Exhibit 31.2
                                                                 ------------
                                 CERTIFICATION

    I, Robert W. Schnitzius,  Vice President and  Chief Financial Officer  of
 Carrington Laboratories, Inc., certify that:

 1.  I have reviewed this report on Form 10-K of Carrington Laboratories,
 Inc.;

 2.  Based on my knowledge, this annual  report does not  contain any  untrue
 statement of a material fact or omit to state a  material fact necessary  to
 make the  statements made,  in light of the circumstances under  which  such
 statements were made,  not misleading with respect to the period covered  by
 this annual report;

 3.   Based on  my knowledge,  the financial statements, and other  financial
 information included in this report, fairly present in all material respects
 the  financial condition,  results  of operations  and  cash  flows  of  the
 registrant as of, and for, the periods presented in this report;

 4.   The registrant's other certifying officer  and  I are  responsible  for
 establishing and maintaining  disclosure controls and procedures (as defined
 in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have:

      a)   Designed such disclosure controls and procedures,  or caused  such
 disclosure controls and procedures to be designed under our supervision,  to
 ensure that material information relating  to the  registrant, including its
 consolidated subsidiaries,  is made  known  to us  by  others  within  those
 entities, particularly  during  the period in  which this  report  is  being
 prepared;

      b)  Evaluated the effectiveness of the registrant's disclosure controls
 and procedures  and  presented  in this report  our  conclusions  about  the
 effectiveness of the  controls and procedures, as of the end  of the  period
 covered by this report based on such evaluation; and

      c)   Disclosed in this  report any change in the registrant's  internal
 control over financial reporting that occurred during the registrant's  most
 recent fiscal  quarter that has materially affected, or is reasonably likely
 to  materially  affect,  the  registrant's  internal  control over financial
 reporting; and

 5.  The registrant's other certifying officer and I have disclosed, based on
 our most recent evaluation  of internal control over financial reporting, to
 the  registrant's auditors and the audit committee of the registrant's board
 of directors (or persons performing the equivalent functions):

      a)   All significant deficiencies and material weaknesses in the design
 or  operation  of  internal  control  over  financial  reporting  which  are
 reasonably likely to adversely affect the registrant's  ability  to  record,
 process, summarize and report financial information; and

      b)   Any fraud,  whether or not material,  that involves  management or
 other employees who have  a significant  role in the  registrant's  internal
 control over financial reporting; and


 Dated:  March 30, 2006        /s/ Robert W. Schnitzius
                               -----------------------------------
                               Robert W. Schnitzius
                               Vice President and Chief Financial Officer
                               (principal financial and accounting officer)