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Water Quality in Cosmetic Products

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  • Water Quality in Cosmetic Products

One of the most important components used in the cosmetic industry is water. In the guides on the microbiological control of cosmetic products, it is explained that water should be tested continuously in terms of microorganism growth because water is one of the most used cosmetic product components.

Water Quality in Cosmetic Products

The water used in cosmetics should be low so as not to affect the microbiological quality of the product. At the same time, the type of the water should not impair the quality and structure of the cosmetic products. The water used in cosmetics is expected to be at least drinking water quality. Bacteria limit in packaged water is 200 CFU/ml at 37°C.

In the United States Pharmacopoeia (USP) and other relevant pharmacopeias, the total bacterial count for pure water used in pharmaceutical products should not be more than 100 cfu/ml. Recently, cosmetic products are required to meet similar production criteria with pharmaceutical products. These limit values can be provided with the requirements such as filtration, UV etc.

The water must not contain pathogenic bacteria due to both GMP criteria and other production hygiene requirements. Escherichia coli, Pseudomonas aeruginosa and Total coliform bacteria are undesirable pathogens.

Lower microbial load of the water used means lower the microbial load of the product. The microbiological quality of the water used for shampoos, lotions, creams and other water-containing products is very important. The maximum limit value for water used in this type of product is 100 or 200 CFU/ml. If these limit values are met, the microbial quality of the cosmetic product is increased.


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