Detecting the presence of propylene glycol
in cosmetic products is for safety purposes. Many are allergy to this compound
and have irritation from exposure to it. Using this GC method is a good way to
determine whether the product contain propylene glycol and therefore, suggest
customers that have allergy to avoid using it. This analytical method has high
sensitivity, reproducibility and precision for detection of Propylene glycol in
cosmetic products, hence, it is a favorable method for this analysis.
However, this method does not aid in differentiating particulate matter and vapor. Therefore, more research has to be done to find a more effective method to differentiate it and to detect propylene
glycol; also on the effects of propylene glycol on different individuals.
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