any recommendations?