Pro-V Smooth and Sleek Conditioner 24 fl oz (Pack of 3) – Link 

Amazon has this 3-pack, right now at only $5.82! (This 3-pack was selling for over $20 earlier)

Even sweeter, clip the $1 coupon below the price and checkout via Subscribe & Save for a total of just $4.52 w/free shipping = just $1.50 per bottle!

— If you have 5 or more Subscribe & Save orders, your total will be just $3.94 = $1.31 per bottle w/free shipping!