Pigment turning "blue," "red," or "gray" are excellent ways to understand pigmentology in the sense of physics, biology, and chemistry, respectively.
Read MoreYes, you can mix pigments from different brands - most professional artists do it. Do not fall for the marketing hype of some producers who suggest not to do it.
Read MoreMany have wondered how our artists, even at the start of their careers, successfully avoid brows turning grayish or blue. The secret is knowing the pigmentology and skin structure.
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