Sources:
1. Imperato-McGinley J, Guerrero L, Gautier T, Peterson RE. Steroid 5alpha-reductase deficiency in man: an inherited form of male pseudohermaphroditism. Science. 1974;186(4170):1213-1215. doi:10.1126/science.186.4170.1213
2. Stamatiadis D, Bulteau-Portois MC, Mowszowicz I. Inhibition of 5 alpha-reductase activity in human skin by zinc and azelaic acid. Br J Dermatol. 1988;119(5):627-632. doi:10.1111/j.1365-2133.1988.tb03474.x
3. Imperato-McGinley J, Gautier T, Cai LQ, Yee B, Epstein J, Pochi P. The androgen control of sebum production. Studies of subjects with dihydrotestosterone deficiency and complete androgen insensitivity. J Clin Endocrinol Metab. 1993;76(2):524-528. doi:10.1210/jcem.76.2.8381804
4. Thiboutot D, Harris G, Iles V, Cimis G, Gilliland K, Hagari S. Activity of the type 1 5 alpha-reductase exhibits regional differences in isolated sebaceous glands and whole skin. J Invest Dermatol. 1995;105(2):209-214. doi:10.1111/1523-1747.ep12317162
5. Bayne EK, Flanagan J, Einstein M, et al. Immunohistochemical localization of types 1 and 2 5a-reductase in human scalp. British Journal of Dermatology. Published online 1999.
6. Thiboutot D, Gilliland K, Light J, Lookingbill D. Androgen Metabolism in Sebaceous Glands From Subjects With and Without Acne. Archives of Dermatology. 1999;135(9):1041-1045. doi:10.1001/archderm.135.9.1041
7. O’goshi K, Iguchi M, Tagami H. Functional analysis of the stratum corneum of scalp skin: studies in patients with alopecia areata and androgenetic alopecia. Arch Dermatol Res. 2000;292(12):605-611. doi:10.1007/s004030000185
8. Lee W, Jung H, Chi S, et al. Effect of dihydrotestosterone on the upregulation of inflammatory cytokines in cultured sebocytes. Archives of dermatological research. 2010;302:429-433. doi:10.1007/s00403-009-1019-6
9. saif GAB, Ericson ME, Yosipovitch G. The Itchy scalp – scratching for an explanation. Exp Dermatol. 2011;20(12):959-968. doi:10.1111/j.1600-0625.2011.01389.x
10. Vázquez-Herrera NE, Sharma D, Aleid NM, Tosti A. Scalp Itch: A Systematic Review. Skin Appendage Disord. 2018;4(3):187-199. doi:10.1159/000484354
11. Crocco EI, Bonifácio EB, Facchini G, et al. Modulation of skin androgenesis and sebum production by a dermocosmetic formulation. Journal of Cosmetic Dermatology. 2021;20(1):360-365. doi:10.1111/jocd.13503
source
