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© 1963 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists, Vol. 14, No. 9, 443-454


NEW ASPECTS OF THE EFFECTS OF GELATIN ON FINGERNAILS
Joseph B. Michaelson , David J. Huntsman

ABSTRACT

Investigations made on the effects of orally administered gelatin reveal that gelatin increases significantly the hardness of fingernails and apparently improves nail defects in normal subjects.

The use of the technique of measuring the hardness of fingernails as a tool for evaluating the effects of gelatin (or other substances) is described.

The data is discussed in terms of a “specific” action of gelatin on fingernails possibly occurring through the metabolism of amino acids inherent in gelatin or the specific dynamic action of gelatin.

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© 1963 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists