To convert into or treat as an emulsion; to cause two unmixable liquids to form a stable, uniform mixture.
From emulsion (a mixture of two immiscible liquids) + -ize (suffix forming verbs meaning to make or cause to become).
Modern cosmetic chemists emulsionize complex blends of ingredients—they're essentially solving the same problem ancient peoples faced when they first mixed oils with water-based ingredients for skincare.
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