Attached files

file filename
EX-31.1 - EX-31.1 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-31_1.htm
EX-32.1 - EX-32.1 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-32_1.htm
EX-23.1 - EX-23.1 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-23_1.htm
EX-10.21 - EX-10.21 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-10_21.htm
EX-10.20 - EX-10.20 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-10_20.htm
EX-10.8(C) - EX-10.8(C) - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-10_8c.htm
EX-10.22 - EX-10.22 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-10_22.htm
EXCEL - IDEA: XBRL DOCUMENT - KYTHERA BIOPHARMACEUTICALS INCFinancial_Report.xls
10-K - 10-K - KYTHERA BIOPHARMACEUTICALS INCa2223273z10-k.htm
EX-31.2 - EX-31.2 - KYTHERA BIOPHARMACEUTICALS INCa2223273zex-31_2.htm

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Exhibit 21.1

List of Subsidiaries of
KYTHERA Biopharmaceuticals, Inc.

 
  Jurisdiction of Incorporation or Organization

Kythera Biopharmaceuticals (Europe) Ltd. 

  United Kingdom

Kythera Biopharmaceuticals Australia Pty. Ltd. 

  Australia

Kythera Holdings Ltd. 

  Bermuda



QuickLinks

List of Subsidiaries of KYTHERA Biopharmaceuticals, Inc.