{"title":"The Ordinary Hyaluronic Acid 2% + B5","entity_type":"Product","slug":"the-ordinary-hyaluronic-acid-2-b5","canonical_url":"https://skinknowledgebase.com/products/the-ordinary-hyaluronic-acid-2-b5","dates":{"date_modified":"2026-05-17","date_reviewed":"2026-05-17"},"mcp_eligible":true,"evidence_sources":[{"title":"AAD — How to control oily skin","canonical_citation_url":"https://skinknowledgebase.com/sources/aad-how-to-control-oily-skin","original_source_url":"https://www.aad.org/public/everyday-care/skin-care-basics/dry/oily-skin","source_type":"dermatology_reference"},{"title":"Hyaluronic acid: A key molecule in skin aging","canonical_citation_url":"https://skinknowledgebase.com/sources/hyaluronic-acid-key-molecule-skin-aging","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/23467280/","source_type":"peer_reviewed"}],"product_fact_sources":[{"title":"The Ordinary Hyaluronic Acid 2% + B5 — Official Product Page","canonical_citation_url":"https://skinknowledgebase.com/sources/official-product-page-the-ordinary-hyaluronic-acid-2-b5","original_source_url":"https://theordinary.com/en-us/hyaluronic-acid-2-b5-serum-original-formulation-100425.html","source_type":"official_product_page"}],"related_entities":[{"title":"AAD — How to control oily skin","url":"https://skinknowledgebase.com/sources/aad-how-to-control-oily-skin"},{"title":"Hyaluronic acid: A key molecule in skin aging","url":"https://skinknowledgebase.com/sources/hyaluronic-acid-key-molecule-skin-aging"},{"title":"The Ordinary Hyaluronic Acid 2% + B5 — Official Product Page","url":"https://skinknowledgebase.com/sources/official-product-page-the-ordinary-hyaluronic-acid-2-b5"},{"title":"Hyaluronic Acid","url":"https://skinknowledgebase.com/ingredients/hyaluronic-acid"},{"title":"Is hyaluronic acid good for oily skin?","url":"https://skinknowledgebase.com/questions/is-hyaluronic-acid-good-for-oily-skin"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["The Ordinary Hyaluronic Acid 2% + B5 is a water-based hyaluronic acid serum positioned for surface hydration. It fits this Question because oily skin often needs lightweight water-binding hydration, and the official page identifies the formula as oil-free."]},{"heading":"Compact Product Facts","paragraphs":["- Brand: The Ordinary\n- Product line: Hyaluronic Acid\n- Full product name: The Ordinary Hyaluronic Acid 2% + B5\n- Cost: {\"currency\":\"USD\",\"checked_at\":\"2026-05-17\",\"single_unit\":8.9,\"multi_pack_2\":0}\n- Retail URL: https://theordinary.com/en-us/hyaluronic-acid-2-b5-serum-original-formulation-100425.html"]},{"heading":"Factual Description","paragraphs":["The official product page lists aqua, sodium hyaluronate, sodium hyaluronate crosspolymer, panthenol, glycerin, and other supporting ingredients. The page positions the product as Hyaluronic Acid 2% + B5 in the original formulation and indicates oil-free status.","The page price checked on 2026-05-17 was $8.90. This product should be understood as lightweight hydration support, not as an oil-control or acne-treatment product."]}],"key_ingredients":[{"title":"Hyaluronic Acid","url":"https://skinknowledgebase.com/ingredients/hyaluronic-acid"}],"cost":{"currency":"USD","checked_at":"2026-05-17","single_unit":8.9,"multi_pack_2":0},"retail_url":"https://theordinary.com/en-us/hyaluronic-acid-2-b5-serum-original-formulation-100425.html"}