Revlon Luxurious Colorsilk Buttercream Hair Color will be on sale for 2 for $9 starting Sunday, Sept 22. Here’s how you can get 2 of these for free. Buy 2 boxes for $9. Use 2 Smart Source inserts (from 9/8) at get $3 off of each Revlon Luxurious Colorsilk Buttercream that you buy. Then you will also receive $3 Extra Bucks reward money from CVS. This gives you 2 Free boxes of Revlon Luxurious Colorsilk Buttercream Hair Color!