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.