Lotion is often used in daily life skin care products, so how to distinguish between good and bad, you know? Let's try these two tricks to easily distinguish between good and bad lotion.
Tools/Materials
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emulsion
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tinfoil
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cup
Methods/Steps
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Method 1: Put a few drops of lotion in a glass of water.
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It can be seen that A emulsion floats on the surface of the water and B emulsion sinks on the bottom.
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This article is based on experience
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Avoid lotions that float and become cloudy.
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Method 2: On two sheets of tin foil, drizzle the emulsion on each.
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Set it on fire.
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Good emulsions, it is easy to evaporate, because the water factor is more, and poor emulsions, on the contrary, will not evaporate.