{"product_id":"peptifirm","title":"PeptiFirm™","description":"\u003ch2\u003eBiomimetic Signal Peptide for Visibly Firmer, More Lifted Skin\u003c\/h2\u003e\n\u003cp\u003ePeptiFirm™ delivers Palmitoyl Tripeptide-5, a next-generation biomimetic peptide designed to activate the skin's own collagen synthesis pathway. By mimicking thrombospondin-1 (TSP-1), a key matrix glycoprotein, it engages TGF-β signaling in dermal fibroblasts — stimulating Type I and III collagen production while suppressing collagenase activity.\u003c\/p\u003e\n\u003cp\u003eThe palmitoyl modification ensures effective penetration through the lipid barrier, delivering the active peptide to its dermal target at remarkably low concentrations.\u003c\/p\u003e\n\u003ch3\u003eWhy PeptiFirm™\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivates TGF-β signaling\u003c\/strong\u003e – stimulates fibroblasts to produce Type I and III collagen at the source\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible firming \u0026amp; lifting\u003c\/strong\u003e – reduces wrinkle depth and improves skin elasticity with consistent use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuppresses collagen breakdown\u003c\/strong\u003e – inhibits MMP-1 (collagenase) activity to protect existing collagen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficacy at low doses\u003c\/strong\u003e – effective at 3–10 ppm; highly cost-efficient in formulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; globally compliant\u003c\/strong\u003e – synthetic, vegan, cruelty-free, suitable for all leave-on formats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFormulation Advantages\u003c\/h3\u003e\n\u003cp\u003ePeptiFirm™ is water-soluble and stable across pH 4.0–7.0. At use concentrations below 0.01%, it adds no viscosity, color, or odor and requires no special processing — integrating seamlessly into serums, eye creams, neck creams, and anti-aging moisturizers.\u003c\/p\u003e","brand":"Formulation Direct","offers":[{"title":"Default Title","offer_id":42832492953648,"sku":"FD2606","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0070\/9936\/files\/comingsoon.png?v=1773080759","url":"https:\/\/formulationdirect.com\/products\/peptifirm","provider":"Formulation Direct","version":"1.0","type":"link"}