2. Drop essential balm, toilet water or white wine on the stain, drop the milk after 5 minutes, and then wash it with washing powder or soap after 5 minutes.
3. Rinse with sodium zinc solution and banana oil (or gasoline), then wash with soap and dry.
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Propylene pigment is a kind of painting pigment, which is a dispersed pigment made by dissolving polymethyl methacrylate (see acrylic resin) in mineral oil. Sometimes they are called pure propylene pigments or plastic pigments to distinguish them from polymeric pigments made of propylene and other water-soluble resins. Acrylic pigments do not turn yellow and dry quickly, and are easily washed off with mineral alcohol or turpentine. These characteristics make them suitable for paint repair and preservation to repair damaged or smeared parts.
Reference link: Baidu Encyclopedia-Acrylic Pigment