Emosa via Amazon offers itsEmosa Non-Toxic Water-Based Peelable Kid-Friendly Nail Polish in Pink for $7.99. Coupon code "EVYUSG9D" cuts that to $3.99. Plus, Prime members bag free shipping. That's $6 off and the lowest price we could find. It's water-based, chemical-free (5 Free and 7 Free), and vegan. Deal ends July 14.