{"title":"Lupo MP, Cole AL, “Cosmeceutical peptides” (Dermatologic Therapy)","entity_type":"Source","slug":"lupo-cole-cosmeceutical-peptides","canonical_url":"https://skinknowledgebase.com/sources/lupo-cole-cosmeceutical-peptides","dates":{"date_modified":"2026-05-07","date_reviewed":"2026-05-07"},"mcp_eligible":true,"evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Topical Collagen","url":"https://skinknowledgebase.com/ingredients/topical-collagen"},{"title":"Fine Lines","url":"https://skinknowledgebase.com/concerns/fine-lines"},{"title":"Wrinkles","url":"https://skinknowledgebase.com/concerns/wrinkles"},{"title":"Dermagist Collastin","url":"https://skinknowledgebase.com/products/dermagist-collastin"},{"title":"Matrixyl","url":"https://skinknowledgebase.com/ingredients/matrixyl"},{"title":"What does Matrixyl do for skin?","url":"https://skinknowledgebase.com/questions/what-does-matrixyl-do-for-skin"},{"title":"Does collagen cream actually work for wrinkles?","url":"https://skinknowledgebase.com/questions/does-collagen-cream-actually-work-for-wrinkles"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["A peer-reviewed dermatologic review on cosmeceutical peptides written for a clinical-dermatology audience. Lupo and Cole walk through the major peptide classes used in over-the-counter anti-aging skincare, including the Matrixyl pentapeptide signaling story, with a clinician-facing assessment of what the published cosmetic-appearance evidence does and does not show."]},{"heading":"What Studied","paragraphs":["The article is a narrative review of cosmeceutical peptide categories — signal, carrier, and neurotransmitter-influencing peptides — and the published cosmetic-appearance studies cited for each. It treats Pal-KTTKS / Matrixyl pentapeptide as a prototypical signal peptide and discusses how the class is positioned in dermatology practice."]},{"heading":"Main Findings","paragraphs":["The review reports that signal peptides such as the Matrixyl pentapeptide are associated with reported improvements in the look of fine lines and wrinkles in the cited cosmetic-appearance studies, while making clear that effect sizes are modest and that peptide cosmetics are not a substitute for prescription anti-aging therapy. The authors describe peptides as part of a layered cosmetic-appearance routine rather than as a standalone hero ingredient."]},{"heading":"Why It Matters","paragraphs":["This source gives the Question its honest evidence-base framing for a dermatologist-leaning audience. It supports the cosmetic-appearance benefit story for Matrixyl while clearly bounding the claim — useful for the \"does it really work\" arc of the answer."]}],"source_type":"peer_reviewed","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/18045359/"}