Why is "Octamethylcyclotetrasiloxane" trending?
Latest news, Wikipedia summary, and trend analysis.
Trend Analysis
- Ranking position: #
- Date: 2026-05-25 09:36:34
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
Trend Insight
Octamethylcyclotetrasiloxane entered the ranking for the first time today at position #. This is its highest position ever recorded.
Trend History
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-25 and was most recently seen on 2026-05-25.
Wikipedia Overview
Octamethylcyclotetrasiloxane, also called D4, is an organosilicon compound and one of a number of cyclic siloxanes (cyclomethicones). It is a colorless viscous liquid with a high boiling point. It has historically been used on a large scale in personal care products including cosmetics, hair conditioners and emollients (moisturising creams), Global production in 1993 was 136,000 tons, however it is now facing significant pressure from regulators. It is a substance of very high concern In the EU, where it was classified as a PBT and effectively banned in personal care products in 2018. The US EPA began reevaluating its risks in 2020. Replacements include branched-chain alkanes (isoparaffins).
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Trending Topic Today
Search Interest Perspective
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EPA Extends Comment Period for Draft D4 Risk Evaluation - Office of Advocacy (.gov)
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Industry requests safety review of cyclic siloxane - Chemical & Engineering News
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The Problem With D4 - Toxic-Free Future
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US EPA to evaluate cyclic siloxane - Chemical & Engineering News
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EU further restricts the use of silicones D5 and D6 in cosmetic products - Premium Beauty News
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Ingredients in the spotlight: silicones D4, D5, and D6 - COSlaw.eu
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In-Depth Analysis: EU Regulatory Measures on Cyclosiloxanes (D4, D5, and D6) - cirs-group.com
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EU Lays Down the Law on Cyclic Silicones D5, D6 — Now What? - Cosmetics & Toiletries
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US EPA maps cyclic siloxane risk evaluation - Chemical & Engineering News
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EU Effectively Bans D4 and D5 in Wash-off Products - Cosmetics & Toiletries
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FDA Circular No.2023-007 || Updates and Amendments of the ASEAN Cosmetic Directive (ACD) as Adopted During the 36th ASEAN Cosmetic Committee (ACC) Meeting and Its Related Meetings - fda.gov.ph
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Recall of 291 cosmetics containing banned substances nationwide - Laodong.vn
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Vietnam recalls 291 cosmetic products over banned substances - Tuoi Tre News | The News Gateway to Vietnam
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Tight EU regulation of three siloxanes recommended - Chemical & Engineering News
Why This Topic Is Trending
This topic has recently gained attention due to increased public interest. Search activity and Wikipedia pageviews suggest growing global engagement.
Search Interest & Related Topics
Search interest data over the past 12 months indicates that this topic periodically attracts global attention. Sudden spikes often correlate with major news events, public statements, or geopolitical developments.