Introduction – In 2019, Santé publique France launched its first communication campaign aimed at improving public awareness of the medium- to long-term risks associated with alcohol consumption and guidelines for lower-risk drinking, with the goal of encouraging drinkers to reduce their consumption. This article presents the main findings of the campaign’s effectiveness evaluation and discusses their implications. Method – From February to October 2019, 2,538 alcohol consumers aged 18 to 75 were surveyed online on three occasions: before the campaign was launched (T0), immediately after the launch (T1), and approximately 6 months later (T2). Results – Between T0 and T1, positive interactions between exposure to the campaign and the survey wave were observed for awareness of the “maximum 2 drinks per day” guideline (adjusted odds ratio, ORa=1.32; 95% confidence interval, 95% CI: [1.08–1.62], p=0.008), and the risk of cerebral hemorrhage (ORa=1.80 [1.44–2.25], p