The updated HFSS ad guidelines, and what they mean for marketers

In January 2026, the UK’s guidelines on advertising HFSS (high-fat, salt or sugar) products tightened, forcing brands, agencies, and influencers to rethink and re-strategise on how they promote these products to the public. Today, we’re here to break down the latest HFSS legislation, and most importantly, what it means for you as a brand marketer, marketing agency, or influencer. Keep on reading to find out more.