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
pantene
Lists fragrance, sulfates, silicones, coconut derivatives
Pantene Daily Moisture Shampoo
Lists fragrance, sulfates, silicones, coconut derivatives
Pantene
Pantene Pro V Color Protect
Shampoo · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Pantene
Pantene Pro-V 3 in 1 Shampoo + Balsamo + trattamento
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Pantene
Pantene PRO-V Intensive REPAIR
Lists fragrance, fragrance allergens, silicones
Pantene
Pantene Pro-V Repair & Protect Conditioner
Conditioner · Lists fragrance, fragrance allergens, silicones
Pantene
Pantene ProV
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
pantene shampoo
Lists fragrance, sulfates, silicones, coconut derivatives
Pantene Shampoo
Lists fragrance, sulfates, silicones, coconut derivatives
pantene volumizing shampoo mint and ginseng
Lists essential oils, sulfates, coconut derivatives
Eden BodyWorks
Peppermint Tea Tree Clarifying Shampoo
Shampoo · Lists essential oils, coconut derivatives
Pantene
PRO-V Glatt & seidig Pflegespülung
Lists fragrance, fragrance allergens, drying alcohol, silicones
Pantene
Pro-V Hair Superfood Conditioner
Lists fragrance, fragrance allergens, silicones
Pantene
Pro-V VitaGlow Repair & Care Shampoo
Lists fragrance, fragrance allergens, sulfates
prosilk salon essential oil infused moisturizing shampoo
Lists fragrance, coconut derivatives
Unilever
Prostyletech Keratin Smooth Color Anti-Fade Conditioner
Lists fragrance, fragrance allergens, exfoliating acid, silicones
Bath & Body Works
Pumpkin Cupcake Gentle Foaming Handsoap with Natural Essential Oils
Lists fragrance, fragrance allergens, sulfates, chemical UV filters, coconut derivatives
Herbal Essences
Purifying Tea Tree Conditioner
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones
real clean hand soap
Lists fragrance, fragrance allergens, sulfates, chemical UV filters, coconut derivatives
Pantene
Repair & Protect
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
L’Oréal
Respons Shine Shampoo Mother of Pearl & Cherry Extract
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Auchan
Rik & Rok douche shampoing et bain moussant fruits rouges
Lists fragrance, sulfates, coconut derivatives
Herbal Essences
Rose Hips Conditioner
Lists fragrance, fragrance allergens, silicones
Suave
Rose Oil Infusion Volumizing Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
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