Here is how the deal looks:
Purell 8oz $2.99
Use $1/1 Purell Advanced Hand Sanitizer, exp. 2/4/13 (SS 11/04/12)
and Use $1/1 Target Coupon
Final Price $.99
So that works out to a great deal and this is definitely the time of year to grab this.
You might also want to check out the Glade gift card deal while you are there.