Fibrocell Science (FCSC) 10-Q 2008 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2008 of Isolagen, Inc. (the “Company”) as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Declan Daly, Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

• The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C 78m or 78o(d)); and

• The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: July 29, 2008	By:	/s/ Declan Daly
		Declan Daly
		(Principal Executive Officer)

A signed original of this written statement required by Section 906 has been provided to Isolagen, Inc. and will be retained by Isolagen, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.