avobenzone

Also known as Butyl Methoxydibenzoylmethane, Parsol 1789

Avobenzone (trade names Parsol 1789, Milestab 1789, Eusolex 9020, Escalol 517, Neo Heliopan 357 and others, INCI Butyl Methoxydibenzoylmethane) is an organic molecule and an oil-soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays.

Research

366 papers

Drug Delivery Strategies for Avobenzone: A Case Study of Photostabilization.Pharmaceutics · 2023
Sunscreens part 2: Regulation and safety.Journal of the American Academy of Dermatology · 2025
Comprehensive review of avobenzone (butyl methoxydibenzoylmethane) toxicology data and human exposure assessment for personal care products.Critical reviews in toxicology · 2025
Prospecting toxicity of the avobenzone sunscreen in plants.Environmental science and pollution research international · 2024
Patent review on photostability enhancement of avobenzone and its formulations.Recent patents on drug delivery & formulation · 2015

via PubMed

Wikidata facts

Mass: 310.157

Show 3 more facts

chemical formula: C₂₀H₂₂O₃
canonical SMILES: CC(C)(C)C1=CC=C(C=C1)C(=O)CC(=O)C2=CC=C(C=C2)OC
Commons category: Avobenzone

Sources (2)

via Wikidata · CC0

~7 min read

Article

9 sections

Contents

History
Properties
Safety
Stability
Various
Absorbance spectrum
Preparation
See also
Notes

==History== Avobenzone was patented in 1973 and was approved in the EU in 1978. It was approved by the FDA in 1988. As of 2021, the FDA announced that they do not support avobenzone as being generally recognized as safe and effective (GRASE) citing the need for additional safety data. Avobenzone was banned in 2020 by the Palau government citing reef-toxicity concerns.