{"title":"SkinCeuticals Discoloration Defense","entity_type":"Product","slug":"skinceuticals-discoloration-defense","canonical_url":"https://skinknowledgebase.com/products/skinceuticals-discoloration-defense","dates":{"date_modified":"2026-05-18","date_reviewed":"2026-05-18"},"mcp_eligible":true,"evidence_sources":[{"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"},{"title":"PubMed — Niacinamide and hyperpigmented spots","canonical_citation_url":"https://skinknowledgebase.com/sources/bissett-2004-niacinamide-aging-facial-skin","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/18492135/","source_type":"other"},{"title":"Blue Mercury Product Page — SkinCeuticals Discoloration Defense","canonical_citation_url":"https://skinknowledgebase.com/sources/blue-mercury-product-page-skinceuticals-discoloration-defense","original_source_url":"https://bluemercury.com/products/skinceuticals-discoloration-defense","source_type":"retailer_product_page"}],"product_fact_sources":[],"related_entities":[{"title":"PubMed — Tranexamic acid hyperpigmentation review","url":"https://skinknowledgebase.com/sources/tranexamic-acid-hyperpigmentation-review"},{"title":"PubMed — Niacinamide and hyperpigmented spots","url":"https://skinknowledgebase.com/sources/bissett-2004-niacinamide-aging-facial-skin"},{"title":"Blue Mercury Product Page — SkinCeuticals Discoloration Defense","url":"https://skinknowledgebase.com/sources/blue-mercury-product-page-skinceuticals-discoloration-defense"},{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},{"title":"Dark Spots from Acne","url":"https://skinknowledgebase.com/concerns/dark-spots-from-acne"},{"title":"Dullness","url":"https://skinknowledgebase.com/concerns/dullness"},{"title":"Tranexamic Acid","url":"https://skinknowledgebase.com/ingredients/tranexamic-acid"},{"title":"Niacinamide","url":"https://skinknowledgebase.com/ingredients/niacinamide"},{"title":"Kojic Acid","url":"https://skinknowledgebase.com/ingredients/kojic-acid"},{"title":"Is SkinCeuticals Discoloration Defense worth the price?","url":"https://skinknowledgebase.com/questions/is-skinceuticals-discoloration-defense-worth-the-price"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["SkinCeuticals Discoloration Defense is a $115 / 1 fl oz serum positioned for discoloration appearance, dark spots, and more even-looking tone. Blue Mercury lists 3% tranexamic acid, 1% kojic acid, 5% niacinamide, 5% HEPES, glycerin, hydroxyethyl urea, and allantoin."]},{"heading":"Compact Product Facts","paragraphs":["- Brand: SkinCeuticals\n- Product line: SkinCeuticals Correct\n- Full product name: SkinCeuticals Discoloration Defense\n- Cost: {\"currency\":\"USD\",\"checked_at\":\"2026-05-18\",\"single_unit\":115,\"multi_pack_2\":230}\n- Retail URL: https://www.skinceuticals.com/skincare/serums/discoloration-defense/S25.html"]},{"heading":"Factual Description","paragraphs":["Blue Mercury identifies the product as SkinCeuticals Discoloration Defense and lists $115 for the 1 fl oz size. The key ingredient cards name 3% tranexamic acid, 1% kojic acid, 5% niacinamide, and 5% HEPES. The full INCI lists water, butylene glycol, niacinamide, hydroxyethylpiperazine ethane sulfonic acid, glycerin, tranexamic acid, propylene glycol, hydroxyethyl urea, kojic acid, caprylyl glycol, allantoin, chlorphenesin, xanthan gum, and disodium EDTA. Blue Mercury is the product-facts source for these formula, price, and direction details."]}],"main_concern":{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},"key_ingredients":[{"title":"Tranexamic Acid","url":"https://skinknowledgebase.com/ingredients/tranexamic-acid"},{"title":"Niacinamide","url":"https://skinknowledgebase.com/ingredients/niacinamide"},{"title":"Kojic Acid","url":"https://skinknowledgebase.com/ingredients/kojic-acid"}],"cost":{"currency":"USD","checked_at":"2026-05-18","single_unit":115,"multi_pack_2":230},"retail_url":"https://www.skinceuticals.com/skincare/serums/discoloration-defense/S25.html"}