Why was this study done? Measuring the ability of a substance to clean hair is an important step in optimizing hair care formulas during formulation. This study was designed to test differing evaluations of shampoo detergency. What did the study find? The study describes a process whereby shampoos can be rated for efficacy in cleaning…
Why was this article written? Creating good personal care products requires both an understanding of science and an appreciation for art of combining ingredients. Salon Testing: Art or Science? Authors: Whittam J. Cosmetics and Toiletries, 1988. 103: p. 43-6.PDF Article: Cosmetics and Toiletries, 1988.
Why was this paper written? Clinical testing requirements for personal care products (skin cleansers, moisturizers, skin treatment products, shampoos, soaps, etc.) are very different from most other products in the U.S. consumer marketplace. These differences dictate the way in which claim substantiation testing of personal care products is carried out. Since personal care products fall…