Methylisothiazolinone
Methylisothiazolinone is a preservative ingredient. It’s in 375 products on Poliage, most often conditioner, shampoo and body wash. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
In plain English
A synthetic preservative used in small amounts in water-based products.
What it does
Contains Methylisothiazolinone: preservative
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 35341, accessed October 22, 2026. Also listed as mit and kathon cg.
Products that contain Methylisothiazolinone
prosilk salon essential oil infused moisturizing shampoo
Lists fragrance, coconut derivatives
Bath & Body Works
Pumpkin Cupcake Gentle Foaming Handsoap with Natural Essential Oils
Lists fragrance, fragrance allergens, sulfates, chemical UV filters, coconut derivatives
Pure Romance conditioning shaving cream
Lists fragrance
Herbal Essences
Purifying Tea Tree Conditioner
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones
real clean hand soap
Lists fragrance, fragrance allergens, sulfates, chemical UV filters, coconut derivatives
Pantene
Repair & Protect
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Aussie
Repair Miracle Shampoo
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
L’Oréal
Respons Shine Shampoo Mother of Pearl & Cherry Extract
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Auchan
Rik & Rok douche shampoing et bain moussant fruits rouges
Lists fragrance, sulfates, coconut derivatives
Herbal Essences
Rose Hips Conditioner
Lists fragrance, fragrance allergens, silicones
Suave
Rose Oil Infusion Volumizing Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
Unilever
Sakura Bloom Soap
Lists fragrance, essential oils, coconut derivatives
Head & Shoulders
Sanfte Pflege (3 Action Formula)
Lists fragrance, fragrance allergens, drying alcohol, sulfates, silicones, coconut derivatives
Head & Shoulders
Seidig & Glänzend
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Sensitive
Lists fragrance allergens, drying alcohol, sulfates, silicones, coconut derivatives
Walmart
sensitive skin equate
Lists fragrance, coconut derivatives
Aésop
Sérum anti-oxydant à la graine de persil pour les yeux
Lists fragrance allergens
head & shoulders
shampoing 2en1
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampoing 2en1 citrus fresh
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampoing antipelliculaire + après shampoing force & densité
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampoing antipelliculaire classic
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampoing antipelliculaire pour homme
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampoing classic
Lists fragrance, fragrance allergens, sulfates, silicones
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