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Slow-drying Retarder Fluid
When acrylics are drying faster than my brain can make decisions, a slow-drying retarder is one of those tiny helpers that can save a session. I use it sparingly—just enough to keep blends open a little longer during the portrait stages where edges really matter.
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Pros
- +Slows drying time for better blending control
- +Useful for portrait gradients and soft edges
Cons
- -Easy to overdo and make the paint feel gummy
- -Can affect handling if mixed too heavily
