P 1 in 5 people in the uk suffer from recurring mouth ulcers. They are mainly caused by damage to the lining in your mouth as a result of accidently biting your inner cheeks, aggressive tooth brushing or poorly fitted dentures. Also, having anxiety, stress, cold or flu symptoms can make you more susceptible to mouth ulcers. P p the lloydspharmacy mouthulcerclear advance is an innovative treatment which uses red light therapy. P p mouthulcerclear advance p p br 45 can be used alongside traditional treatments for maximum relief br 45 use only 3 times a day to help reduce symptoms br 45 quick, easy and convenient to use p p pack contents p p 45 mouthulcerclear advance br 45 user manual br 45 requires x 2 aaa batteries not included p p thor products are used by therapists to british olympic teams and the british armed forces. P p please read the enclosed user manual carefully before use. P p model number llmu1 p