From PF facebook page:
Cathi Willis
my coupon is not fake as i got it from Physicians Formulas web site but was
told its fradulent because Physicians
Formula is not reimbursing CVS
7 hours ago ·
Physicians Formula Hi Cathi - Thanks for making us aware of this. We've
spoken to CVS and fixed the problem.
Please wait a few days before going back though to make sure all stores are
aware they should honor the coupon.
Let us know how it works out and sorry for the inconvenience.