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Selecting state of the art systems that effectively protect cosmetic formulations and are consistent with consumers’ desires, country regulations and technical requirements is critical. Lonza is the world leader in microbial control providing innovative, chemistry-based and related solutions to destroy or to selectively inhibit the growth of harmful microorganisms. Lonza’s Personal Care portfolio offers a comprehensive range of preservation systems.

Product INCI Designation


pH Range

Cosmocil® CQ Polyaminopropyl Biguanide (PHMB) Bacteria 3-10
Geogard® 111 A Dehydroacetic Acid Yeast & Mold 2-6.5
Geogard® 111 S Sodium Dehydroacetate Yeast & Mold 2-6.5
Geogard® 221 Dehydroacetic Acid & Benzyl Alcohol & Water Broad 2-7
Geogard® ECT Benzyl Alcohol & Salicylic Acid & Glycerin & Sorbic Acid Broad 3-8
Geogard Ultra® Gluconolactone & Sodium Benzoate Broad 3-6
Geogard® LSA           Butylene Glycol & Benzyl Alcohol & Sorbic Acid & Caprylic/Capric Triglyceride & Lauryl Alcohol
& Myristyl Alcohol  
Broad 3-6 
Glycacil® L Iodopropynyl Butylcarbamate (IPBC) Yeast & Mold 2-10
Glycacil® 2000 Iodopropynyl Butylcarbamate (IPBC) Yeast & Mold 2-10
Glydant® 2000 DMDM Hydantoin Bacteria 2-10
Glydant®  DMDM Hydantoin Bacteria 2-10
Glydant® LTD DMDM Hydantoin Bacteria 2-10
Glydant Plus® DMDM Hydantoin & Iodopropynyl Butylcarbamate (IPBC) Broad 2-10
Glydant Plus® Liquid DMDM Hydantoin & Iodopropynyl Butylcarbamate (IPBC) Broad 2-10
Isocil® PC Methylchloroisothiazolinone & Methylisothiazolinone Broad 3-9
Lonzagard® Benzethonium Chloride Benzethonium Chloride

Mild Fungicide

Lonzaserve® PC DMDM Hydantoin & Methylchloroisothiazolinone & Methylisothiazolinone Broad 3-9
Mikrokill® COS Phenoxyethanol & Caprylyl Glycol & Chlorphenesin Broad 3-8
Spectradyne™ Chlorhexidine Digluconate Bacteria 6-8