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. 2017 Feb 24;3(1):53–57. doi: 10.1016/j.ijwd.2017.01.001

Table 1.

Androgen-metabolizing enzymes in the pilosebaceous unit

Dermal Papilla Aromatase, 17β-HSD, 5α-reductase (type II)
Outer Root Sheath Aromatase, 17β-HSD, 5α-reductase (types I & II)
Inner Root Sheath Aromatase, 5α-reductase (types I & II)
Sebaceous Gland Aromatase, 5α-reductase (type I)
Sebaceous Duct 5α-reductase (type II)

17β-HSD, 17β-hydroxysteroid dehydrogenase.