{"type":"firestarter.listing","listing":{"id":"lst_I7NwFxza","product_name":"Hyeja Yuja Vitamin C Brightening Serum","category":"Oils & Serums","description":"Hyeja Brightening Serum will brighten and protect your skin with hydration rich elements and fresh notes that will deeply penetrate skin and senses. Giving you an instant glow, while changing your skins texture with regular use. Great for all skin types including: sensitive, dry, acne prone, oily, or combo.\nA light watery texture with a non-sticky, fresh, and fast absorbing free of ethanol. Fresh Yuja fruit scent, perfume free natural scent. 63.12% nature-derived vitamin C from Korean Yuja Fruit, a minimally irritant everyday vitamin serum. 14.7% Green tea Water, 2% Niacinamide (Vitamin B). Tocopherol (Vitamin E), Ascorbic Acid (Vitamin C)\nApplication\nAfter cleansing, dispense 2 full drops of small amount at the serum stage of your skincare routine. Gently apply across your face and neck, then tap to absorb. Thinly apply an additional layer over Sensitive skin spots\n\n3.2 fl oz/ 95 ml\nKorean Traditional Formulations\nMade in South Korea\n\nIngredients: Citrus Junos Fruit Extract, Camellia Sinensis Leaf Water, Butylene Glycol, Water, Dipropylene Glycol, Niacinamide, 1,2-Hexanediol, 3-O-Ethyl Ascorbic Acid, Citrus Junos Peel Oil, Panax Ginseng Root Water, Polyglyceryl-10 Myristate, Centella Asiatica Extract, Saccharum Officinarum (Sugarcane) Extract, Tocopherol, Houttuynia Cordata Extract, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ceramide NP, Camellia Sinensis Leaf Extract, Acrylates/C10-30 Alkyl Acrylate Cross polymer, Tromethamine, Sodium Polyacrylate, Adenosine, Sodium Phytate, Sorbitan Isostearate, Glycerin, Chamomilla Recutita (Matricaria) Flower Extract, Portulaca Oleracea Extract, Betula Alba Juice, Simmondsia Chinensis (Jojoba) Seed Oil, Maltodextrin, Saccharide Hydrolysate, Ethylhexylglycerin, Limonene","images":["https://cdn.shopify.com/s/files/1/0720/5824/1345/files/Hyeja_brightening-serum.jpg?v=1770746457","https://cdn.shopify.com/s/files/1/0720/5824/1345/files/Screen_Shot_2024-02-02_at_1.40.45_PM.png?v=1770746457"],"price":48,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:22.184Z"},"share_url":"https://firestarter.network/l/lst_I7NwFxza","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_I7NwFxza' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Hyeja Yuja Vitamin C Brightening Serum' and a budget_max comfortably above $48.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}