Joint Filing Agreement

Exhibit 99.1

Joint Filing Agreement

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need be filed on behalf of the undersigned with respect to the beneficial ownership of shares of Common Stock of PhotoMedex, Inc.

This Agreement may be executed in counterparts and each of such counterparts taken together shall constitute one and the same instrument.

Dated as of March 9, 2009

				Perseus Partners VII, L.P.
		By:		Perseus Partners VII GP, L.P.,
				its general partner
		By:		Perseus Partners VII GP, L.L.C.,
				its general partner
		By:		/s/ Xxxxxxx X. Xxxxx
				Name:		Xxxxxxx X. Xxxxx
				Title:		Senior Managing Director
				Xx. Xxxxx X. Xxxxx
		By:		/s/ Xxxxxxx X. Xxxxx
				Name:		Xxxxxxx X. Xxxxx
				Title:		Attorney-in-Fact for Xxxxx X. Xxxxx