{"title":"Azelaic Acid","entity_type":"Ingredient","slug":"azelaic-acid","canonical_url":"https://skinknowledgebase.com/ingredients/azelaic-acid","dates":{"date_modified":"2026-05-11","date_reviewed":"2026-05-11"},"mcp_eligible":true,"evidence_sources":[{"title":"DermNet — Azelaic acid","canonical_citation_url":"https://skinknowledgebase.com/sources/dermnet-azelaic-acid","original_source_url":"https://dermnetnz.org/topics/azelaic-acid","source_type":"medical_reference"},{"title":"PubMed — Azelaic acid properties and mode of action","canonical_citation_url":"https://skinknowledgebase.com/sources/azelaic-acid-properties-mode-action","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/24280644/","source_type":"peer_reviewed"}],"product_fact_sources":[{"title":"Official Product Page — The Ordinary Azelaic Acid Suspension 10%","canonical_citation_url":"https://skinknowledgebase.com/sources/official-product-page-the-ordinary-azelaic-acid-suspension-10","original_source_url":"https://theordinary.com/en-us/azelaic-acid-suspension-10-exfoliator-100407.html","source_type":"official_product_page"}],"related_entities":[{"title":"DermNet — Azelaic acid","url":"https://skinknowledgebase.com/sources/dermnet-azelaic-acid"},{"title":"PubMed — Azelaic acid properties and mode of action","url":"https://skinknowledgebase.com/sources/azelaic-acid-properties-mode-action"},{"title":"Official Product Page — The Ordinary Azelaic Acid Suspension 10%","url":"https://skinknowledgebase.com/sources/official-product-page-the-ordinary-azelaic-acid-suspension-10"},{"title":"Dark Spots from Acne","url":"https://skinknowledgebase.com/concerns/dark-spots-from-acne"},{"title":"Blackheads","url":"https://skinknowledgebase.com/concerns/blackheads"},{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},{"title":"Facial Redness","url":"https://skinknowledgebase.com/concerns/facial-redness"},{"title":"The Ordinary Azelaic Acid Suspension 10%","url":"https://skinknowledgebase.com/products/the-ordinary-azelaic-acid-suspension-10"},{"title":"The INKEY List Redness Relief Solution","url":"https://skinknowledgebase.com/products/the-inkey-list-redness-relief-solution"},{"title":"Over-exfoliation Irritation","url":"https://skinknowledgebase.com/side-effects/over-exfoliation-irritation"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Azelaic Acid is a skincare ingredient used for blemish-prone skin and uneven-looking tone. For dark spots left after acne, it is relevant because it fits both sides of the problem: skin that is prone to blemishes and flat marks that look darker after those blemishes calm down. Caption: Azelaic acid is a key option for the look of uneven post-acne tone."]},{"heading":"What It Is","paragraphs":["Azelaic Acid is a dicarboxylic acid used in topical skincare. Its INCI name is Azelaic Acid, and a technical alternate name is Nonanedioic Acid."]},{"heading":"Mechanism","paragraphs":["In cosmetic language, azelaic acid supports a more even-looking tone and a clearer-looking surface over time. It should be introduced gradually because irritation can make post-acne marks look more noticeable."]}],"side_effects":[{"title":"Over-exfoliation Irritation","url":"https://skinknowledgebase.com/side-effects/over-exfoliation-irritation"}]}