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© 1974 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists, Vol. 25, No. 5, 253-262


Skin Moisturizers. II The Effects of Cosmetic Ingredients on Human Stratum Corneum
Martin M. Rieger , Donald E. Deem

ABSTRACT

Synopsis

The four parameters described in Part I of this study, i.e., elastic modulus, relaxation function, water absorption, and water vapor transmission, have been used to study the effect of typical COSMETIC INGREDIENTS on human STRATUM CORNEUM. The elastic modulus and the stress relaxation modulus are useful measures of the ability of various cosmetic materials to alter the VISCOELASTIC BEHAVIOR of stratum corneum. It has been demonstrated that typical cosmetic HUMECTANTS increase the rate of transepidermal water loss in vitro , and an attempt is made to explain this phenomenon.

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© 1974 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists