Bonjela Teething and Mouth Ulcer Gel (15g). Bonjela gel is an antiseptic pain relieving gel which can help prevent minor mouth infections. Its local anaesthetic action acts quickly to relieve pain and soothe sore gums.. Fast acting, soothing relief from teething. antiseptic pain relieving gel which can help prevent minor mouth infections. Its local anaesthetic action acts quickly to relieve pain and soothe sore gums.. Not suitable for babies under 4 months. Sugar free
