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Methylisothiazolinone

icky
What-it-does: preservative

Details

As you may guess, if something is only recommended in products that you rinse off (cleansers and shampoos), then it’s probably not the best ingredient for the skin.

Methylisothiazolinone (MI) is a preservative that' super efficient against bacteria at surprisingly low concentrations. The problem with it though is that it can also sensitize and irritate the skin quite easily when it comes in leave-on formulas.

Currently, some countries are considering to ban it entirely (like Denmark) and the permitted use level is very low (under 0.01%). Luckily there are plenty of products on the market with other preservative options so if you are a better safe than sorry type it's probably best to avoid it. 

Products with Methylisothiazolinone

MILVA Rose Water Dove Go Fresh Face Cleanser Bruno Vassari Extra Rich Cleansing Foam Makeup Artist's Choice Gly-Luronic Miracle Correction Serum SSCPL Herbals Detan Face Pack Himalaya Refreshing And Clarifying Toner grace & stella Aloe Vera Gel Skin B5 Acne Control Cleansing Mousse Himalaya Youth Eternity Night Cream Natio Pore Unclogging Face Scrub Simple Foaming Cleanser Asepxia Acne Facial Cleanser Australian Pure Beauty Moisturiser Sensitive Sorbolene Dr Sebagh Serum Repair Hada Labo Mild & Sensitive Skin Face Wash Natura Loção Hidratante Protetora Suave Ocean Breeze Shampoo BIOSILK Silk Therapy Conditioner Himalaya Herbals Puryfing Neem Face Wash Joelle Ciocco Lotion Lactee/Perfecting Lotion Lotus Herbals Safe Sun Uv Screen Matte Gel With Spf 50 Lotus Herbals Safe Sun Uv Screen Matte Gel With Spf 50 And Pa+++ Nivea Visage Q10 Plus Anti-Wrinkle Eye Refreshing Roll-On TRESemmé Botanique Nourish + Replenish With Coconut Milk & Aloe Vera Conditioner AcneFree Therapeutic Sulfur Mask BioAqua Aloe Vera 92% Soothing Gel Clinique Exfoliating Scrub John Frieda Luxurious Volume Core Restore Protein-Infused Clear Conditioner Kiehl’s Men's Oil Eliminator Deep Cleansing Exfoliating Face Wash Pantene Daily Moisture Renewal Conditioner Aesop Fabulous Face Cleanser Clarins Pure Melt Cleansing Gel Freeman beauty Cleansing Apple Cider Vinegar Clay Mask + Scrub Frieda FRIZZ EASE Miraculous Recovery Deep Conditioner Hada Labo Hydra & Whitening Face Wash Hada Labo Softening & Whitening Face Wash Head & Shoulders Classic Clean Shampoo Head and Shoulders Green Apple Anti- Dandruff Shampoo Obagi Sun Shield Matte Broad Spectrum Spf 50 tgin Honey Miracle Hair Mask Arctic Fox Hair Color Aunt Jackie's Don'T Shrink Flaxseed Elongating Curling Gel Aussie Deep Treatment 3 Minute Miracle Moist Dermacare Custom Base Dr. Brandt Clean Biotic Freeman beauty Detoxifying Charcoal + Black Sugar Illamasqua Hydra Veil Living proof Restore Mask NENUCO Jabón Líquido Ultra Suave Cocona care Hair Conditioner