Soft Lavender Minimal Serum Promo

[Format] Professional e-commerce product main image, square 1:1, minimal premium serum promo in soft lavender tones. [Colors] Background a pale lilac gradient #e9e2f5 to #f7f4fb with a soft silk sheen across the lower half; product and accents purple #b57fd6; No frame border. [Layout] The bottle stands right of centre on a faintly reflective surface; three left-aligned feature blocks run down the left side, each with a bold purple title and two smaller grey lines. [Subject] A slender cylindrical serum bottle with a shiny lilac-purple metallic body, a silver screw cap and a subtle embossed swirl, standing upright, its soft reflection fading on the surface beneath it while a faint water-ripple sheen crosses the lower background. No people. [Headline] Small letterspaced grey eyebrow at top-left. Feature blocks: "Defends Against Damage" with "Filtering barrier technology, stabilizes the skin base"; "Hydrating Repair" with "Restores moisture, soothes delicate skin"; "Light Gel Texture" with "Refreshing, oil-free, non-comedogenic — suits every skin type". Titles in heavy purple, sub-lines in small grey. [Mood] Serene, clinical and feminine; monochrome lavender minimalism with one glossy hero bottle and generous negative space.