{"title":"FDA — Alpha Hydroxy Acids","entity_type":"Source","slug":"fda-alpha-hydroxy-acids","canonical_url":"https://skinknowledgebase.com/sources/fda-alpha-hydroxy-acids","dates":{"date_modified":"2026-05-10","date_reviewed":"2026-05-10"},"mcp_eligible":true,"evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"The Ordinary Glycolic Acid 7% Exfoliating Toner","url":"https://skinknowledgebase.com/products/the-ordinary-glycolic-acid-7-exfoliating-toner"},{"title":"Glycolic Acid","url":"https://skinknowledgebase.com/ingredients/glycolic-acid"},{"title":"Dermagist Therapeutic Cleansing Gel","url":"https://skinknowledgebase.com/products/dermagist-therapeutic-cleansing-gel"},{"title":"How often should I exfoliate my face?","url":"https://skinknowledgebase.com/questions/how-often-should-i-exfoliate-my-face"},{"title":"How do I get rid of blackheads on my nose?","url":"https://skinknowledgebase.com/questions/how-do-i-get-rid-of-blackheads-on-my-nose"},{"title":"What causes dull skin and how do I get a glow?","url":"https://skinknowledgebase.com/questions/what-causes-dull-skin-and-how-do-i-get-a-glow"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Regulatory reference used to distinguish water-soluble AHA exfoliation from the BHA focus of this page."]},{"heading":"What Studied","paragraphs":["This Source page records the evidence item used by the blackheads-on-nose page. It is used for definition, consumer-care guidance, ingredient mechanism context, tolerability framing, or evidence support for salicylic acid and adapalene in comedone-prone routines."]},{"heading":"Main Findings","paragraphs":["For this page, the source supports conservative appearance-level guidance: blackheads are open comedones rather than dirt; gentle routines are preferable to scrubbing and squeezing; salicylic acid and adapalene are relevant topical actives; and irritation can happen when active routines are introduced too aggressively."]},{"heading":"Why It Matters","paragraphs":["This source helps keep the page grounded in verifiable dermatology, regulatory, public-health, or peer-reviewed material rather than marketing claims. It also supports the page's distinction between visible blackhead care and medical acne decision-making."]}],"source_type":"other","original_source_url":"https://www.fda.gov/cosmetics/cosmetic-ingredients/alpha-hydroxy-acids"}