all of them, will yellow with time. varnishes and glosses are polymer compounds, whether natural or synthetic, and will all yellow and crackle.
Oil paint is good stuff, but so many colors are either toxic or mildly radioactive. Cobalt Blue, chromium red, lead white, etc etc. death from art
it follow3s the dictum that Bukowski said when he said "find out what you love and let it kill you."
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