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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 La Pure Snail Skin Regeneration Sheet Mask Isomers Wrinkle Viper Expression Line Treatment DNA renewal Dna Regeneration Serum Mizon Hyaluronic Acid 100 Mizon Hyaluronic Acid 100 Mizon Peptide 500 Cliniderm Gentle Shampoo Atrue Sweet Song Black Tea - One-Step Cleansing Water LaVigne Natural Skincare Vitamin C Serum Tepezco 20% Pyunkang Yul Shampoo Skin Labo Concentrated Lactobionic Acid Shot Holika Holika Pig Collagen Jelly Pack KERSTIN FLORIAN Correcting Serum C+ Infusion Mizon Skin Power Original First Essence Skin Functional Vitamin A 0.5% Retinol Skin Labo Pure Shot Vitamin C Fillerina Grad 2 Filler Treatment Skin Functional Exfoliating Facial 1 Skin Functional Exfoliating Facial 1 10% Lactic Acid + 3% B5 The Saem Cell Renew Bio Micro Peel Soft Gel Deliplus Crema Facial Limpiadora Antiedad Rosa Mosqueta Linea Premium Essence The False Lashes Mascara Extreme Volume&Curl GRAVICH Milky Renew First Toner Skin for life Salicylic gel cleanser Mizon Black Snail All In One Cream MooGoo Natural Sunscreen Spf 40 Broad Spectrum Avene Antirougeurs Calm Soothing Repair Mask Beaute Mediterranea High Tech Hyaluronic Complex Concentrate EM Cosmetics Color Drops Serum Blush FLOWER Beauty Blush Bomb Color Drops For Cheeks Glytone Age-Defying Vitamin C + E Serum Johnson's baby Cottontouch Face & Body Lotion Mizon Acence Tea Tree Tock Blemish Spot Mizon Collagen Power Firming Eye Cream Mizon Collagen Power Firming Eye Cream Tube Normon Skin-Feel Gel Cream SVR Spirial Roll On Tarte Lights, Camera, Flashes Statement Mascara Vivier Ulimage ivatherm Eau Thermale Herculane Cicaderm Spray Tissue Regenerator Aesop Lightweight Facial Hydrating Serum Christian Breton Paris Hyaluronic Acid Serum + Argan Mizon Black Snail All In One Cream 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 Skin Functional Barrier & Ageing Support Biphasic Facial Oil