P/S, a toothpaste brand, created a 21-day tooth-brushing campaign for children in Vietnam, which usedartificial intelligence and augmented reality to encourage them to change their toothbrushing habits.A total of 85% of Vietnamese children suffer from tooth cavity, so P/S needed to encourage thehabit of brushing twice a day among Vietnamese children.Researchers say it takes 21 days to form a new habit, so to change children's behaviour, P/S hadto make brushing a fun activity for 21 days.P/S introduced King Leo the Lion and friends, the nightly adventure of little ones with theirfavourite characters through an AI-powered augmented reality experience to make brushing fun,which parents were encouraged to take part in through a Facebook Messenger chatbot.The brand reached over 14 million mothers to take their kids through this behaviour changejourney, leading to a 19% increase in volume per buyer and 22% growth.Campaign detailsBrand: P/SLead Agency: Mindshare VietnamRegion: APACObjectiveKids don't enjoy brushing. It appears like the most daunting task for them in the day and they always try to skiptheir night brushing.Target AudienceAs result, 85% of Vietnamese children suffer from tooth cavity.So, how can we inculcate the habit of brushing twice a day among Vietnamese kids?Creative StrategyResearchers say, it takes 21 days to form a new habit. To change their behavior, we must make brushing a funactivity for 21 days, that they would be looking forward to.ContextIntroducing 'The Adventure with King Leo and friends'. The nightly adventure of your little ones with their favoritecharacters – King Leo the Lion and friends… an AI powered Augmented Reality Experience to make brushingfun.ExecutionOverall Campaign ExecutionThrough time targeted ads in Facebook, parents were encouraged to join a 21 days challenge to build nightbrushing habit for their kids.A chatbot in Facebook messenger would personalize their adventure by capturing details like number ofchildren, their names and the time for them to brush.On the preferred time, parents would get a reminder on their mobile to kickstart the brushing adventure for theirkids.On kickstarting the journey, a rich media AR application would be invoked… where kids could become theirfavorite animal character… and learn how to brush.The AR character would ask the kids to open their mouth and teach them the right brushing techniques.Mobile ExecutionWith catchy music and interactive fun elements, the AR application would retain their attention to keep brushingfor 2 minutes.What's more, kids could choose different characters like Mountain Mike, Capitaine Jean-Fracois, MadameGreen in their adventure.Moms of those kids who interacted with the AR application with a particular character were retargeted throughcarousel ads to try other characters to build excitement in this 21-day habit building routine.Business Impact (Results)ContextThrough this 21-day adventure, kids not only would find brushing as a fun activity but also develop it as a habitfor life.EvaluationP/S reached over 14 mn moms to take their kids through this behavior change journey.Brand attribute "P/S helps your family improve brushing habit" went up by 3%. While the attribute, "P/S is likedby all member of the family" increased by 6%.(Source: Millward Brown)A positive equity for P/S helped in increasing its penetration by +130 bps in urban.Volume per buyer went up by +19% vs norm due to increase in consumption.+22% growth recorded in the 1st month itself post this campaign.(Source: Nielsen)Market ImpactMore importantly, kids now don't run away from brushing anymore. For them, brushing is now playing.