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Herman Bogaty, BS; Frank E. Dunlap, MD

Arch Dermatol. 1970;101(3):348-351.

Abstract
Infrequent reports of matting and tangling of hair with uncertain etiology have been published. This paper ascribes this phenomenon to "felting," a physical compaction common to most animal fibers and derived from the unique morphological, frictional, and mechanical properties of such fibers. A laboratory method for felting hair is described. Felting is experimentally enhanced by increased duration of mechanical action, by treatment with bleaching and waving solutions, and with fine or dense hair. Cosmetic cationic lubricants decrease the matting tendency while variations in shampoo composition are without effect in those examined.

Author Affiliations
From the Toni Company (Gillette) (Mr. Bogaty); and the Department of Dermatology, Northwestern University Medical School, Chicago (Dr. Dunlap). Mr. Bogaty is currently with the Warner-Lambert Research Institute, Morris Plains, NJ.

Footnotes
Accepted for publication Nov 12, 1969.

Reprint requests to the Toni Company, Technical Information Department, 456 Merchandise Mart, Chicago 60654 (Dr. Dunlap).

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