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Post-It Notes — Indications of PFAS “Forever Chemicals” — Lab Results

Mamavation » Blog » Science | Mamavation » Post-It Notes — Indications of PFAS “Forever Chemicals” — Lab Results
Post-It Notes PFAS "forever chemical" lab results

March 24, 2023 //  by Leah Segedie

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Do Post-It Notes contain indications of PFAS “forever chemicals?” We sent this common office product used every day by millions of Americans to an EPA-certified lab looking for organic fluorine, an indicator of PFAS “forever chemicals” to find out. You’ve trusted Mamavation to bring you topics like safest cookware without PFAS “forever chemicals,” best air purifiers, & best yoga pants without PFAS in the crotch, now join us for the lab results of Post-It Notes and testing for indications of PFAS “forever chemicals.”

Disclosure: This post was medically reviewed by Sondra Strand, RN, BSN, PHN. This post also contains affiliate links.

Early Puberty in Girls Linked to Cosmetic Chemicals Study Finds 1

Table of Contents

  • Health Effects Linked to Exposure to PFAS “Forever Chemicals”
  • Mamavation Finds Traces of PFAS “Forever Chemicals” In Other Adjacent Industries
  • Other Industries Using PFAS “Forever Chemicals”
  • Results of PFAS Organic Fluorine Marker Testing for Post-It Notes
    • Results from our Laboratory on Post-It Notes:

Health Effects Linked to Exposure to PFAS “Forever Chemicals”

PFAS “forever chemicals” are per- and polyfluoroalkyl substances used as stain-resistant, water-resistant, & oil-resistant chemicals in commerce. They have been used for decades inside consumer products, manufacturing, and building materials. There are over 12,000 different chemicals in the PFAS chemical class (including PFOA & PTFE), and because there are so many of them, they are incredibly hard to identify and test for.

PFAS “forever chemicals” are problematic to human health and the environment. They are considered persistent, ubiquitous, and toxic, and therefore, it’s important you avoid them as much as you can to keep them from building up in our bodies. Many compounds can last for years in our bodies, therefore, it’s imperative to reduce the amount of PFAS you are exposed to from contaminated food and water.

Here’s a list of health effects PFAS chemicals are linked to presently according to our scientific advisor and Former Director of the National Institute of Environmental Health Sciences and National Toxicology Program, Linda Birnbaum:

  • reduction in immunity
  • reduced vaccination response
  • increased risk of allergies & asthma in young children
  • affect the growth, learning, and behavior of infants and older children
  • increase cholesterol levels
  • metabolic diseases like obesity & diabetes
  • cardiovascular disease
  • lower a woman’s chance of getting pregnant
  • lowers male fertility
  • increase the risk of kidney & testicular cancers
  • Causes endocrine disruption
  • Disrupts normal thyroid function

Cover Girl Makeup Sued For PFAS "Forever Chemicals" & False Advertising 2

Mamavation Finds Traces of PFAS “Forever Chemicals” In Other Adjacent Industries

PFAS, otherwise known as per- and polyfluoroalkyl substances (aka PFCs or perfluorinated chemicals, including PFOA and PFOS) are added to many products we purchase to make them “stain-resistant,” “grease-proof,” and “water-resistant.”

As we are writing this, Mamavation has finished 18 consumer studies looking for indications of PFAS inside everyday items and food we bring into our homes. In these studies, we have learned quite a bit about where PFAS chemicals hide in everyday products. Learn more about our other PFAS consumer studies here:

  • Nut Butters
  • Pasta & Tomato Sauce
  • Cooking Oils
  • Activewear
  • Sports Bras
  • Green Beauty Makeup
  • Period Underwear
  • Ketchup
  • Parchment Paper
  • Cupcake Liners
  • Plastic-Free Straws
  • Bamboo Flooring
  • Toilet Paper
  • Tampons
  • Sanitary Pads & Incontinence Pads
  • Dental Floss
  • Baby Strollers
  • Children’s Probiotics

Close-up Of A Person's Hand Using Toilet Paper

Other Industries Using PFAS “Forever Chemicals”

PFAS chemicals have been used for decades to create stain resistance, water resistance, and grease-proof qualities in products to which they are added. If you’ve heard of coatings such as “Teflon” on cookware, fabrics made from “Gore-Tex” or treatments on carpets like STAINMASTER®, you’ve already heard about PFAS chemicals. Here’s more of what you may not have been aware of:

