How to differentiate authentic rosemary oil with adulterated ones
Siddhartha Jana
Add a few drops of rosemary oil to water; if it floats and results in droplets, it's probably genuine, but if it dissolves rapidly, it could be fake.
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Check the colour and viscosity; true rosemary oil is thin, fluid, and pale yellow, whereas thicker or darker oils may contain chemicals.
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Examine product labels for additional ingredients or vague phrases such as "fragrance oil," which may suggest contaminants.
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Pure rosemary oil has a robust, woody, and herbaceous perfume; if the scent is too sweet or faint, it could be fake.
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Genuine essential oils should be non-greasy and soak swiftly into the skin; a greasy feel indicates the presence of carrier oils or synthetic ingredients.
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Look for rosemary oil in dark glass bottles, as light can destroy essential oils; avoid oils in plastic or clear containers.
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Check the expiration date on the box, as expired rosemary oil can cause adverse reactions such as itching, redness, and swelling.
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Blot test a drop on paper; true rosemary oil will evaporate without leaving an oily trace, but adulterated oil will leave a stain.