Bonjela Junior Gel is specially formulated to relieve pain associated with mouth ulcers including those caused by braces. Suitable for children aged from 5 months to 16 years. Sugar free. Bonjela Junior Gel is specially formulated to relieve pain associated with mouth ulcers, including those caused by braces. It contains Li ine Hydrochloride, a local anaesthetic to relieve pain, and Cetylpyridinium Chloride, an antiseptic which helps to fight infections. Suitable for children over 5 months and under 16, the gel is sugar free. View the entire range of Bonjela here.