Hopscotch Kids™ WaterColors is the premier non-toxic, kid-friendly alternative to solvent-based nail polish. They have leapfrogged into the next generation formula with a richer consistency for smoother application and better coverage. Their water-based formula is free of the harsh, smelly chemicals that most nail polishes contain, helping condition your little one's nails with long-lasting, vibrant color. Hopscotch Kids contains none of the chemicals found in typical nail polish. They are "3 Free" as well as free of ethyl acetate, butyl acetate, nitrocellulose, acetone, and heavy metals. We are truly non-toxic.