Singapore's Less-Salt Campaign Turns Advice Into Participation

On 4 November, Singapore’s Health Promotion Board (HPB) and TBWA\Singapore detailed how their “Less Salt Your Way” campaign is making a simple food-order request the focus of its advertising. A surreal film called the “Mouth Library” is being extended into a November experience at HarbourFront MRT, where commuters can try different ways of asking for less salt.

The wider promotion began on 22 September and runs until 30 November 2026, with 10 million Healthpoints available through a contest and rewards initiative.

The stakes are substantial. Singapore’s Ministry of Health reported that 95% of residents exceeded the recommended daily sodium limit of 2,000mg in 2025, with average consumption reaching 4,000mg. Commonly eaten dishes sold outside the home also contained about 10% more sodium than in 2023.

The Mouth Library Makes the Request the Creative Asset

Inside the film, a hesitant diner enters a mysterious library of talking mouths. A rapper, a singer and a Korean-drama-style romantic lead each offer a different way of asking for less salt, sauce or gravy. The campaign treats the words people might say to a food seller as entertainment rather than a health warning.

Post-production studio KRAFTW5RKZ says the different mouth performances were filmed separately and composited onto the central actor. Physical props and theatrical performances help give the film a deliberately strange visual language that can carry across channels.

Loo Yong Ping, executive creative director at TBWA\Singapore, said the goal was to make the request “fun and memorable.” The practical creative choice is to give people permission to make the same request in their own style, rather than teach one approved script.

That distinction is important for public health advertising. Awareness of a recommendation and confidence to act on it are different challenges. Here, the desired behaviour is small enough to rehearse in an ad and repeat at the next meal.

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Transit Media Turns the Message Into a Rehearsal

At HarbourFront MRT this November, commuters can scan QR codes and try different mouths for themselves. Across digital and out-of-home placements, dishes and product packaging are also reimagined as speech and thought bubbles. The execution links the film’s idea to settings where people encounter food choices.

The interactive element moves the audience beyond passive viewing. It invites people to practise saying something that may feel unusual in a busy hawker centre or food court, while the outdoor placements keep that request visible in everyday routines.

Yet an interaction is not a dietary outcome. QR scans, video views and social engagement could show that the idea travelled, but they cannot by themselves establish that customers changed their orders or consumed less sodium.

Demand Creation Has a Supply-Side Limit

HPB is also working on the other side of the transaction. In its October national health survey announcement, the Ministry of Health said the board would engage central kitchens, hawker centres, coffee shops and food courts to expand lower-sodium options and improve responses to consumer requests. Singapore also plans to extend Nutri-Grade measures to major sources of sodium and saturated fat by 2028.

That makes this more than an advertising problem. Diners can ask for less sauce or salt, but operators still control recipes, ingredients and service. If a requested change is not available or consistently honoured, the campaign’s invitation has a practical limit.

For brands and public agencies across Asia, the useful principle is to connect the advertised action to the service experience. Communications can create permission and demand, but operations must be able to fulfil the promise.

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Measurement Needs to Follow the Order

The 10 million Healthpoints pool is a participation incentive, not proof that sodium intake has fallen. To evaluate the idea, HPB and its partners would need to distinguish reach, QR participation and reward entries from actual order requests, operator acceptance, repeat behaviour and changes in meal composition.

Those questions call for different evidence. Media analytics can describe exposure; surveys and observations may help assess whether people ask; participating eateries and nutritional analysis can test whether food changes. The campaign materials do not yet report those behavioural or dietary outcomes.

For CMOs and public-sector communications leaders, the decision is where to put the measurement boundary. A memorable character may earn attention, but the stronger test is whether the next ordinary exchange between diner and food seller becomes easier and produces a lower-sodium choice.