From April 19, 2013 - April 26, 2013 (11:59PM EST), exchange your old colors for non-toxic ZOYA Nail Polish for only $4 per bottle plus shipping and handling. ZOYA will even properly dispose of your bottles for you!
This is what you need to do:
From 04/10/13 – 04/26/13 you can use code ZOYAEARTH2013 at ZOYA to get a 50% discount! 6 bottles must be bought and no more than 24 bottles of polish.
Go to ZOYA and pick out your must have polishes (excludes all Zoya PixieDust™ Collection shades) and add them to your cart. You should see all the discounts reflected if you picked at least 6 bottles! Have fun! There are so many gorgeous colors out right now!