Look like the 3 free formula is referring to free of sulfates, Phthalates and parabens
answered 4 months, 1 week ago
It's is listed as a 3-free polish. Products are free of formaldehyde, toluene, and DBP
answered 1 year, 11 months ago
I just got the system today - the polish bottle says it contains "ethyl acetate, butyl acetate, nitrocellulose propyl acetate, tosylamide/formaldehyde resin, isopropyl alcohol, triphenyl phosphate, trimethyl pentanyl diisobutyrate,"
Hope that helps!