has The Original Mane 'n Tail Herbal Gro Shampoo (12 fl. oz. Bottle) for $2.96
with free shipping on $25+ or with Prime. Dollar General
has it for $3 (plus $5 shipping). Yes, for people, too!
The 1-Gallon Mane n' Tail and Body Shampoo
+ $5 shipping).