Watch for Herbal Essence Shampoo on clearance at Target. I spotted some on clearance for 50% off at one of my stores (Renton, WA). Use the $3/2 coupon and you can pick up 2 for FREE if you find the same markdown at your store.
Herbal Essence Shampoo $1.48 (clearance) ~ Buy 2
$3/2 coupon from 8/5 Red Plum insert
Final Price = 2 FREE