Flux Undies

fluxies Essential Brief Heavy Flow

Strong research
£20at fluxundies.com

Best for: Organic cotton next to skin plus a clear ’no added PFAS’ statement

Price checked

Buy now at fluxundies.com
  • No added PFAS (brand)
  • OEKO-TEX Standard 100

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No added PFAS (brand)

Body
95% organic cotton, 5% elastane
Core
microfibre
PFAS
no added PFAS (brand)

Where we checked it: fluxundies.com ›

Why we picked it

UK brand that states ’no added PFAS’ and OEKO-TEX Standard 100 certification on the product page, with a 95% organic cotton body and gusset lining (GOTS-certified cotton per the brand). Holds up to four tampons’ worth for 12 hours.

Best for

Organic cotton next to skin plus a clear ’no added PFAS’ statement

Not for

The very heaviest overnight flow

The details that matter.

  • • No added PFAS (brand)
  • • OEKO-TEX Standard 100
  • • 95% organic cotton body and lining
  • • Up to 4 tampons’ worth (brand)

Specifications

Body
95% organic cotton, 5% elastane
Core
microfibre
PFAS
no added PFAS (brand)
Barrier
biodegradable TPU (brand)
Certification
OEKO-TEX Standard 100
Gusset lining
95% organic cotton

Certifications

How strong is the research? What our grades mean ›
Strong research
Independent certification or lab data for the specific claim.
Promising research
The material is well supported, but there is no product-level testing.
Early research
Little independent research.
Mixed research
Research findings disagree.
£
Under £20
££
£20 to £79
£££
£80+

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ResearchStrong researchPromising researchEarly researchPromising research
LinkYou're hereView ›View ›View ›

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Sources

  1. fluxundies.com
  2. oeko-tex.com