  • Textiles & Fabrics: PFAS chemicals are very commonly found in industries such as textiles & fabrics to create stain-resistance, water-resistance, or “sweat-wicking.” To help you here, Mamavation has tested athletic wear, sports bras, and period underwear. We’ve also conducted other consumer studies on bedding, children’s clothing, infant car seats,  jackets, & raincoats.
  • Food Packaging: In food packaging, they are used in popcorn bags, pizza boxes, fast food wrappers & canisters, and the flat dish on the bottom of cakes at the grocery store. Mamavation has also tested different parchment paper brands for indications of PFAS.
  • Personal Care Products: The beauty industry has been notoriously guilty of using PFAS to create a waterproof or long-lasting effect in makeup products. So Mamavation tested the most popular green beauty makeup brands, and we have also found some issues with period underwear, tampons, and sanitary pads. We also found quite a bit of detection in dental floss.
  • Toilet Paper: Mamavation found indications of PFAS in 24% of the toilet paper we sent to the lab. However, we also found plenty of ‘best” and “better” brands. Go take a look!
  • Cookware: Most “non-stick” cookware is coated with PFAS chemicals, including some stainless steel cookware, and small kitchen appliances like air fryers. Check out Mamavation’s investigation on cookware.
  • Carpeting & Flooring: PFAS has also been used in carpeting & flooring. Do you remember StainMaster™ carpet? That was PFAS. However, not all carpet has indications of PFAS. We recently tested one brand you can safely purchase. Mamavation also tested several bamboo flooring brands and found one brand that was free from PFAS.
  • Furniture: Watch out for “stain-resistant” treatments on furniture. We have not done any testing in this category yet.
  • Fire Fighting Foam: PFAS was used in firefighting foams and they have unfortunately been used extensively around military bases and airports. If you live close to a military base or airport, check with your local water district to see if they have tested the water for PFAS.
  • Metal Plating, Semiconductors, Lubrications, & Coating Additives: Lots of industrial applications of PFAS are used to keep equipment from rusting, getting overheated, or provide water-resistant, or grease-resistant qualities.
  • Drinking Water: Sadly, there are lots of places around the United States and all over the world that have drinking water contaminated with PFAS. Most of these areas are by military bases, airports, and other industrial parks that used PFAS for firefighting or other such uses. Luckily, Mamavation has done an investigation of the best water filters to remove PFAS.
  • Car Wax, Ski Wax, & Surfboard Wax: Yes, you guessed it. PFAS is used here for its grease & water-resistant qualities.
  • Some Processed Food: Mamavation has found indications of PFAS inside pasta & tomato sauces, nut butters, cooking oils, and ketchup. We are presently working on other food categories right now.

Post-It Notes PFAS "forever chemical" lab results

Results of PFAS Organic Fluorine Marker Testing for Post-It Notes

Mamavation sent Post-It Notes purchased on Amazon off to an EPA-certified lab looking for indications of PFAS “forever chemicals.” The specific lab method used by Mamavation tested for total fluorine by using the Determination of Total Fluorine by Oxygen Flask Combustion and Ion-Selective Electrode. If detectable total fluorine was observed at a detection level of 10ppm, the lab did the Determination of free Fluoride Ion in the tablet by Ion-Selective Electrode and then subtracted that from the Total Fluorine to determine the amount of organic fluorine.

Organic fluorine testing is marker testing. There are over 12,000 different PFAS chemicals in commerce and it’s impossible to identify all of them. In fact, it’s only possible to identify about 100 or so in a really good commercial lab. Therefore, we do marker testing instead looking for the element they all have in common–organic fluorine. What else could organic fluorine possibly contain other than PFAS? Nothing you want to touch. The other main possibilities are other fluoropolymers, pharmaceuticals, and common hydrofluorocarbon refrigerants, such as 1,1,1,2-tetrafluoroethane (commonly known as R-134a) and 2,3,3,3-tetrafluoropropene (commonly known as HFO-1234yf).

Results from our Laboratory on Post-It Notes:

  • Post-It Notes — 22 parts per million (ppm) organic fluorine

What does this mean? This means our lab detected trace amounts of organic fluorine within Post-It Notes. Organic fluorine is indicative of PFAS “forever chemicals,” therefore we do not recommend using this product.

