Methylisothiazolinone allergy information. Products free from all isothiazolinone preservatives, including household & cosmetics. Edited by @FreeFromWriter
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Joined January 2016
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Methylisothiazolinone Free retweeted
Sun Bum.
Markets itself as the clean choice. Still contains homosalate, octocrylene, and methylisothiazolinone.
That last one is an allergen the EU banned from leave-on products.
Source: EU SCCS Opinion on MI, 2014
Methylisothiazolinone Free retweeted
A new Facebook page dedicated to Allergic Contact Dermatitis, including metal allergies, preservative allergies and fragrance allergies. #skinallergy
facebook.com/NewsACD
Methylisothiazolinone Free retweeted
Cross-reactivity of isothiazolinone derivatives causing allergic contact dermatitis @MatthewBowdish
Methylisothiazolinone Free retweeted
Since February 2025, we have consistently utilized 2-n-Octyl-4-isothiazolin-3-one a.k.a. #octylisothiazolinone #OIT 0.1% pet, as part of the European Comprehensive Baseline Patch Series. @MatthewBowdish
Methylisothiazolinone Free retweeted
⚠️ Product Recall: Toy Make-Up Kits (2505-0086) presenting a serious chemical risk as the nail varnishes included in each kit contain methylisothiazolinone, which is not permitted for use in leave-on products due to skin sensitisation concerns.⚠️
gov.uk/product-safety-alerts…
#UkRecallsAndAlerts #ProductRecall
Methylisothiazolinone Free retweeted
Lots of household detergents use MI or related isothiazolinone preservatives. They're used widely in paint as well — a huge problem.
Methylisothiazolinone Free retweeted
After using a new shampoo, a reader breaks out in a rash on her ears. The shampoo contains methylisothiazolinone (MI). Could that be the cause? Dermatologist @DrSkotnicki explains that MI was behind one of the dermatology field's more serious allergy outbreaks. Learn more:
Methylisothiazolinone Free retweeted
#RappelProduit POP GIRL COLOR TRAIN CASE-kit de maquillage pour enfants-Markwins
Risques: Blessures, Brûlures
Motivé: présence d'un mélange de methylchloroisothiazolinone et methylisothiazolinone, non autorisé dans les produits cosmétiques non rincés
rappel.conso.gouv.fr/fiche-r…
Methylisothiazolinone Free retweeted
#RECALL: White Jasmine Facial Skin Tonic recalled due to presence of methylisothiazolinone: ow.ly/q7BR50OG7np
ALT Generic image for recall.
Methylisothiazolinone Free retweeted
Allergy to methylisothiazolinone decreased in Europe but data up to 2018 shows continued increase in North America ja.ma/3mVHwF5
Methylisothiazolinone Free retweeted
Australian mascara sought! Anyone have suggestions for nickel-safe and MI-free mascara? See El's request (latest comment) below. @freefrommi #nickelallergy allergy-insight.com/nickel-f…
Methylisothiazolinone Free retweeted
New article: Nickel tested hair dye / color. #nickelallergy
allergy-insight.com/nickel-t…
Methylisothiazolinone Free retweeted
Although #methylisothiazolinone/MI-sensitized patients are often also sensitized to OIT, many patients appear also to be cosensitized to BIT [Herman A et al. Contact Dermatitis. 2021;85(6):643-649] onlinelibrary.wiley.com/doi/…
@WillHayCardiff @FreeFromMI
Methylisothiazolinone Free retweeted
Living with Methylisothiazolinone Allergy is now available in English (mi-free.com/mi-allergy-paper…) as well as in Spanish as Vivir con alergia a la metilisotiazolinona (mi-free.com/vivir-con-alergi…).
#methylisothiazolinone #metilisotiazolinona
Methylisothiazolinone Free retweeted
A poor article. Allergy to MI affects 10% of those patch tested / suspected of having contact allergies - NOT 10% of the population - and you won't see 'formaldehyde' in a list of ingredients in any cosmetic. Other highly questionable statements. Gives #freefrom a bad name.
Hair loss treatment: The 11 common but harmful ingredients in shampoo to AVOID
express.co.uk/life-style/hea…
Methylisothiazolinone Free retweeted
Current Issue: Patch Testing With Methylchloroisothiazolinone/Methylisothiazolinone Using a New Diagnostic Mix—A Multicenter Study From the International Contact Dermatitis Research Group dlvr.it/S4l6qG
Methylisothiazolinone Free retweeted
Excuse the indulgence, but a niche allergy book I wrote several years ago is today released in Spanish. This was a self-published and -funded project, but the satisfaction of seeing one's work in a foreign language (this is my fourth), is just as strong. 1/3
The Spanish translation of Living with Methylisothiazolinone Allergy — Vivir con alergia a la metilisotiazolinona — has been published today. It is translated from the English by @Parvadas1. #metilisotiazolinona #KathonCG
mi-free.com/living-with-mi-a…
Methylisothiazolinone Free retweeted
European Standard Battery numbers 20, 40 and some at 45, 46 depending
Tweetorial - Isothiazolinones.
#contactdermatitis #patchtest #medtwitter #dermtwitter #MedEd #nopopculturereference #allergy
Try as I might, I can't link this to any pop culture reference.
Methylisothiazolinone Free retweeted
No response yet from @elfcosmetics. I have emailed their UK customer care office too.
Warning re: @elfcosmetics eyeliner in the UK listing MCI as an ingredient — which is illegal in EU. Could you clarify whether this is incorrect, please, e.l.f.? facebook.com/mifree/posts/26…