Environ Sci Technol Lett February 2025 PMID 39957788

Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles.

Satya S Patra, Jinglin Jiang, Jianghui Liu, Gerhard Steiner, Nusrat Jung, Brandon E Boor

Mentions

154
Peak: 26 in Feb 2025
across 5 sources since Feb 2025

Extended reach

240,515
potential audience

Total likes

709

Video views

10,914

Mentions per month

Feb 2025 – Dec 2025

Where it's discussed

  • News105 articles
  • X / Twitter37 posts
  • Blogs8 articles
  • Bluesky2 posts
  • YouTube2 videos

AI synopsis

What people are saying

Several discussions emphasize the significance of the study by describing it as revealing airborne nanoparticles from scented products, with phrases like 'not as safe as initially thought' and 'serious health implications.' The tone varies from cautious concern to advocacy for switching to safer alternatives, reflecting engagement and acknowledgment of the study's importance.

AgreementModerate agreement

Most discussions acknowledge that scented wax melts contribute to indoor pollution, indicating general support for the publication's findings.

InterestNeutral interest
EngagementNeutral engagement
ImpactNeutral impact

Abstract in brief

  • Scented wax melts, often seen as a safer alternative to traditional candles and incense, can still produce significant indoor atmospheric nanoparticles through reactions between released terpenes and ozone, leading to potential respiratory health risks.
  • Using advanced measurement tools, the study found that these nanoparticles' concentrations are comparable to those from combustion sources like candles and engines, suggesting that scented wax melts may not be as safe as commonly believed.
  • The findings emphasize the need for further research into the toxicological effects of the nanoparticles formed during wax melt use to better assess their environmental health impacts.

Top posts

Most liked on X and Bluesky
Sotirios Papathanasiou
@SFotonium · X

Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Scented wax melts, despite being advertised as a safer alternative to burning candles, may not always be a good choice! https://t.co/ImBOYLe2Dl https://t.co/Kq7INWPcam

Aug 25, 2025 · 21 likes · 6 shares · 7,098 followers View post →
Science News
@scinews.bsky.social · Bluesky

Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles" pubs.acs.org/doi/10.1021/...

Feb 23, 2025 · 21 likes · 4 shares View post →
Science News
@SciencNews · X

Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles" https://t.co/Ohp238WGWN

Feb 23, 2025 · 9 likes · 8 shares · 31,082 followers View post →
mistahsui
@mistahsui · X

@4_frenz @outbreakupdates Source: https://t.co/FcVGfBaENd you fucking retard

Feb 21, 2025 · 7 likes · 1 share · 257 followers View post →
ACS Publications
@ACSPublications · X

A new study in ES&T Letters finds scented wax melts trigger indoor new particle formation events through terpene ozonolysis, producing atmospheric nanoparticles at levels comparable to combustion-based candles: https://t.co/Gn4K21cRMI @BrandonBoor @NusratJung @SatyaSundarPa17

Feb 14, 2025 · 4 likes · 4 shares · 65,113 followers View post →
Smart Air
@SmartAirFilters · X

Study: https://t.co/ei5EXEUFkE

Jul 14, 2025 · 3 likes · 1 share · 7,408 followers View post →

All mentions

Harfa Orfeusza
@HarfaO · X

'Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles' Feb 2025 https://t.co/5mJ8gu7HE0

Sep 25, 2025 · 18 followers View post →
Adelaide
@AdelaideDinoi · X

RT @SFotonium: Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Sce…

Sep 21, 2025 · 6 shares · 257 followers View post →
Robina Gulnaz
@RGulnaz · X

RT @SFotonium: Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Sce…

Aug 27, 2025 · 6 shares · 1,425 followers View post →
Véronique RIFFAULT
@VRiffault · X

RT @SFotonium: Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Sce…

Aug 26, 2025 · 6 shares · 1,209 followers View post →
Alex
@ABettmeralp · X

RT @SFotonium: Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Sce…

Aug 25, 2025 · 6 shares · 439 followers View post →
stopmetstoken.be
@stopmetstokenbe · X

RT @SFotonium: Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Sce…

Aug 25, 2025 · 6 shares · 307 followers View post →
Nathalie Ventilation
@VentiloAngel · X

RT @SFotonium: Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Sce…

Aug 25, 2025 · 6 shares · 1,041 followers View post →
Sotirios Papathanasiou
@SFotonium · X

Researchers found that scented products are a significant source of nano particles that could be harmful to your health. Scented wax melts, despite being advertised as a safer alternative to burning candles, may not always be a good choice! https://t.co/ImBOYLe2Dl https://t.co/Kq7INWPcam

Aug 25, 2025 · 21 likes · 6 shares · 7,098 followers View post →
Apocalypse IsNow
@ApocalypseHere · X

RT @SmartAirFilters: Study: https://t.co/ei5EXEUFkE

Jul 14, 2025 · 1 share · 1,626 followers View post →
Smart Air
@SmartAirFilters · X

Study: https://t.co/ei5EXEUFkE

Jul 14, 2025 · 3 likes · 1 share · 7,408 followers View post →
b_nazza_aus
@b_nazza_aus · X

Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles https://t.co/KzpLb6wxcf

Mar 21, 2025 · 688 followers View post →
サイエンスあれこれ
@sarekore · X

(100万〜1000万)から放出される濃度に匹敵します。また、時間の経過とともに呼吸器に沈着する粒子の数を表す呼吸器沈着線量率は、毎分290億個になり、その大部分が上気道に沈着しました。これらの粒子は細胞間を移動して血流に入り、脳などの臓器に到達する可能性がありますhttps://t.co/2Nhn39QKcz

