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Methylchloroisothiazolinone

icky
What-it-does: preservative

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%).

Products with Methylchloroisothiazolinone

Kamaleão Color Shampoo Mais Cor Kamaleão Color Condicionador Mais Cor Kamaleão Color Creme De Pentear Mais Cor Sondos Sesame Oil Zero Silver Shampoo Baby Lee Acondicionador Coco&Avena Dove Go Fresh Face Cleanser Grace and Glow Brightening Solution Body Wash Grace and Glow Miss Moisture & Glow Solution Body Wash Hair Chemist Pro Growth Shampoo RENPURE Argan Oil Luxurious Shampoo Rudy hamisuwarno Hairloss Solution Shampoo Telepoint family Rose Scented Hand Soap UrbanBotanics Aloe Vera Gel UrbanBotanics Pure Aloe Vera Gel UrbanBotanics Pure Aloe Vera Skin/Hair Gel With Vitamin E & Natural Emollients ARAVIA Professional Lactica Exfoliate 10% Alcare Foaming Cleanser Anagel Ultrasound Gel Dermachem Sabonete Primer Pré-Maquiagem Erha Acneact Gentle Acne Facial Wash Hela Beauty Sun Drops FPS30 Helena Professional Hair Gel Piel Cosmetics Gialur Hyaluronic Serum 1% Ravenna Água Micelar Salon Line Gelatina Super Definição St. Botanica Pro Keratin & Argan Oil Smooth Therapy Spray Sutra Beauty Conditioner Alberto Vo5 Herbal Escape Balancing Conditioner Ballerina Largo Increible Spray Multibeneficios Ballerina Spray Multibeneficios Largo Increible Bruno Vassari Extra Rich Cleansing Foam Carthage Regeneración + O2 Cotton Tree Baby Wipes Non Parfum GNC Pets Hypoallergenic Shampoo Hidraderm ciclos Serum Vitamina C Hidraderm Ciclos Icono Acido Hialurónico Extracto En Gel Kallos Florillum Silver Gloss Lotion Namyaa Intimate Wash With Haldi Chandan Salon Line Tô De Cacho Profix Gelatina Alta Definição Skin doctors Instant Eyelift St. Botanica Argan Oil Ultra Nourishing Body Wash elf cosmetics Clear Lash Brow Mascara Ailé Apple Liquid Soap Algabo Acondicionador Suavidad Coco Y Leche BIU Gel De Limpieza Antibacterial Babylove Baby Oil Gel Lavender & Chamomile Beauty Formulas Tea Tree Face Mask Caviahue Serum C Dermanat Crema Con Aceite De Rosa Mosqueta