Walgreens has Garnier HerbaShine Hair Color on sale for just $4.99 (with in-ad coupon). Head over to Coupons.com and get this $3 off coupon.
Stack the coupons and get the Garnier for only $1.99.
Garnier HerbaShine $4.99 with In-Ad coupon
Use: $3/1 Garnier HerbaShine Color Creme printable
Final price: $1.99 after both coupons