3M, owner of Post-It Notes, has declared they will be no longer producing PFAS chemicals by end of 2025, so we are planning on re-testing at that time.

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  • Toxic Phthalate & Fire Retardant Exposure to Children in Mattresses Study
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Previous Post: «Cupcake Liners tested for indications of PFAS "forever chemicals" Cupcake Liners Tested For Indications of PFAS “Forever Chemicals” — Buying Guide
Next Post: Scotch Magic Tape — Indications of PFAS “Forever Chemicals — Results from Lab Scotch Tape PFAS "forever chemical" results»

Reader Interactions

Comments

  1. Ray

    August 3, 2024 at 2:47 pm

    Any suggestions for an alternative?

    Reply
  2. Read

    July 22, 2024 at 5:44 pm

    Can someone offer an alternative for Post-It notes? My child’s teacher is requesting these for their school supply list!
    Thank you!

    Reply
  3. Lisa Shield

    May 21, 2024 at 4:59 pm

    I HATE corporate America. How can they place more value on money than human lives? I am so sickened by this. I LOVE Post-Its. Love them. I hailed them as one of the great inventions of the 20th century. This is f-d up.

    Reply
  4. basketbros

    May 2, 2024 at 9:48 pm

    Thank you for providing this important information. I’m having problems coming up with many questions about this subject. I will stick with you!

    Reply
  5. Scatter Pink

    April 28, 2024 at 3:56 am

    The website Just wanna for the valuable insights you provide.

    Reply
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    February 3, 2024 at 6:12 am

    very good blog Senarai Filem Online thanks

    Reply
  7. nomi88

    December 6, 2023 at 5:35 pm

    I’m sincerely grateful for your generosity in sharing this compelling article. the amazing digital circus

    Reply
  8. Christina

    August 13, 2023 at 4:43 pm

    So appreciate your research, is there any alternatives you would suggest?

    Reply
    • Read

      July 23, 2024 at 9:41 am

      Would love to get alternatives, as my child’s teacher is requesting these for their school supply list this August 2024.

      Reply
  9. Anonymous

    May 16, 2023 at 10:58 pm

    NwtdGiSp’ OR 395=(SELECT 395 FROM PG_SLEEP(15))–

    Reply
  10. Anonymous

    May 16, 2023 at 10:57 pm

    -5) OR 96=(SELECT 96 FROM PG_SLEEP(15))–

    Reply
  11. Anonymous

    May 16, 2023 at 10:57 pm

    1 waitfor delay ‘0:0:15’ —

    Reply
  12. Anonymous

    May 16, 2023 at 10:56 pm

    if(now()=sysdate(),sleep(15),0)

    Reply
  13. Anonymous

    May 16, 2023 at 10:56 pm

    1

    Reply
  14. Lokio

    March 29, 2023 at 8:14 pm

    Are you freaking kidding me right now?! Who would have thought in a million years that little square pieces of that sticky paper could be toxic. Nothing surprises me anymore when it comes to murder-intensive governments and corporations who are hellbent on depopulation. For 5 years, I’ve had 55 sticky notes plastered all over my walls in preparation to get my walls painted. These 55 colourful sticky notes were placed on all 4 walls to mark all the places where there is damaged wallpaper in order to make things easier for the painter to identify. I was going to get a painter to go over and fix up the damaged wallpaper, then I was going to hire an EMF specialist to Faraday shield my backyard bedroom from 5G Wi-Fi poison. 5 years later and I still keep delaying getting this bedroom done due to my constantly busy workload, and being unable to find an EMF specialist who lives within my local area here on the central east coast of NSW, Australia. Within these 5 years the colour in the paper has faded and the paper has curled up into a ball.

    For 5 years, I’ve been trying to figure out what could possibly be causing this seborrheic dermatitis and the recent occurrence of blurry vision when looking at objects up close. I would be utterly surprised if this colourful sticky paper had anything to do with it despite running a Winix Zero+ 5-stage air purifier.

    Thanks for bringing this article to my attention. I have now obviously removed all 55 pieces of this sticky paper from my walls. If this rash on my face, neck and chest begins clearing up, then I owe you a very big fat thank you. Ha-ha.

    Thanks for creating this wonderful, eye-opening website. You’re absolutely awesome, Leah. I love you and the work that you do when it comes to exposing who all the poisoners are. Take care. 🙂

    Reply
    • F

      July 18, 2023 at 1:32 am

      Your just old now

      Reply

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