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What-it-does: preservative

Official CosIng Information


A pale yellow solid material that helps cosmetic products not to go wrong too soon aka preservative.

It has antioxidant and antibacterial activity and can be used synergistically with IT-preservative phenoxyethanol or 1,2-Hexanediol and Caprylyl Glycol to form a broad spectrum preservative system for cosmetic formulas. 

Show me some proof

  • Antimicrob Agents Chemotherapy, 1975 May; 7(5): 500–506., Antibacterial Activity of Tropolone

Products with Tropolone

Catrice Precious Pigments Loose Eyeshadow 010 Moondust Isomers Wrinkle Viper Expression Line Treatment DNA renewal Dna Regeneration Serum Mizon Hyaluronic Acid 100 Mizon Peptide 500 Cliniderm Gentle Shampoo Atrue Sweet Song Black Tea - One-Step Cleansing Water Pyunkang Yul Shampoo Holika Holika Pig Collagen Jelly Pack Mizon Skin Power Original First Essence The Saem Cell Renew Bio Micro Peel Soft Gel Deliplus Crema Facial Limpiadora Antiedad Rosa Mosqueta Linea Premium Mizon Black Snail All In One Cream Avene Antirougeurs Calm Soothing Repair Mask EM Cosmetics Color Drops Serum Blush FLOWER Beauty Blush Bomb Color Drops For Cheeks Glytone Age-Defying Vitamin C + E Serum Mizon Collagen Power Firming Eye Cream Aesop Lightweight Facial Hydrating Serum Mizon Skin Recharge Activating Serum Neogen Cereal Real Fresh Foam Cleanser Neogen Cranberry Real Fresh Foam Cleanser Neogen Green Tea Real Fresh Foam Cleanser Pixi Vitamin Wakeup Mist Embryolisse Lait Creme Concentre LILAH B. Virtuous Veil™ Concealer & Eye Primer MooGoo Spf 40 Tinted Face & Body Cream Revolution Onyx Primer TonyMoly Panda'S Dream Brightening Eye Base Cosmedix Lumi Crystal Liquid Crystal Lip Hydrator DCL Super Sheer Sunscreen Spf 50 Isomers All-In-One Complete Face Firming Serum Isomers Deep Crease Correction Cream HydroPeptide Lash Mizon Bee Venom Calming Fresh Cream Mizon Hyaluronic Acid Ultra Suboon Cream Mizon Snail Repair Intensive Ampoule Rodan and fields Soothe Gentle Cream Wash Beaute Mediterranea High Tech Hyaluronic Complex Cream Deliplus Oh, Qué Piel Micropeeling Regenerador Noche Mizon Snail Repair Eye Cream Neogen Real Ferment Micro Essence 3INA The Duo Eyeshadow Dr Ceuracle Pro-Balance Night Enzyme Wash Miamo Triple Brightening Cream Mizon All In One Snail Repair Cream Primary Raw Doyou Soy Milk Ferment Essence Toner Zeroid Soothing Cream Colorbar Aquafeel Foundation Milkydress So Fresh Water Mist