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 21, 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
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
Method
Savon mains
Lists fragrance, sulfates, 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
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
Auchan
Shampoing extra doux Cèdre & Eucalyptus antipelliculaire
Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
shampoo
Lists fragrance, sulfates, coconut derivatives
Unilever
Shampoo Dove Hidratação + Vitaminas A e E 400ml
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, chemical UV filters, formaldehyde releasers, coconut derivatives
Unilever
Shampoo Dove Men +Care Limpeza Refrescante com 400ml
Lists fragrance, fragrance allergens, sulfates, formaldehyde releasers, coconut derivatives
Head & Shoulders
Shampoo Manzana Fresh
Lists fragrance, sulfates, silicones, coconut derivatives
Unilever
Shampooing anarchy
Lists fragrance, fragrance allergens, sulfates, silicones, formaldehyde releasers, coconut derivatives
Head & Shoulders
Shampooing anti-pelliculaire soin anti-démangeaisons à l’extrait d’eucalyptus
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire + après shampooing anti-démangeaisons 2 en 1
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire + après-shampooing 2 in 1 anti-chute
Lists fragrance, fragrance allergens, sulfates, silicones, formaldehyde releasers, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire + après-shampooing 2 in 1 Classic (lot de 2)
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire + après-shampooing 2 in 1 Menthol Fresh
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire + après-shampooing 2 in 1 Sensitive
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
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