{"product_id":"signal-serum","title":"Signal Serum","description":"\u003cp\u003e\u003cstrong\u003e2% pure GHK-Cu. The daily driver of your routine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFirmer, brighter, more even-toned skin — built over 4 to 8 weeks\u003c\/li\u003e\n\u003cli\u003e2% GHK-Cu copper peptide (the dose the research actually uses)\u003c\/li\u003e\n\u003cli\u003eLightweight, water-based, layers under everything\u003c\/li\u003e\n\u003cli\u003eFormulated with sensitive skin in mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdetails style=\"border-top:1px solid #e8e5db;margin-top:16px;padding:10px 0 18px;\"\u003e\n\u003csummary style=\"cursor:pointer;font-size:13px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:#2F2FBF;padding:6px 0;list-style:none;\"\u003eHow it works\u003c\/summary\u003e\n\u003cp style=\"padding-top:8px;\"\u003eGHK-Cu is a copper tripeptide your body makes less of with age. On skin, it signals your cells to repair, build collagen and elastin, and calm inflammation. Most peptide serums use a trace. We use 2% — the concentration from the actual clinical research.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border-top:1px solid #e8e5db;padding:10px 0 18px;\"\u003e\n\u003csummary style=\"cursor:pointer;font-size:13px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:#2F2FBF;padding:6px 0;list-style:none;\"\u003eHow to use\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:8px;\"\u003e\n\u003col\u003e\n\u003cli\u003eCleanse. Pat skin until just damp.\u003c\/li\u003e\n\u003cli\u003e3–4 pumps on face + neck. Press in.\u003c\/li\u003e\n\u003cli\u003eWait 60 seconds. Follow with moisturizer.\u003c\/li\u003e\n\u003cli\u003eSPF in the morning. Always.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"margin-top:12px;\"\u003e\u003cem\u003eSteph pairs the Serum with Eye Patches, red light, and weekly microneedling. \u003ca href=\"\/pages\/stephs-glow-up-protocol\"\u003eSee her full routine →\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border-top:1px solid #e8e5db;padding:10px 0 18px;\"\u003e\n\u003csummary style=\"cursor:pointer;font-size:13px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:#2F2FBF;padding:6px 0;list-style:none;\"\u003eIngredients\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:8px;\"\u003e\n\u003cp style=\"margin-bottom:6px;\"\u003e\u003cstrong\u003eThe key actives:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2% GHK-Cu Copper Tripeptide-1\u003c\/li\u003e\n\u003cli\u003eSodium Hyaluronate — deep hydration\u003c\/li\u003e\n\u003cli\u003ePanthenol — barrier soother\u003c\/li\u003e\n\u003cli\u003eMulti-peptide complex (Argireline + Matrixyl)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border-top:1px solid #e8e5db;border-bottom:1px solid #e8e5db;padding:10px 0 18px;margin-bottom:16px;\"\u003e\n\u003csummary style=\"cursor:pointer;font-size:13px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:#2F2FBF;padding:6px 0;list-style:none;\"\u003eFAQ\u003c\/summary\u003e\n\u003cdiv style=\"padding-top:8px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhen will I see results?\u003c\/strong\u003e\u003cbr\u003eSubtle shifts in weeks 1–2 (hydration, softness, early glow). Firmness and tone in weeks 4–6. Full compound effect by week 8.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with retinol?\u003c\/strong\u003e\u003cbr\u003eYes. Alternate nights if your skin runs reactive to layering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with vitamin C?\u003c\/strong\u003e\u003cbr\u003eDon't layer them directly. Use one in the morning, the other at night.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it stain my pillowcase?\u003c\/strong\u003e\u003cbr\u003eNope. The serum goes on clear and absorbs clean.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does one bottle last?\u003c\/strong\u003e\u003cbr\u003e1 fl oz \/ 30ml. About 8 weeks with twice-daily use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cp style=\"font-size:13px;color:#5a6066;\"\u003e\u003cem\u003ePre-order. Ships week of Nov 9. We charge your card today. Change or cancel within 24 hours by replying to your confirmation email.\u003c\/em\u003e\u003c\/p\u003e","brand":"Loop Beauty","offers":[{"title":"Default Title","offer_id":67588833280297,"sku":"LB-SS-30","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/7087\/0057\/files\/duo-studio-open-tin.jpg?v=1791483493","url":"https:\/\/loop-beauty.com\/products\/signal-serum","provider":"Loop Beauty","version":"1.0","type":"link"}