Looking to change your hair color? Grab a nice deal on Garnier Olia hair color this week at CVS. Through 8/20, purchase two boxes of Garnier Olia, on sale for $7.99, and receive $4.00 Extrabucks. Use one $5.00/2 manufacturer coupon from the 7/31 Red Plum insert to pay only $3.49 per box. That’s over $5.00 in savings!