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
Suave
Keratin Infusion Color Care Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones, chemical UV filters, formaldehyde releasers
Suave
Keratin Infusion Color Care Shampoo
Shampoo · Lists fragrance, exfoliating acid, silicones, chemical UV filters, formaldehyde releasers, coconut derivatives
Suave
Keratin Infusion Smoothing Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones, formaldehyde releasers
Suave
Keratin Infusion Smoothing Shampoo
Shampoo · Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
TRESemmé
Keratin Repair Bond Plex Conditioner
Lists fragrance, fragrance allergens, exfoliating acid, silicones
kroger hand soap
Lists fragrance
Bath & Body Works
Marble 3-In-1 Hair, Face, and Body Wash
Body wash · Lists fragrance, fragrance allergens, sulfates, chemical UV filters
Head & Shoulders
Men Male Care
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Men Sport Fresh
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Men ultra anti-chute
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Dove
Men+Care Cooling Menthol 2in1 Anti-Dandruff Shampoo + Conditioner
Shampoo · Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
Dove
Men+Care Fresh & Clean Fortifying 2-in-1 Shampoo + Conditioner
Shampoo · Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
Dove
Men+Care Sport Care Active + Fresh 3-in-1 Shampoo + Conditioner + Body Wash
Shampoo · Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
Dove
Men+Care Thick & Strong Fortifying 2-in-1 Shampoo for Thin Hair
Shampoo · Lists fragrance, sulfates, formaldehyde releasers, coconut derivatives
Head & Shoulders
Menthol fresh
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Milde Pflege Bei Juckender Kopfhaut
Lists fragrance, fragrance allergens, essential oils, sulfates, silicones, coconut derivatives
Dove
Mineral Hair Mask Smoothes + Pink Clay
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Aussie
MIRACLE COILS HYDRATING CONDITIONER
Conditioner · Lists fragrance, fragrance allergens, silicones
Aussie
MIRACLE CURLS CONDITIONER
Conditioner · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Aussie
MIRACLE CURLS SHAMPOO
Shampoo · Lists fragrance, sulfates, silicones, coconut derivatives
Aussie
Miracle Curls with Coconut and Jojoba Oil and Paraben Free Conditioner
Lists fragrance, fragrance allergens, silicones
Aussie
Miracle Curls with Coconut and Jojoba Oil and Paraben Free Shampoo
Lists fragrance, sulfates, silicones, coconut derivatives
Aussie
Miracle Curls with Coconut and Jojoba Paraben-Free Conditioner
Lists fragrance, fragrance allergens, silicones
Aussie
MIRACLE MOIST CONDITIONER
Conditioner · Lists fragrance, fragrance allergens, silicones
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