{"title":"Matta 2020 — Sunscreen Active Ingredients Absorption Study","entity_type":"Source","slug":"matta-2020-sunscreen-active-ingredients-absorption","canonical_url":"https://skinknowledgebase.com/sources/matta-2020-sunscreen-active-ingredients-absorption","dates":{"date_modified":"2026-05-16","date_reviewed":"2026-05-16"},"mcp_eligible":true,"evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Oxybenzone","url":"https://skinknowledgebase.com/ingredients/oxybenzone"},{"title":"Is mineral sunscreen better than chemical sunscreen?","url":"https://skinknowledgebase.com/questions/is-mineral-sunscreen-better-than-chemical-sunscreen"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Matta 2020 measured plasma concentrations of additional sunscreen active ingredients after sunscreen application."]},{"heading":"What Studied","paragraphs":["Randomized clinical trial evaluating systemic absorption of several active ingredients found in sunscreen products."]},{"heading":"Main Findings","paragraphs":["The study reported measurable plasma concentrations for multiple filters, including avobenzone, oxybenzone, octocrylene, homosalate, octisalate, and octinoxate."]},{"heading":"Why It Matters","paragraphs":["It helps explain why regulators requested more data while keeping the page from overstating what absorption studies prove."]}],"source_type":"peer_reviewed","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/31961417/"}