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

deal worthy
Lists fragrance, sulfates, coconut derivatives
SECRET BODY WASH
Secret
Deodorizing Body Wash for Women Light & Fresh
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
SECRET BODY WASH
Secret
Deodorizing Body Wash for Women Lilac & Waterlily
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
SECRET BODY WASH
Secret
Deodorizing Body Wash for Women Peach & Vanilla
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
HENKEL
Henkel
Detox Purificante
Lists fragrance, sulfates, coconut derivatives
dove conditioner
Lists fragrance, exfoliating acid, silicones
DOVE
Dove
Dove ritual de reparacion
Lists fragrance, fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
UNILEVER
Unilever
Dove Shampoing Color Care
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, chemical UV filters, formaldehyde releasers, coconut derivatives
dr teal’s
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
dr teals body wash
Lists fragrance, fragrance allergens, sulfates, silicones
Dr Teals Foaming Bath with Pink Himalayan Salt
Lists fragrance, sulfates, silicones, coconut derivatives
DOVE CONDITIONER
Dove
Dry Scalp Care Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
AXE
Axe
Dual 2 in 1 Shampoo + Conditioner
Lists fragrance, fragrance allergens, sulfates, silicones, formaldehyde releasers, coconut derivatives
OLAY BODY WASH
Olay
Elasticity Boosting Body Wash with Collagen Peptide Serum Complex
Body wash · Lists fragrance, sulfates, coconut derivatives
L’ORÉAL
L’Oréal
Elseve Fibralogy Shampooing créateur de matière (maxi format)
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, coconut derivatives
L’ORÉAL
L’Oréal
elvital fibralogy
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates
DOVE CONDITIONER
Dove
Endless Waves Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
Equate Clear Liquid Hand Soap
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
ARM & HAMMER
Arm & Hammer
Essentials Moisturizing Shower Gel
Lists fragrance, sulfates, coconut derivatives
HERBAL ESSENCES
Herbal Essences
Farb Booster
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
DR TEAL’S
Dr Teal’s
Foaming Bath
Lists fragrance, sulfates, silicones, coconut derivatives
DR TEAL’S
Dr Teal’s
Foaming Bath with Pure Epsom Salt Cannabis Sativa Hemp Seed Oil with Essential Oil Blend
Lists fragrance, essential oils, sulfates, silicones
HEAD & SHOULDERS
head & shoulders
for men
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives

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