Nuby Teething GelNuby Teething Gel is formulated to be natural and safe if swallowed. The Gel is Benzoncaine, Belladonna and Paraben Free. It is non toxic and 99. 999% effective against germs, including oral bacteria. Provides fast acting pain relief and lasts up to 4 hours. The Gel soothes sensitive gums, guards against infection and helps prevent tooth decay. Suitable for 4m+ Features and Benefits: Provides Fast acting oral pain relief which lasts up to 4 hours