JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 382 (9) Suntzeff, V., and Carruthers, C., "The Mineral Composition of Human Epidermis," 7. Biol. Chem., 160, 567 (1945). (10) Cowdry, E. V., Carruthers, C., and Suntzeff, V., "Influence of Age on the Copper and Zinc Content in the Epidermis of Mice Undergoing Carcinogenesis with Methylcholan- threne and a Note on the Role of Calcium," 7. Nat. CancerInst., 8, 209 (1948). (11) McCardle, R. C., Engman, M. F., Jr., and Engman, M. F., Sr., "Mineral Changes in Neurodermatitis, Revealed by Microincineration," drch. Dermatol. $yphiloL, 47, 335 (1943). (12) Ma, C. K., and Cowdry, E. V., "Aging of Elastic Tissue in Human Skin," •7. Gerontol., 5, 203 (1950). (13) B/irger, M., and Schlomka, G., "Beitr/ige zur physiologischen Chemie des Alterns der Gewebe. IV. Untersuchungen an der menschlichen Haut," Z. exp. Med., 615, 105 (1928). (14) Nathan, E., and Stern, F., "Ueber den Mineralgehalt der Haut unter normalen und pathologischen Verh//ltnissen," Dermatol. Z., 515, 451 (1928). (15) Urbach, E., "Beitr/ige zu einer physiologischen und pathologischen Chemie der Haut. II. Mitteilung. Der Wasset-, Kochsalz-, Reststickstoff- und Fettgehalt der Haut in der Norm und unter pathologischen Verh/iltnissen," drch. Dermatol. u. Syphilis, 156, 73 (1928). (16) Tunbridge, R. E., Tattersall, R. N., Hall, D. A., Astbury, W. T., and Reed, R., "The Fibrous Structure of Normal and Abnormal Human Skin," Clin. Sci., 11, 315 (1952). (17) Weidman, F. D., "The Pathology of the Yellowing Dermatoses. I. Non-xanthomatous Jaundice, Carotinemia, Blood Pigmentation, Melanin, Colloid Degeneration and Elastic Degeneration," drch. Dermatol. Syphilol., 24, 954 (1931). (18) Montgomery, P. O., "A Characterization of Basophilic Degeneration of Collagen by Histochemical and Microspectroscopic Procedures," •7. Investigative Dermatol., 24, 107 (1955). (19) Dick, J. C., "Observation on the Elastic Tissue of the Skin with a Note on the Reticular Layer at the Junction of the Dermis and Epidermis," 7- Anat., 8i, 201 (1947). (20) Herrmann, F., "Ueber die Wasserbindung in der Haut," Z. ges. exp. Med., 76, 780 (1931). SOCIAL AND ECONOMIC ASPECTS OF SKIN GERIATRICS* By EI)WARD H•.NI)•.RSO•, M.D. Schering Corporation, Bloomfield, N. 2 •. FoR SOMe YEARS past it has been evident that the control of many diseases of youth has been leading progressively to a greater population in what is termed the older age group. It is true that a great many more people reach the age of sixty today than ever before at this point our progress has all but come to a standstill. Life insurance statistics show that the life expectancy for a man of sixty is but a trifle greater now than it was 100 years ago. In these circumstances there can be found both a problem and an extraordinary opportunity. The problem is the greater prevalence of ills peculiar to older people. The op- portunity is that of prolonging useful life far beyond the Biblical prediction of "three score and ten years." The management of specific diseases affect- ing the aged has long been under study within the several provinces of in- * Presented at the May 13, 1955, Meeting, New York City.

JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 382 (9) Suntzeff, V., and Carruthers, C., "The Mineral Composition of Human Epidermis," 7. Biol. Chem., 160, 567 (1945). (10) Cowdry, E. V., Carruthers, C., and Suntzeff, V., "Influence of Age on the Copper and Zinc Content in the Epidermis of Mice Undergoing Carcinogenesis with Methylcholan- threne and a Note on the Role of Calcium," 7. Nat. CancerInst., 8, 209 (1948). (11) McCardle, R. C., Engman, M. F., Jr., and Engman, M. F., Sr., "Mineral Changes in Neurodermatitis, Revealed by Microincineration," drch. Dermatol. $yphiloL, 47, 335 (1943). (12) Ma, C. K., and Cowdry, E. V., "Aging of Elastic Tissue in Human Skin," •7. Gerontol., 5, 203 (1950). (13) B/irger, M., and Schlomka, G., "Beitr/ige zur physiologischen Chemie des Alterns der Gewebe. IV. Untersuchungen an der menschlichen Haut," Z. exp. Med., 615, 105 (1928). (14) Nathan, E., and Stern, F., "Ueber den Mineralgehalt der Haut unter normalen und pathologischen Verh//ltnissen," Dermatol. Z., 515, 451 (1928). (15) Urbach, E., "Beitr/ige zu einer physiologischen und pathologischen Chemie der Haut. II. Mitteilung. Der Wasset-, Kochsalz-, Reststickstoff- und Fettgehalt der Haut in der Norm und unter pathologischen Verh/iltnissen," drch. Dermatol. u. Syphilis, 156, 73 (1928). (16) Tunbridge, R. E., Tattersall, R. N., Hall, D. A., Astbury, W. T., and Reed, R., "The Fibrous Structure of Normal and Abnormal Human Skin," Clin. Sci., 11, 315 (1952). (17) Weidman, F. D., "The Pathology of the Yellowing Dermatoses. I. Non-xanthomatous Jaundice, Carotinemia, Blood Pigmentation, Melanin, Colloid Degeneration and Elastic Degeneration," drch. Dermatol. Syphilol., 24, 954 (1931). (18) Montgomery, P. O., "A Characterization of Basophilic Degeneration of Collagen by Histochemical and Microspectroscopic Procedures," •7. Investigative Dermatol., 24, 107 (1955). (19) Dick, J. C., "Observation on the Elastic Tissue of the Skin with a Note on the Reticular Layer at the Junction of the Dermis and Epidermis," 7- Anat., 8i, 201 (1947). (20) Herrmann, F., "Ueber die Wasserbindung in der Haut," Z. ges. exp. Med., 76, 780 (1931). SOCIAL AND ECONOMIC ASPECTS OF SKIN GERIATRICS* By EI)WARD H•.NI)•.RSO•, M.D. Schering Corporation, Bloomfield, N. 2 •. FoR SOMe YEARS past it has been evident that the control of many diseases of youth has been leading progressively to a greater population in what is termed the older age group. It is true that a great many more people reach the age of sixty today than ever before at this point our progress has all but come to a standstill. Life insurance statistics show that the life expectancy for a man of sixty is but a trifle greater now than it was 100 years ago. In these circumstances there can be found both a problem and an extraordinary opportunity. The problem is the greater prevalence of ills peculiar to older people. The op- portunity is that of prolonging useful life far beyond the Biblical prediction of "three score and ten years." The management of specific diseases affect- ing the aged has long been under study within the several provinces of in- * Presented at the May 13, 1955, Meeting, New York City.