{"title":"AAD — Retinoid or retinol?","entity_type":"Source","slug":"aad-retinoid-retinol","canonical_url":"https://skinknowledgebase.com/sources/aad-retinoid-retinol","dates":{"date_modified":"2026-05-21","date_reviewed":"2026-05-21"},"mcp_eligible":true,"summary":"AAD retinoid and retinol guidance supports careful retinoid education, slow introduction, irritation-aware cosmetic routine boundaries, and clinician-guidance","evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"How should my skincare change in my 40s?","url":"https://skinknowledgebase.com/questions/how-should-my-skincare-change-in-my-40s"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Dermatology guidance used for retinoid and retinol basics and tolerance boundaries."]},{"heading":"What Studied","paragraphs":["Reference used for skincare context."]},{"heading":"Main Findings","paragraphs":["Used for factual context in this routine."]},{"heading":"Why It Matters","paragraphs":["Supports the cited context for this 40s skincare routine."]}],"source_type":"dermatology_reference","original_source_url":"https://www.aad.org/public/everyday-care/skin-care-secrets/anti-aging/retinoid-retinol"}