This single-center, assessor-masked randomized trial included 204 patients with rosacea receiving standard first-line treatment at the Second Affiliated Hospital of Xi’an Jiaotong University between October 2025 and May 2026. Participants were assigned equally to active or sham acupressure groups (102 each) for 8 weeks. Both groups included 86 women (84.3%); mean ages were 32.51 and 30.82 years, respectively.

The active group applied Vaccaria segetalis seeds to both cavum conchae, areas innervated by the auricular vagus branch, while the sham group received seed placement on the auricular tubercle superior margin. Participants performed acupressure three times daily for 30 seconds, with additional pressing permitted during acute flare-ups.At Week 8, treatment success, defined as an Investigator Global Assessment (IGA) score of 0 or 1, occurred in 56.9% of the active group versus 35.3%…