Microbiology testing is a key factor of cosmetic products safety and quality. TNTH test the Raw materials as well the formulated cosmetic products to ensure the quality before usage as per IS 14648:2011, titled “Microbiological Examination of Cosmetics and Cosmetic Raw Materials — Methods of Test,” and BIS standards. Additionally, BIS has set specifications for various cosmetic products, such as skin creams under IS 6608:2004, which include requirements for microbial limits to ensure product safety.