Preservative Testing in Cosmetics

According to the limits specified in the Cosmetic Products Regulation, the analysis of preservative substances that are required to be present or absent has become mandatory. In our laboratory, qualitative and quantitative analyses are performed in accordance with the ISO/IEC 17025 standard, based on standards, regulations, and legal requirements published by national and international organizations.

The main preservative analyses include:

• CIT/MIT Content Determination (Methylchloroisothiazolinone/Methylisothiazolinone)
• 2-Phenoxyethanol Content Determination
• Benzoic Acid and Sorbic Acid Content Determination
• Salicylic Acid Content Determination
• Sodium Benzoate Content Determination
• Potassium Sorbate Content Determination
• Nitrite Content Determination