Highlighting functional changes in the structure of the epidermis and the stratum corneum, this book presents overviews of clinical and consumer testing approaches together with ex vivo evaluation procedures. It covers key aspects of personal moisturizing and washing products, such as efficacy and formulation of moisturizing ingredients, safety and regulatory guidelines involved in the formation of skin-improving technologies, development of new products, and effects of consumer testing approaches. The book explores the science behind formulating a moisturizer and uses it to the criteria for evaluating and recommending moisturizers.... of the product (e.g., aage-defyinga or apore-refininga), and even by the courtesy instructions and warnings that ethically accompany moisturizers that may irritate ... For example, asking Did you experience any pleasant or unpleasant sensations after using the product for two weeks? is balanced and ... Brief stinging may be a signal of a producta#39;s efficacy, i.e., that it is working to smooth or exfoliate the skin.
|Author||:||James J. Leyden, Anthony V. Rawlings|
|Publisher||:||CRC Press - 2002-02-26|