of cosmetics on the skin pigment and recommended the appropriate ingredients that were safe to use and those that were harmful like mercury, sodium stearate, synthetic wax and acrylates copolymer.
Poucher, William. Perfumes, Cosmetics and Soaps. Journal on Synthetic Cosmetics 10.2 (1932): 56. Print.
The author in his journal, Poucher’s Perfumes, Cosmetics and Soaps volume 2, brought some insights on the production, manufacture and application of cosmetics including Maybelline. He also drew a contrast with the modern convention of synthetic cosmetics. He did his series of research in Amazon University with the help of college students in the department of chemistry
Williams, Smith. Mascara: The Liquid Eyeliner. Florida: Bettie Books Publishing, (2010). Print.
An author and professor in the University of Liverpool, he did his research at Brown University and found that Maybelline made the eyelashes appear darker and to some degree grow faster. He pointed out that the major setback the company faced in the 1930s was the negative attitude that people had towards it after it being associated with immoral characters.