Amazon has the 3-Pack Revlon Colorsilk Permanent Beautiful Color Hair Color Dye with 3Keratin and Amino Acids (select colors) for $10.47 - 5% off with Subscribe & Save (can cancel anytime) - 35% off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $6.29 with free shipping on $35 or with Prime.