Bitter Nail Solution with Bitrex: Stops biting of nails and cuticles. Helps enhance natural beauty of nails. Inoffensive, deters children from thumbsucking (children over 36 months). Totally invisible. Extremely bitter, if this product doesn’t stop you from biting your nails, nothing will! 100% Vegan – Cruelty Free – 12 Free free from: formaldehyde, toluene, DBP (dybutil phtalate), formaldehyde resin, camphor, xylene, ethyl tosylamide, parabens, rosin, gluten, methylisothiazolinone (MIT) and acetone Indications Problems of nail/cuticle biting and thumbsucking Suitable for fragile or normal nails Instructions for use Apply a coat of Bitter Nail Solution once daily to the nails or as often as necessary. Not for children under 36 months.