Exhibit 32.1

                               KYZEN CORPORATION

                           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 Report of Kyzen Corporation (the "Company") on
Form 10-QSB for the quarter ended June 30, 2003, as filed with the Securities
and Exchange Commission on the date hereof (the "Report"), I, Kyle J. Doyel,
Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. ss.
1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

         (1)      The Report fully complies with the requirements of section
13(a) or 15(d) of the Securities Exchange Act of 1934; and

         (2)      Information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.




Date:   August 14, 2003                              /s/ Kyle J. Doyel
                                                     -----------------------
                                                     Kyle J. Doyel
                                                     Chief Executive Officer

This certification shall not be deemed "filed" for purposes of Section 18 of
the Securities Exchange Act of 1934, as amended, or otherwise subject to
liability pursuant to that section. Such certification shall not be deemed to
be incorporated by reference into any filing under the Securities Act of 1933,
as amended, or the Securities Exchange Act of 1934, as amended, except to the
extent that the registrant specifically incorporates it by reference. A signed
original of this written statement required by Section 906, or other document
authenticating, acknowledging, or otherwise adopting the signature that appears
in typed form within the electronic version of this written statement required
by Section 906, has been provided to Kyzen Corporation and will be retained by
Kyzen Corporation and furnished to the Securities and Exchange Commission or
its staff upon request.