头皮额头健康患病皮肤炎症对比商业照片

A hyper-realistic macro comparison of two scalps. Left: vibrant healthy scalp with thick strong hair strands, clean smooth skin texture, normal sebum levels. Right: damaged unhealthy scalp with thin weak hair, visible dandruff flakes, oily/shiny surface, redness irritation. Soft studio lighting, clean composition, dermatological photography style, 8K, high detail. --ar 16:9