Open Package Stability Test
Stability tests in cosmetic products; It is carried out as long-term, short-term and open package stability. Long-term and short-term stability tests are the test parameters applied in order to have information about the shelf life of cosmetic products.Open packaging stability test, on the other hand, aims to determine how long the package of the cosmetic product can be used by the consumer after opening. It is important to determine the shelf life of cosmetic products due to direct contact with the skin. Physical, chemical and microbiological changes that may occur after a certain period of time may cause some skin problems.
While performing the stability test of the open package, the time that the cosmetic product can be used after opening is determined by considering the physical, chemical and microbiological changes.