But, before you pick out the perfect shade for this season and your trip to the beach this weekend, check out our tips for finding healthier nail polishes, that still sparkle and shine. Big tip: search for brands that are 3-free meaning they don't contain three of the common culprits in nail polish like formaldehyde (yep, that one from high school science classes to preserve things for dissection), toluene and dibutyl phthalate.⠀ .⠀ .⠀ .⠀