A premium vertical product poster for a fictional natural skincare brand "DEW". Center a single frosted glass serum bottle with a gold dropper cap slightly below center on a seamless soft mint-green background, a delicate water droplet mid-fall from the dropper, scattered fresh eucalyptus leaves and soft bokeh light. Large bold white stacked headline "PURE / GLOW" behind the bottle, slim vertical left label "HYALURONIC + VITAMIN C SERUM", bottom line "NATURAL, LIGHTWEIGHT, RADIANT." Strong clean directional light, glossy bottle and droplet highlights, elegant shadow. Cannes-level luxury beauty advertising, ultra-real, no cheap clutter, 8k.