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Mica powder works beautifully with polymer clay to add metallic shimmer and vibrant color effects. How it works with polymer clay: Mix directly into clay: Blend the mica powder into raw polymer clay before baking for rich, metallic colors throughout Surface effects: Brush or roll mica powder onto the clay surface before baking for shimmer accents Bake-safe: The powder is safe for polymer clay baking temperatures (275°F)