WebJun 24, 2009 · • Trade association methods, such as the Cosmetic, Toiletry, and Fragrance Association (CTFA) method; and • Rapid methods, such as the linear regression method. Several articles have discussed similarities and differences in these test methods. WebDuration: These standard method-ologies recommend PETs that require minimum test durations of 28 days after inoculation. In the case of the CTFA and ASTM methods, an additional 28 days (i.e., a 56-day test duration) is proposed if a reinoculation step is included. The test duration requirements and sug-gested test sampling times for each of
Ctfa_microbiology_guidelines.pdf [ylygd8xq8zlm]
WebJul 30, 2015 · CTFA Method J 4-1. Asbestiform amphibole minerals in cosmetic talc. In: Nikitakis JM, McEwen GNJr, eds. Cosmetic Ingredient Test Methods. Washington, DC: … http://accugenlabs.com/about.html blood type o food diet
Federal Register :: Testing Methods for Asbestos in Talc …
WebA summary of the PCPC M-5 method is described below: A pre-determined number of wipes or towelettes are aseptically transferred to sterile containers for inoculation. Enough wipe samples are prepared such that there is a separate sample for each sampling time point for each microorganism in the test. Each set of wipes are inoculated with one of ... WebThe CTFA method is used internally by the Cosmetic, Toiletry and Fragrance American Association and recommends that S. aureus, P. aeruginosa, A. niger, yeast and bacilli spores be used. They suggest that the inoculum should be 10 6 CFU/g or mL, or 10 4 CFU/g or mL for products for the eye area. WebOct 6, 2024 · Our services include FDA, EPA, AOAC, USP, CTFA, ASTM, AATCC ,JIS , ISO and other microbiology test methods of analysis. Accugen Labs Offers full service microbiology testing. We specialize in microbiology testing to support product quality. Our over 20 years of experience in microbiology provide expertise in generating accurate test … blood type of kid based on parents