Contract

Exhibit 10.13

X.X. XXXXXX COMPANY

(000) 000-0000

(000) 000-0000 FAX

July 6, 2004

Xx. Xxxxxx Xxxx

SKIN MEDICA, INC.

0000 Xxx Xxxx Xxxxx, Xxxxx X

Xxxxxxxx, XX 00000

Re: Letter Agreement – Skin Medica, Inc., 0000 Xxx Xxxx Xxxxx, Xxxxxxxx, XX 00000

Dear Xxxxxx:

This letter agreement (“Agreement”) shall document and confirm X.X. Xxxxxx Company’s (“Landlord’s”) consent to modify the Expiration Date for the Lease at the above-referenced Premises. Skin Medica’s (“Tenant’s”) Lease at Suite H is currently scheduled to expire on May 31, 2006, whereas the other two spaces occupied by Tenant at the Project are scheduled to expire on March 31, 2006. In order to provide for a co-terminus expiration date for all of Tenant’s spaces at the Project, Landlord agrees to adjust the Expiration Date at Suite H to now expire on March 31, 2006.

If Skin Medica, Inc. agrees with the above, please so indicate by signing and returning a copy of this letter, which shall thereafter have the force and effect of an amendment to the Lease for purposes of clarifying the provisions set forth above.

Sincerely,

X.X. XXXXXX COMPANY

/s/ Xxxxx X. Xxxxxx

Xxxxx X. Xxxxxx

Leasing Representative

The foregoing is hereby acknowledged and agreed to:

/S/ ILLEGIBLE

Skin Medica, Inc.

cc:		Xxxxxx Xxxxxx, Property Manager
		X.X. Xxxxxx Company, Accounting Department

0000 Xxxxxxxxxxxx Xxxxx

Xxx Xxxxx, XX 00000