HABA original water-based nail colors are additive-free and won't stain nails like common nail polish. Contains natural, inorganic coloring agents, and natural nail strengthener, calcium pantothenate which is vitamin B5 water soluble, promoting normal growth and nail flexibility so nails crack less. Formaldehyde-free, toluene-free and dibutyl phthalate-free. Gentle, smooth & dry quickly for a clean finish.