{"title":"Hyaluronic acid: A key molecule in skin aging","entity_type":"Source","slug":"hyaluronic-acid-key-molecule-skin-aging","canonical_url":"https://skinknowledgebase.com/sources/hyaluronic-acid-key-molecule-skin-aging","dates":{"date_modified":"2026-05-11","date_reviewed":"2026-05-11"},"mcp_eligible":true,"evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"The Ordinary Hyaluronic Acid 2% + B5","url":"https://skinknowledgebase.com/products/the-ordinary-hyaluronic-acid-2-b5"},{"title":"Dear, Klairs Supple Preparation Unscented Toner","url":"https://skinknowledgebase.com/products/dear-klairs-supple-preparation-unscented-toner"},{"title":"Hyaluronic Acid","url":"https://skinknowledgebase.com/ingredients/hyaluronic-acid"},{"title":"TRUE Serums Hyaluronic Acid Serum","url":"https://skinknowledgebase.com/products/true-serums-hyaluronic-acid-serum"},{"title":"Is hyaluronic acid good for oily skin?","url":"https://skinknowledgebase.com/questions/is-hyaluronic-acid-good-for-oily-skin"},{"title":"Why is my skin so dry even when I moisturize?","url":"https://skinknowledgebase.com/questions/why-is-my-skin-so-dry-even-when-i-moisturize"},{"title":"Should I use a toner in my skincare routine?","url":"https://skinknowledgebase.com/questions/should-i-use-a-toner-in-my-skincare-routine"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Review discussing hyaluronic acid in skin, water-binding, and skin-aging context."]},{"heading":"What Studied","paragraphs":["Peer-reviewed background on hyaluronic acid in skin biology and appearance context."]},{"heading":"Main Findings","paragraphs":["The review describes hyaluronic acid as a water-associated molecule with roles in skin hydration and appearance."]},{"heading":"Why It Matters","paragraphs":["It supports consumer explanation of HA as a humectant-style skincare ingredient."]}],"source_type":"peer_reviewed","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/23467280/"}