Mar 7, 2025 · 922 followers View post →
Umberto
@carlsag19333824 · X

실내에서 불꽃없는 향초가, 폐 깊숙이 침투할 만큼 작은 나노 사이즈 입자의 주 공급원이 된다는 연구 결과 https://t.co/rSOCMeVY7e

Mar 1, 2025 · 636 followers View post →
Químics de Catalunya
@quimics · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 24, 2025 · 8 shares · 1,248 followers View post →
priya joseph
@ayirpelle · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 4,902 followers View post →
Nacho
@nachirulo21 · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 398 followers View post →
José Romero
@IngCruzOficial · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 94 followers View post →
Manoj Mayogi Mishra
@mayogisense · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 572 followers View post →
Science Updates
@cpa61 · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 35,976 followers View post →
SARADA
@saradas2012 · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 460 followers View post →
Nathalia Le Hen
@NathaliaLeHen · X

RT @SciencNews: Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scent…

Feb 23, 2025 · 8 shares · 2,752 followers View post →
Science News
@SciencNews · X

Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles" https://t.co/Ohp238WGWN

Feb 23, 2025 · 9 likes · 8 shares · 31,082 followers View post →
Science News
@scinews.bsky.social · Bluesky

Scented wax melts may not be as safe for indoor air as initially thought "Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles" pubs.acs.org/doi/10.1021/...

Feb 23, 2025 · 21 likes · 4 shares View post →
Dr. med. Elisabeth Schieffer
@SchiefferDr · X

Indoor-Luftverunreinigung durch Nutzung von verbrennungsfreien Duftkerzen. Problematische, gesundheitsgefährdende Belastung. https://t.co/eiWzo3ysql

Feb 23, 2025 · 640 followers View post →
Miguel Ángel Sogorb
@MASogorb · X

¿Más contaminación dentro de casa que fuera? https://t.co/QGvYh8cnox Más información: Flame-free candles are not pollution-free: Scented wax melts as a significant source of atmospheric nanoparticles https://t.co/n8qCH4tU1X

Feb 22, 2025 · 158 followers View post →
SOS MCS
@sos_mcs · X

Les #bougies sans flamme ne sont pas sans #pollution : les cires parfumées fondent comme source importante de #nanoparticules atmosphériques https://t.co/vwMY44pZoA #Hydrocarbures #Nucléation #Particules #pollution #air https://t.co/sfM0VnaC1W

Feb 22, 2025 · 783 followers View post →
The time....is now.
@thecontro1freak · X

RT @mistahsui: @4_frenz @outbreakupdates Source: https://t.co/FcVGfBaENd you fucking retard

Feb 21, 2025 · 1 share · 634 followers View post →
D. R. Dick
@granitevoter · X

RT @FedUpWithBadAir: Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles | En…

Feb 21, 2025 · 2 shares · 2,436 followers View post →
Ian Weissman, DO
@DrIanWeissman · X

RT @FedUpWithBadAir: Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles | En…

Feb 21, 2025 · 2 shares · 43,065 followers View post →
easlgrundle
@easlgrundle · X

@outbreakupdates https: //pubs. acs. org/doi/10.1021/acs.estlett.4c00986

Feb 21, 2025 · 286 followers View post →
easlgrundle
@easlgrundle · X

@outbreakupdates https://t.co/0Gc7duORnl

Feb 21, 2025 · 3 likes · 286 followers View post →
mistahsui
@mistahsui · X

@4_frenz @outbreakupdates Source: https://t.co/FcVGfBaENd you fucking retard

Feb 21, 2025 · 7 likes · 1 share · 257 followers View post →
Dave Peterson (He/Him) Ⓥ
@FedUpWithBadAir · X

Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles | Environmental Science & Technology Letters https://t.co/D52g7zEqwp https://t.co/xBhsFoBNYL

Feb 21, 2025 · 3 likes · 2 shares · 2,759 followers View post →
granaiogit
@granaiogit.bsky.social · Bluesky

Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles #worldnews pubs.acs.org/doi/10.1021/...

Feb 20, 2025 · 1 like View post →
Granaio Git
@GranaioGit · X

Flame-Free Candles Are Not Pollution-Free: Scented Wax Melts as a Significant Source of Atmospheric Nanoparticles https://t.co/70THk9Ftwz

Feb 20, 2025 · 116 followers View post →
CorporateHamster
@CpHamster · X

May be time to switch to oil diffusers. Indoor candle melts are not good for indoor air quality. https://t.co/AGmsmjvmjo

Feb 20, 2025 · 237 followers View post →
Professor Erwin Loh
@erwinloh · X

Using scented products indoors changes the chemistry of the air, producing as much air pollution as car exhaust does outside, according to a new study. Researchers say that breathing in these nanosized particles could have serious health implications. https://t.co/EyosF50x4a https://t.co/vKF3BBngkE

Feb 17, 2025 · 1 like · 10,282 followers View post →
Brandon E. Boor
@BrandonBoor · X

RT @ACSPublications: A new study in ES&T Letters finds scented wax melts trigger indoor new particle formation events through terpene ozono…

Feb 14, 2025 · 4 shares · 1,720 followers View post →
ACS Publications
@ACSPublications · X

A new study in ES&T Letters finds scented wax melts trigger indoor new particle formation events through terpene ozonolysis, producing atmospheric nanoparticles at levels comparable to combustion-based candles: https://t.co/Gn4K21cRMI @BrandonBoor @NusratJung @SatyaSundarPa17

Feb 14, 2025 · 4 likes · 4 shares · 65,113 followers View post →