---
title: Matta 2019 — Sunscreen Active Ingredients Absorption Study
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/matta-2019-sunscreen-active-ingredients-absorption
date_modified: 2026-05-16
date_reviewed: 2026-05-16
mcp_eligible: true
source_type: peer_reviewed
original_source_url: https://pubmed.ncbi.nlm.nih.gov/31058986/
evidence_sources: []
product_fact_sources: []
---

# Matta 2019 — Sunscreen Active Ingredients Absorption Study

## Quick Summary

Matta 2019 measured plasma concentrations of sunscreen active ingredients under maximal-use conditions.

## What Studied

Randomized clinical trial evaluating systemic absorption of selected sunscreen active ingredients under maximal-use application.

## Main Findings

The study found measurable plasma concentrations of several sunscreen active ingredients, including avobenzone and oxybenzone, under the test conditions.

## Why It Matters

It supports careful discussion of absorption data without treating measurable absorption as proof of harm.

## Related Entities

- [Oxybenzone](https://skinknowledgebase.com/ingredients/oxybenzone)
- [Is mineral sunscreen better than chemical sunscreen?](https://skinknowledgebase.com/questions/is-mineral-sunscreen-better-than-chemical-sunscreen)