EXHIBIT 10.4(f)

                                   ASSIGNMENT

         WHEREAS,  I, Mark L. Witten, a citizen of the United States of America,
residing at 7032 E. Rosewood St., Tucson,  Arizona 85710;  have invented certain
new and useful  improvements in INDUCING AND MAINTAINING  HAIR COLOR for which a
provisional  patent application was filed on April 18, 2005, and accorded Serial
No. PCT/US05/13112, and

         WHEREAS, ImmuneRegen BioSciences, Inc., a Delaware corporation having a
place of'  business  at 4021 N. 75th St.,  Suite 201,  Scottsdale,  Arizona,  is
desirous  of  acquiring  the  entire  right,  title and  interest  in and to the
aforesaid invention and in and to any Letters Patent of the United States or any
foreign country which (may be granted therefor;

         NOW THEREFORE, for good and valuable consideration, I, Mark. L. Witten,
by these presents do sell , assign,  and transfer unto ImmuneRegen  Biosciences,
Inc., its successors,  legal  representatives and assigns, our full right to the
said invention as described in the said application, and our entire right, title
and  interest  in and to any  and  all  Letters  Patent,  which  may be  granted
therefore in the United States and its  territorial  possessions  and in any and
all  foreign  countries  and  in  and  to  any  and  all  divisions,   reissues,
continuations and extensions thereof;

         AND I HEREBY  authorize  and  request the  Commissioner  of Patents and
Trademarks  or' any other  proper  officer or agency of any country to issue all
said Letters Patent to said assignee;

         AND I HEREBY  warrant and covenant  that I have full right to convey my
entire  interest  herein  assigned  and  that I have not  executed  and will not
execute any instrument or assignment in conflict herewith;

         AND  I  HEREBY   agree  to   communicate   to  said   assignee  or  its
representatives any facts known to us respecting said invention,  to execute all
divisional,  continuation,  reissue  and foreign  applications,  sign all lawful
documents and make all rightful oaths relating to said invention, and to testify
in any  judicial  or  administrative  proceeding  and  generally  do  everything
possible to aid the said  assignee to obtain and enforce said Letters  Patent in
the  United  States  or any  foreign  country  when  requested  so to do by said
assignee.

         IN WITNESS WHEREOF, I have hereunto set my hand and seal.




Date: _________________                 Inventor: __________________________
                                                        MARK L. WITTEN