Exhibit 31.2

Certification of Principal Financial OfficerPursuant to
Section 302 of theSarbanes-Oxley Act of 2002

I, John E. Yetter, certify that:

1.    
          I have reviewed this annual report on Form 10-KSB of Derma Sciences, 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 annual report, fairly present in all material respects the
          financial condition, results of operations and cash flows of Derma Sciences,
          Inc. as of, and for, the periods presented in this annual report;

4.    
          Derma Sciences, Inc.s other certifying officers and I are responsible for
          establishing and maintaining disclosure controls and procedures (as defined in
          Exchange Act Rules 13a-14 and 15d-14) for Derma Sciences, Inc. and have:

a)       
          designed such disclosure controls and procedures to ensure that material
          information relating to Derma Sciences, Inc., including its consolidated
          subsidiaries, is made known to us by others within those entities, particularly
          during the period in which this annual report is being prepared;

b)       
          evaluated the effectiveness of Derma Sciences, Inc.s disclosure controls
          and procedures as of a date within 90 days prior to the filing date of this
          annual report (the Evaluation Date); and

c)       
          presented in this annual report our conclusions about the effectiveness of the
          disclosure controls and procedures based on our evaluation as of the Evaluation
          Date;

5.    
          Derma Sciences, Inc.s other certifying officers and I have disclosed,
          based on our most recent evaluation, to Derma Sciences, Inc.s auditors and
          the audit committee of registrants board of directors (or persons
          performing the equivalent functions):

a)       
          all significant deficiencies in the design or operation of internal controls
          which could adversely affect Derma Sciences, Inc.s ability to record,
          process, summarize and report financial data and have identified for the
          registrants auditors any material weaknesses in internal controls; and

b)       
          any fraud, whether or not material, that involves management or other employees
          who have a significant role in Derma Sciences, Inc.s internal control over
          financial reporting;

6.    
          Derma Sciences, Inc.s other certifying officers and I have indicated in
          this annual report whether or not there were significant changes in internal
          controls or in other factors that could significantly affect internal controls
          subsequent to the date of our most recent evaluation, including any corrective
          actions with regard to significant deficiencies and material weaknesses.

|Dated:  March 30, 2004 | /s/ John E. YetterJohn E. Yetter, CPA
     Vice President and Chief Financial Officer(Principal Financial Officer)
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