High-resolution scientific talking-head video,
fixed camera, locked framing, upper body visible,
no camera movement,
professional laboratory lighting optimized for short-video platforms,
global brightness intentionally elevated,
facial skin exposure locked as absolute priority,
no overexposure, no clipped whites,
highlights preserved on face and lab surfaces,
full laboratory environment visible and clear,
background brightness capped below facial exposure,
no blown highlights anywhere in frame,
female researcher @liuyan7,
wearing white lab coat and white shirt,
clean, professional, scientific appearance,
facial skin in ideal healthy condition,
skin smooth, elastic, hydrated, refined,
fine lines visually softened by lighting,
no emphasized wrinkles,
complexion corrected to remove yellow or gray cast,
fair skin with healthy pink undertone,
white-and-pink clarity, translucent and bright,
skin looks clean, even, and youthful,
natural skin only, no makeup, no lipstick, no blush,
skin quality achieved by lighting and exposure only,
no beauty filter, no artificial smoothing,
image sharp, high micro-contrast,
facial details clear even after platform compression,
no blur, no haze,
@liuyan7 looks directly into camera and speaks provided script only, “A醇走脂质体缓释，百分之0.1到0.25分段释放，两条路径不打架，再用泛醇和神经酰安都底稳屏障。”光影温暖，突出专业与安心感。
微距视角切入皮肤纹理，A醇包裹在缓释球中，逐层渗透至角质层，时间轴标注“0.1–0.25% 分段释放”。另一侧泛醇与神经酰胺如护盾展开，形成蓝色屏障光效。 @liuyan7 面对镜头，背景从分子结构渐变为健康肌肤，语气坚定 不出现汉字，只有动画演示