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 22, 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
Hair Biology
Silver conditioner
Conditioner · Lists fragrance, fragrance allergens, silicones
Hair Biology
Silver shampoo
Shampoo · Lists fragrance, sulfates, coconut derivatives
Black Opal
Skin Brightening Treatment - Brightening Face Scrub
Exfoliant · Lists fragrance
Asda
Sleep & Relax Bath Soak
Lists fragrance, fragrance allergens, essential oils, sulfates, chemical UV filters, coconut derivatives
Herbal Essences
Smooth Rose Hips Hair Smoothing Conditioner
Conditioner · Lists fragrance, fragrance allergens, silicones
Smooth Rose Hips Shampoo
Lists fragrance, sulfates, salicylic acid, coconut derivatives
Nivea
Soft & cream
Lists fragrance
Olay
Spoonful of Sugar Body Wash
Body wash · Lists fragrance, sulfates, coconut derivatives
Banana Boat
Sport Performance Advanced UVA/UVB Sunscreen
Sunscreen · Lists retinoid, chemical UV filters, coconut derivatives
Suave
Sun Ripened Strawberry Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid
Henkel
Super Croix - Bora Bora Flüssigwaschmittel [3,010liter]
Lists fragrance, fragrance allergens
Olay
Super Serum Body Wash for Bumps & Uneven Textured Skin , Serum Complex for Luminous Skin
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Extra Dry Skin
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Extra Dry Skin , Serum Complex for Luminous Skin
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Normal Skin
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Old Spice
Swagger
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
sweet cinnamon pumpkin shower gel
Lists fragrance allergens, chemical UV filters
Hask Tea Tree
Tea Tree Shampoo
Lists fragrance, fragrance allergens
Paul Mitchell
Tea Tree Special Shampoo
Shampoo · Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Teatrical
Teatrical crema
Lists fragrance, fragrance allergens
Philosophy
The Microdelivery Exfoliating Facial Wash
Lists fragrance allergens, coconut derivatives
treacle moon
The raspberry kiss
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Unilever
Timotei Après Shampoing Cheveux Normaux
Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Unilever
Timotei Après Shampoing Femme enrichie aux Huiles d’Argan Bio et d’Amande et Fleur de Jasmin Lot 2x300ML
Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
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