{"product_id":"pep-stem-peptide-serum","title":"Pep-Stem Peptide Serum with Argireline® \u0026 Collagen Peptides","description":"\u003cp data-start=\"633\" data-end=\"872\"\u003eA concentrated peptide serum combining Argireline®, collagen peptides, and plant stem cell extract within a biomimetic formulation framework developed by Dr Klara Valko, pharmaceutical scientist and Honorary Professor at UCL School of Pharmacy.\u003c\/p\u003e\n\u003cp data-start=\"874\" data-end=\"1088\"\u003eDesigned for skin showing visible expression lines, loss of firmness, and reduced radiance, this lightweight serum complements Klara’s Day and Night Creams by delivering focused peptide support and hydration.\u003c\/p\u003e\n\u003ch2 data-start=\"1674\" data-end=\"1695\"\u003eSupporting Actives\u003c\/h2\u003e\n\u003cp data-start=\"1697\" data-end=\"1782\"\u003e\u003cstrong data-start=\"1697\" data-end=\"1756\"\u003ePhytocelltec™ Malus Domestica (Apple Stem Cell Extract)\u003c\/strong\u003e\u003cbr data-start=\"1756\" data-end=\"1759\"\u003eSupports skin vitality.\u003c\/p\u003e\n\u003cp data-start=\"1784\" data-end=\"1867\"\u003e\u003cstrong data-start=\"1784\" data-end=\"1811\"\u003eNiacinamide \u0026amp; Panthenol\u003c\/strong\u003e\u003cbr data-start=\"1811\" data-end=\"1814\"\u003eHelp maintain even tone and support the skin barrier.\u003c\/p\u003e\n\u003cp data-start=\"1869\" data-end=\"1940\"\u003e\u003cstrong data-start=\"1869\" data-end=\"1888\"\u003eHyaluronic Acid\u003c\/strong\u003e\u003cbr data-start=\"1888\" data-end=\"1891\"\u003eEnhances surface hydration and visible plumpness.\u003c\/p\u003e\n\u003cp data-start=\"1942\" data-end=\"2034\"\u003e\u003cstrong data-start=\"1942\" data-end=\"2001\"\u003eBotanical Antioxidants (Sea Buckthorn, Rosemary, Lotus)\u003c\/strong\u003e\u003cbr data-start=\"2001\" data-end=\"2004\"\u003eProvide environmental support.\u003c\/p\u003e\n\u003cp data-end=\"1787\" data-start=\"1695\"\u003e\u003cstrong data-end=\"1736\" data-start=\"1695\"\u003eHyaluronic Acid \u0026amp; Hydrolysed Collagen\u003c\/strong\u003e\u003cbr data-end=\"1739\" data-start=\"1736\"\u003eProvide surface hydration and visible plumpness.\u003c\/p\u003e\n\u003cp data-end=\"1882\" data-start=\"1789\"\u003e\u003cstrong data-end=\"1831\" data-start=\"1789\"\u003eSea Buckthorn \u0026amp; Botanical Antioxidants\u003c\/strong\u003e\u003cbr data-end=\"1834\" data-start=\"1831\"\u003eSupport protection against environmental stress.\u003c\/p\u003e\n\u003ch2 data-end=\"1904\" data-start=\"1889\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cp data-end=\"2114\" data-start=\"1906\"\u003e• Helps improve the appearance of fine lines\u003cbr data-end=\"1953\" data-start=\"1950\"\u003e• Supports smoother, firmer-looking skin\u003cbr data-end=\"1996\" data-start=\"1993\"\u003e• Enhances hydration and radiance\u003cbr data-end=\"2032\" data-start=\"2029\"\u003e• Lightweight, fast-absorbing texture\u003cbr data-end=\"2072\" data-start=\"2069\"\u003e• Suitable for mature or dehydrated skin\u003c\/p\u003e\n\u003ch2 data-start=\"642\" data-end=\"665\"\u003eMolecular Evaluation\u003c\/h2\u003e\n\u003cp data-start=\"667\" data-end=\"954\"\u003eThe formulation was evaluated in vitro by Makrolife GmbH using human macrophage gene expression analysis. Results indicated modulation of pathways associated with inflammatory balance and angiogenesis-related signalling, supporting the biological activity profile of the peptide complex.\u003c\/p\u003e\n\u003cp data-start=\"956\" data-end=\"1074\"\u003eThese findings are consistent with the formulation’s intended role in supporting skin vitality and visible resilience.\u003c\/p\u003e\n\u003ch2 data-end=\"2134\" data-start=\"2121\"\u003eHow to Use\u003c\/h2\u003e\n\u003cp data-end=\"2264\" data-start=\"2136\"\u003eApply 1–2 pumps to cleansed skin morning and evening.\u003cbr data-end=\"2192\" data-start=\"2189\"\u003eGently pat into face and neck.\u003cbr data-end=\"2225\" data-start=\"2222\"\u003eFollow with Klara’s Day or Night Cream.\u003c\/p\u003e\n\u003ch3 data-end=\"2308\" data-start=\"2271\"\u003eDesigned for Intelligent Ageing\u003c\/h3\u003e\n\u003cp data-end=\"2394\" data-start=\"2309\"\u003eA peptide-focused serum developed with scientific precision — not exaggerated claims.\u003c\/p\u003e\n\u003cp data-end=\"2394\" data-start=\"2309\"\u003e\u003cem\u003e\u003cstrong\u003eFull ingredient list\u003c\/strong\u003e:  \u003c\/em\u003e\u003cem\u003e\u003cspan style=\"mso-fareast-language: JA;\"\u003eAqua, Rosa Damascena Flower Water, Cucumis Sativus Juice, Acetyl Hexapeptide-3, Aloe Barbadensis Leaf Juice Powder, Malus Domestica Fruit Cell Culture Extract, Xanthan Gum, Glycerin, Phenoxyethanol, Lecithin, Sodium Levulinate, Sodium Anisate, Steareth-20, N-Hydroxysuccinimide, Chrysin, Palmitoyl Oligopeptide, Palmitoyl Tetrapeptide-7, Propylene Glycol, Benzyl Alcohol, Salicylic Acid, Sorbic Acid, Hydrolysed Collagen, Niacinamide, Chondrus Crispus Powder, Algin, Panthenol, Sodium Ascorbyl Phosphate, Hyaluronic Acid, Lotus Essential Oil, Hippophae Rhamnoides Fruit Extract, Helianthus Annuus (Sunflower) Seed Oil, Rosmarinus Officinalis Leaf Extract, Sodium Phytate, Citric Acid. (Potential allergens present in essential oils: Benzyl alcohol, Linalol, Hydroxycitronellal, Benzyl salicylate, Limonene, Cinnamyl alcohol, Citral)\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Klara's","offers":[{"title":"30 ml","offer_id":40221659398316,"sku":"","price":48.0,"currency_code":"GBP","in_stock":true},{"title":"15 ml","offer_id":40221659431084,"sku":"","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/8591\/5308\/files\/Yellow_Serum_bottle_box.jpg?v=1771850192","url":"https:\/\/klaraskincare.com\/products\/pep-stem-peptide-serum","provider":"Klara Skincare","version":"1.0","type":"link"}