THE 20-MINUTE RATE OF SEBACEOUS SECRETION IN THE FOREHEAD

[摘要] Determinations were made in 10 elderly subjects of the 20-minute rate of sebaceous secretion in the central region of the forehead. Experiments were conducted over a period of 7 hours and revealed an initial lipid secretion of 31 [mu]g/cm2/20 minutes after 6 hours. In agreement with previous observations on elderly persons the sebaceous secretion was lower in the women (average, 11 [mu]g/cm2/20 min) than in the men (average, 27 [mu]g/cm2/20minutes).