Methylchloroisothiazolinone
Methylchloroisothiazolinone is a preservative ingredient. It’s in 327 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, usually paired with methylisothiazolinone. Rinse-off products only in the EU.
What it does
Contains Methylchloroisothiazolinone: preservative
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 35333, accessed October 22, 2026.
Products that contain Methylchloroisothiazolinone
Head & Shoulders
Shampooing antipelliculaire sensitive Head and Shoulders
Lists fragrance allergens, drying alcohol, sulfates, silicones, coconut derivatives
Unilever
Shampooing Blond Lumière - Timotei
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, formaldehyde releasers, coconut derivatives
Cora
Shampooing douche Relax
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Cora
Shampooing Doux cheveux blonds Camomille
Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Cora
Shampooing doux Cheveux chatains à bruns Noix & Henné
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Cora
Shampooing Doux cheveux gras Menthe & citron
Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Cora
Shampooing Doux cheveux normaux Pomme & tilleul
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Cora
Shampooing Doux Cheveux secs & abimés Amande & Abricot
Lists fragrance, fragrance allergens, drying alcohol, sulfates, silicones, formaldehyde releasers, coconut derivatives
Auchan
Shampooing extra-doux Camomille & Mimosa
Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
John Frieda
Sheer Blonde Everlasting Blonde Shampooing prolongateur de couleur
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
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
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
Pantene
Summer Edition restauración shampoo
Lists fragrance, sulfates, silicones, coconut derivatives
Suave
Sun Ripened Strawberry Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid
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
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