Methylchloroisothiazolinone

icky

Details

This totally unpronounceable ingredient (let’s take a shortcut: MCI) is a super effective preservative with both antibacterial and antifungal effects that works at very low concentrations.

The bad news with it though is that it can sensitize the skin easily (it’s a so-called non-fragrance allergen). It’s not permitted to be used alone, but only with its BFF, methylisothiazolinone (MI), another icky preservative. Together they have a broad spectrum antimicrobial effect but are permitted to be used only in rinse-off products (under 0.0015%).

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Products with Methylchloroisothiazolinone

Dove Go Fresh Face Cleanser Natio Pore Unclogging Face Scrub Asepxia Acne Facial Cleanser Dr Sebagh Serum Repair Skin B5 Acne Control Cleansing Mousse Suave Ocean Breeze Shampoo Clarins Pure Melt Cleansing Gel Himalaya Herbals Puryfing Neem Face Wash Joelle Ciocco Lotion Lactee/Perfecting Lotion TRESemmé Botanique Nourish + Replenish With Coconut Milk & Aloe Vera Conditioner Aesop Fabulous Face Cleanser Pantene Daily Moisture Renewal Conditioner Aunt Jackie's Don'T Shrink Flaxseed Elongating Curling Gel Aussie Deep Treatment 3 Minute Miracle Moist Freeman beauty Cleansing Apple Cider Vinegar Clay Mask + Scrub Freeman beauty Detoxifying Charcoal + Black Sugar Head & Shoulders Classic Clean Shampoo tgin Honey Miracle Hair Mask Arctic Fox Hair Color Corine de farme Conditioner Freeman beauty Exfoliating Pink Grapefruit Facial Scrub Organic Care Shampoo Dry Nourish Peter Thomas Roth Mega Rich Conditioner Urban Skin Rx Ph Balance All Skin Toner Aesop Purifying Facial Exfoliate Paste Clinique City Block Purifying Charcoal Cleansing Gel Joelle Ciocco Lotion Aromatique/Botanical Lotion Real Techniques Brush Cleansing Gel Aesop Classic Conditioner Clarins Gentle Foaming Cleanser With Cottonseed "Normal/Combination Skin" Joelle Ciocco Creme Emulsionnante/Gentle Cleansing Cream Joelle Ciocco Eyelisse/Eye Lip Contour Cream MALIN + GOETZ Grapefruit Face Cleanser Obey Your Body Mineraux Purifying Gel Peel Urban Veda Rose & Botanics Daily Reviving Facial Wash Wen Fig Cleansing Conditioner HASK Charcoal With Citrus Oil Purifying Shampoo Wardah Sun Care Sunscreen Gel Spf 30 Pa+++ Aussie Deep Treatment 3 Minute Miracle Reconstructor Avon True Nutra Effects Refreshing Gel Cleanser Darphin Cleansing Foam Gel Head & Shoulders Itchy Scalp Joelle Ciocco Lait Onctueux Capital Joelle Ciocco Lait Onctueux/Sensitive Cleansing Milk Pantene Pro-V Advanced Carr Shampo Aesop Nurturing Conditioner Origins Dr. Andrew Weil For Origins Mega-Bright Skin Illuminating Cleanser Philosophy Pure Grace Olay Refreshing Gel Cleanser Sabon Exfoliant

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