{"title":"Tranexamic Acid","entity_type":"Ingredient","slug":"tranexamic-acid","canonical_url":"https://skinknowledgebase.com/ingredients/tranexamic-acid","dates":{"date_modified":"2026-05-11","date_reviewed":"2026-05-11"},"mcp_eligible":true,"evidence_sources":[{"title":"DermNet — Tranexamic acid","canonical_citation_url":"https://skinknowledgebase.com/sources/dermnet-tranexamic-acid","original_source_url":"https://dermnetnz.org/topics/tranexamic-acid","source_type":"medical_reference"},{"title":"PubMed — Tranexamic acid hyperpigmentation review","canonical_citation_url":"https://skinknowledgebase.com/sources/tranexamic-acid-hyperpigmentation-review","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/41601401/","source_type":"peer_reviewed"}],"product_fact_sources":[],"related_entities":[{"title":"DermNet — Tranexamic acid","url":"https://skinknowledgebase.com/sources/dermnet-tranexamic-acid"},{"title":"PubMed — Tranexamic acid hyperpigmentation review","url":"https://skinknowledgebase.com/sources/tranexamic-acid-hyperpigmentation-review"},{"title":"Dark Spots from Acne","url":"https://skinknowledgebase.com/concerns/dark-spots-from-acne"},{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},{"title":"Naturium Tranexamic Topical Acid 5%","url":"https://skinknowledgebase.com/products/naturium-tranexamic-topical-acid-5"},{"title":"Over-exfoliation Irritation","url":"https://skinknowledgebase.com/side-effects/over-exfoliation-irritation"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Tranexamic Acid is a tone-supporting skincare ingredient discussed for uneven-looking pigmentation, including post-inflammatory hyperpigmentation contexts. On this page it is included for flat post-acne dark marks, with cautious cosmetic expectations and no oral or procedural guidance. Caption: Tranexamic acid may support the appearance of more even pigmentation in flat post-acne marks."]},{"heading":"What It Is","paragraphs":["Tranexamic Acid, often shortened to TXA, is a distinct cosmetic Ingredient entity when used in topical pigmentation-focused skincare."]},{"heading":"Mechanism","paragraphs":["For consumer skincare, the practical framing is tone support. It may help flat discoloration look more even over time when paired with sunscreen and irritation-aware routines."]}],"side_effects":[{"title":"Over-exfoliation Irritation","url":"https://skinknowledgebase.com/side-effects/over-exfoliation-irritation"}]}