—and Why Rock Salt Is the Safer Alternative
For centuries, sea salt has been perceived as a natural and wholesome ingredient for human consumption. However, in today’s world, this perception is rapidly changing due to a growing environmental issue: microplastic contamination.
Microplastics: An Invisible Threat in Sea Salt
Numerous scientific studies worldwide have confirmed that sea salt contains measurable levels of microplastics. This contamination is a direct consequence of plastic pollution accumulating in oceans globally.
Microplastics are extremely small and cannot be removed through traditional salt production processes. As a result, they enter the human body through daily food consumption—particularly in foods that rely heavily on salt, including fermented and preserved products.
Sea Salt Belongs to Industry, Not Food
Given this reality, sea salt should no longer be used as an ingredient in food or food preservation.
Instead, it is far more suitable for industrial applications, such as:
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Caustic soda production
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Chlorine production
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Basic chemical industries
These applications do not pose direct risks to human health.
Rock Salt: A Cleaner, Safer Choice for Food
In contrast, rock salt is derived from ancient underground brine sources that have been naturally sealed beneath the earth for millions of years—completely isolated from modern marine pollution.
Key advantages of rock salt include:
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Free from microplastics
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No industrial or environmental contaminants
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No chemical processing
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High purity and stability, ideal for food processing and long-term fermentation
Because of these properties, rock salt is especially well-suited for:
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Cooking and seasoning
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Processed foods
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Fermented and preserved foods (pickles, cured fish, fish sauce, shrimp paste)
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Food industries requiring high safety standards
Time for Consumers to Rethink Salt
Choosing salt today is no longer just about taste—it is a decision that directly affects long-term health.
Switching from sea salt to rock salt means choosing:
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Purity
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Safety
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Chemical-free, contaminant-free food
It also reflects a more responsible use of natural resources in a polluted world.
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