Scene 1 (3 seconds): Close-up of skin cells under a laboratory microscope, switching to the label on a skincare product bottle. Subtitle: "Skincare products medicines, remember these medical facts!" Scene 2 (5 seconds): A doctor examines the skin with a magnifying glass, paired with a comparison image (healthy skin vs allergic skin). Voiceover: " Sensitive skin should be cautious with products containing alcohol and fruit acids, as they can irritate the barrier; Functional products need to be gradually tolerated to avoid the risk of 'skin