Lonza

Geogard® 221

Geogard® 221 is a clear, light yellow to orange liquid globally approved preservative for cosmetics and toiletries with broad spectrum activity. This preservative is based on dehydroacetic acid (DHA) and benzyl alcohol and meets NPA and Soil Association standards and is effective in a wide pH range.

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Technical data sheet (TDS)
Product brochure
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Properties

Features And Benefits
Summary
Compatible with key raw materials
Has a wide range of global regulatory approval
Broad spectrum complementary blend
Easy-to-use and compatible with most types of cosmetic formulations
Wide effective pH range
Safe handling
Chemically and physically stable
Meets ECOCERT and COSMOS requirements
Not tested on animals
Ingredient Claims
Organic
Non-GMO
Regional Availability
North America
Europe
Asia Pacific
Certifications
ECOCERT
COSMOS
NATRUE
Soil Association Approved
Regulatory Status
China Compliant
Product Characteristics
Origin
Chemical Synthesis
Physical Form
Liquid
Color
Light Yellow to Orange
Odor
Mild
Appearance
Clear liquid
Formulation Conditions
Use Level
0.2-1.1%
Soluble in
Oil
Application pH Range
2–7

Knowdz for Geogard® 221

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Technical product information

Key Attributes
  • 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
  • Meet ECOCERT and COSMOS requirements
  • Soil Association approved
  • Not tested on animals
  • Safe handling
Description

Geogard® 221 preservative is based on dehydroacetic acid (DHA) and benzyl alcohol, and therefore is recognized by major cosmetic, toiletry and fragrance regulatory authorities worldwide for use in cosmetic and personal care products. Geogard®221 is light in color, essentially odorless and compatible in a diverse range of product formulations.

Compositional Breakdown

Applications
  • Anhydrous
  • 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/gloss
  • Lotion
  • Make up remover
  • Mascara
  • Oil in Water
  • Powder
  • Shampoo
  • Suncare
  • Toner
  • Water in Oil
Efficacy

Microbiological Challenge Studies Studies were run using different concentrations of Geogard® 221 in various formulations to see efficacy against various bacteria, yeast and fungi. All samples were inoculated at the beginning of the study, sampled at 7, 14, 21 and 28 days.

Non Ionic Cream Formula (pH 6.5)

% Preservative Required to Achieve <10 CFU/gram Against Mixed Bacteria in a Nonionic Cream

% Preservative Required to Achieve <10 CFU/gram Against Mixed Fungi in a Nonionic Cream

Shampoo Formula (pH 7)

% Preservative (as supplied) Required to Achieve < 10 cfu/g of Mix Bacteria in the Shampoo

Competitor A : Phenoxyethanol; methylparaben; ethylparaben; propylparaben; butylparaben. Competitor B : Phenoxyethanol; methylparaben; isopropylparaben; isobutylparaben; butylparaben

% Preservative (as supplied) Required to Achieve < 10 cfu/g of Mix Fungi in the Shampoo

Competitor A : Phenoxyethanol; methylparaben; ethylparaben; propylparaben; butylparaben. Competitor B : Phenoxyethanol; methylparaben; isopropylparaben; isobutylparaben; butylparaben

GMS cream (pH 6)

% Preservative (as supplied) Required to Achieve < 10 cfu/g of Mix Bacteria in the GMS Cream

% Preservative (as supplied) Required to Achieve < 10 cfu/g of Mix Fungi in the GMS Cream

Cationic cream (pH 4.5)

% Preservative (as supplied) Required to Achieve <10 cfu/g of Mix Bacteria in the Conditioner

Competitor A: Phenoxyethanol; methylparaben; ethylparaben; propylparaben; butylparaben; isobutylparaben. Competitor B: Phenoxyethanol; methylparaben; isopropylparaben; isobutylparaben;
butylparaben

% Preservative (as supplied) Required to Achieve <10 cfu/g of Mix Fungi in the Conditioner

Competitor A : Phenoxyethanol; methylparaben; ethylparaben; propylparaben; butylparaben; isobutylparaben. Competitor B : Phenoxyethanol; methylparaben; isopropylparaben; isobutylparaben;
butylparaben

Formulation Recommendations
  • Use between pH 2–7
  • Efficacy can be compromised above a pH of 7
  • Can be added at both room and elevated temperatures
  • Enhanced compatibility allows for the addition of Geogard®221
  • virtually anywhere in the manufacturing process
  • Anionics may cause discoloration – carbomers and certain surfactants
  • Highly soluble in polar organic solvents
Global Regulatory

Europe

  • Max use level for DHA is 0.6% DHA – rinse-off & leave-on
  • Max use level for Benzyl Alcohol is 1% – rinse-off & leave-on

Japan

  • Benzyl alcohol is not permitted for use as a preservative in final
    cosmetic products placed on the Japanese market

US

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

General

  • ECOCERT & COSMOS accepted, Soil Association approved

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