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
body wash
Lists fragrance, coconut derivatives
Old Spice Moisture With Shea Butter
Body Wash
Lists fragrance, sulfates, coconut derivatives
Body Wash
Lists fragrance, sulfates, coconut derivatives
Suave
Bonding Infusion Repairing Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Bio Renew
Bourbon Manuka Honey Shampoo
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Calgon
Lists fragrance
Sedal
Ceramidas
Lists fragrance, fragrance allergens, exfoliating acid, retinoid, silicones
Suave
Ceramide Infusion Age Brilliance Conditioner
Conditioner · Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
Suave
Ceramide Infusion Age Brilliance Shampoo
Shampoo · Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
Herbal Essences
Chamomile Shine Conditioner
Conditioner · Lists fragrance, fragrance allergens, silicones
Pantene
Champoings
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Lidl
Champu clasico cien
Lists fragrance, sulfates, coconut derivatives
Herbal Essences
Champú frambuesa dorada y menta
Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Herbal Essences
Champú purificante fresa blanca y menta dulce
Lists fragrance, fragrance allergens, drying alcohol, essential oils, sulfates, coconut derivatives
Pantène
Cheveux fins Force & Brillance
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Cien
Cien Gel de baño Zero
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Cien
Cien gel de ducha aloe vera
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Head & shoulders
Citrus Fresh (200ml offert)
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
clairol
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid
Kristin Ess
Clarifying Shampoo
Shampoo · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Herbal Essences
Clarifying Tea Tree Shampoo
Shampoo · Lists fragrance, essential oils, sulfates, coconut derivatives
Head & Shoulders
Classic
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Classic Après-Shampooing
Lists fragrance, fragrance allergens, silicones
Clay Mask
Lists fragrance, fragrance allergens, essential oils, formaldehyde releasers
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