Age-related changes in sebaceous wax ester secretion rates in men and women

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Abstract

Sustainable rates of sebaceous wax ester secretion were measured on the foreheads of 109 men and 167 women, aged 15-97. Each measurement was made after first depleting the cutaneous sebum reservoir by overnight absorption of lipid into a layer of bentonite clay. Lipid was then absorbed for 3 h into fresh clay in which two 2-cm cloth disks were embedded. The absorbed lipid was extracted from the disks with ether and analyzed for wax esters by thin-layer chromatography. For both men and women there was a wide range of wax ester secretion rates at all ages. Rates were highest in the 15- to 35-year-old and appeared to decline continuously throughout the adult age range. Values of log(wax esters) were better correlated with age than the untransformed values of wax ester secretion. The equations of best fit of log(wax esters) vs age suggested that sebum secretion declines about 23% per decade in men and 32% per decade in women.

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APA

Jacobsen, E., Billings, J. K., Frantz, R. A., Kinney, C. K., Stewart, M. E., & Downing, D. T. (1985). Age-related changes in sebaceous wax ester secretion rates in men and women. Journal of Investigative Dermatology, 85(5), 483–485. https://doi.org/10.1111/1523-1747.ep12277224

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