This collection of 11 articles describes methods used to demonstrate performance claims for hair and skin care products. Also described are methods for substantiating such properties as moisturization, mildness, conditioning, and cleansing; the performance of deodorants and antiperspirants; and the effectiveness of acne products. Other topics include the use of statistical analyses and consumer testing to confirm product performance, and the regulatory aspects of cosmetic claims substantiation. Annotation c. by Book News, Inc., Portland, Or.
