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Geogard® 111A

Geogard® 111A

Geogard® 111A is based on dehydroacetic acid (DHA) and is globally approved preservative for cosmetics and toiletries featuring high efficacy and low use-cost and broad spectrum activity. This product is a good fungicide and a mild bactericide that is suitable for NPA and Soil Association compliant formulations. It has an excellent toxicity profile and is non-sensitizing and non-irritating.
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Identification & Functionality

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Features & Benefits

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Key Product Benefits
  • Organic acid / salt
  • Good fungicide, mild bactericide
  • Salt form is water-soluble
  • Meet ECOCERT and COSMOS requirements
  • Soil Association approved
  • Has a wide range of global regulatory approval
  • Easy-to-use and compatible with most types of cosmetic formulations
  • Wide effective pH range
  • Compatible with key raw materials
  • Chemically and physically stable
  • Not tested on animals
Description

Geogard® 111A is based on dehydroacetic acid (DHA). This product offers higher fungal efficacy than many traditional chemistries and lower “inuse” cost. It is globally approved for virtually every personal care and cosmetic application. In addition, it conforms with ECOCERT and COSMOS standards, as a synthetic preservative in ecological and organic certified cosmetics.

Applications & Uses

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Applications
  • Baby care
  • Baby wipes
  • Body butter
  • Body wash
  • Conditioner
  • Cream
  • Deo/ Anti-perspirant
  • Eye creams/gels
  • Eye shadow
  • Face lotion
  • Face wipes
  • Facial cream
  • Foundation
  • Hair gel
  • Hand soap
  • Lipstick
  • Lotion
  • Make up remover
  • Mascara
  • Oil in Water
  • Oral care
  • Powder
  • Shampoo
  • Suncare
  • Toner
  • Water in Oil

Properties

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Physical Form
Color
White to Yellow
Odor
Odorless
Appearance
Crystalline powder
Soluble in
Oils

Regulatory & Compliance

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Global Regulatory

Europe

  • Max use level for DHA is 0.6% DHA – rinse-off & leave-on

Japan

  • Max use level for DHA is 0.5% DHA – rinse-off & leave-on

US

  • All ingredients allowed (CIR/PCPC)
  • Refer to present practices of use and concentration

Technical Details & Test Data

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Efficacy

Microbiological Challenge Studies
Geogard® 111 MICs versus widely used parabens

Minimum Inhibitory Concentrations (MIC) for Geogard® 111A Compared to Parabens

Lonza Geogard 111A Efficacy - 1

Lonza Geogard 111A Efficacy - 2

Studies were run using different concentrations of Geogard® 111 in an anionic shampoo to see efficacy against various bacteria, yeast and fungi. All samples were inoculated at the beginning of the study, sampled at 24 hours, 3, 7, 14 and 28 days.

Compatibility and Solubility of Geogard® 111 vs. Parabens

Lonza Geogard 111A Compatibility and Solubility of Geogard 111 vs. Parabens

Additional Information

Since Geogard® 111 preservatives are based on dehydroacetic acid with a pKa of 5.27, there is more activity across a wider pH range compared to other acids like sorbic acid at 4.76.

Lonza Geogard 111A Additional Information

The efficacy of Geogard® 111 preservatives is pH dependent, offering greater efficacy at lower pH.

Most Viewed Documents

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Document Name
Type
Products
Learn More
LSI Personal Care Preservatives Catalog
Brochure
Cosmocil® CQ, Geogard® 111A, Geogard® 111S, Geogard® 221, Geogard® ECT, Geogard® LSA, Geogard Ultra®, Glycacil® 2000, Glycacil® L, Glydant®, Glydant® 2000, Glydant® LTD, Glydant Plus® Liquid, Isocil® PC, LSI Benzethonium Chloride, Glydant Plus® PC, Mikrokill® COS, Spectradyne™, Glydant® Plus, Glydant Plus®, Geogard® Boost PHC
Brochure
Products: Cosmocil® CQ, Geogard® 111A, Geogard® 111S, Geogard® 221, Geogard® ECT, Geogard® LSA, Geogard Ultra®, Glycacil® 2000, Glycacil® L, Glydant®, Glydant® 2000, Glydant® LTD, Glydant Plus® Liquid, Isocil® PC, LSI Benzethonium Chloride, Glydant Plus® PC, Mikrokill® COS, Spectradyne™, Glydant® Plus, Glydant Plus®, Geogard® Boost PHC
Geogard® 111S Technical Data Sheet
Technical Data Sheet
Geogard® 111A, Geogard® 111S
Technical Data Sheet
Products: Geogard® 111A, Geogard® 111S
LSI Global Preservatives Scorecard
Brochure
Geogard® 111A, Geogard® 111S, Geogard® 221, Geogard® ECT, Geogard Ultra®, Glycacil® 2000, Glycacil® L, Geogard® Boost PHC
Brochure
Products: Geogard® 111A, Geogard® 111S, Geogard® 221, Geogard® ECT, Geogard Ultra®, Glycacil® 2000, Glycacil® L, Geogard® Boost PHC
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