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Geogard® Boost PHC

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INCI Name: Propylene Glycol Caprylate, Phenoxyethanol
Function: Anti-Microbial Agent, Preservative, Fungistatic Agent, Bacteriostatic Agent
Benefit Claims: Preservation, Anti-Fungal, Low Odor, Ease of Formulation, Compatibility, Antimicrobial, Easy-To-Dilute, Anti-Bacterial
Labeling Claims: Ulta Beauty's Conscious Beauty, Sustainable, Non-GMO, Environmentally Friendly, Natural, Organic, Halal
Certifications & Compliance: Halal, ISO 16128, COSMOS, IECIC (China), EU Compliant, EU Cosmetic Regulation 1223/2009 Compliant
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Technical Data Sheet
Geogard® Boost PHC Technical Data Sheet
Geogard® Boost PHC Technical Data Sheet
Technical Data Sheet

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Identification & Functionality

EINECS-No.
204-589-7, 953-046-7
Technologies
Cosmetic Ingredients

Geogard® Boost PHC Features & Benefits

Benefits
  • Optimized microbial performance with reduced levels of Phenoxyethanol
  • Enhanced efficacy spectrum and increased speed of kill compared to Phenoxyethanol alone
  • Simplified manufacturing process (easily dilutable liquid concentrate)

Applications & Uses

Markets
Personal Care
Application Format
Hair Care Applications
Skin Care Applications
Application pH Range
5 - 8
Use Level
0.6 - 1.6% (Non-ionic lotions), 0.3 - 1.0% (Conditioners)
Recommended Uses

Geogard® Boost PHC delivers a broad spectrum of microbial protection with reduced levels of Phenoxyethanol for creams, lotions and moisturizers and conditioners. A single dose liquid solution which simplifies manufacturing logistics.

The product is easily formulated into lotions and conditioners and is effective at a pH range of 5-8.

Formulation Guidance

Geogard® Boost PHC should be used in the range 0.3 – 1.6%.
It is dispersible in cosmetic emulsions such as skin creams, lotions and hair conditioners.

Geogard® Boost PHC can be added at any stage of production and temperatures of up to 75°C are well-tolerated, however it is more normal to add preservatives at the end of the hot process when the temperature has reduced to around 40°C.

Stirring is required to ensure uniform dispersal of the preservative ingredients.

Properties

Physical Form
Liquid
Appearance
Colorless liquid, Clear
Odor
Mild Characteristic
Soluble in
Ethanol, Mineral Oil, Propylene Glycol, Vegetable Oil (sunflower)
Slightly Soluble In
Water
Dispersible in
Glycerine
Key Properties
  • Broad spectrum: bacteria, yeast, fungi
  • Natural Origin Content: 0%
Composition Breakdown
Chemical name Percentage
2-Phenoxyethanol 50-70%
Octanoic acid, monoester with 1,2-propanediol 30-50%

 

Regulatory & Compliance

Regulatory Status

Component

China
IECSC IECIC
Japan
(cosmetics)
AU USA BR EU UK
Phenoxyethanol Yes Yes
1% max. Use Limit
Yes
1% max. Use Limit
Yes Yes Yes
1% max. Use Limit
Yes
1% max. Use Limit
Propylene Glycol
Caprylate
Yes* Yes Yes Yes Yes Yes* Yes*

Note: * Volume restrictions may occur

Technical Details & Test Data

Microbial Protection Performance

Method overview

The Lonza Preservation Efficacy Test method was performed to evaluate antimicrobial performance. The study was performed over 28 days, with sampling performed every 7 days and an additional bacterial sampling point at 2 days.

  • Formulations were inoculated with single cultures containing either a bacterial load of 1.0x106 to 1.0x107 CFU/g or a yeast and fungi microbial load of 1.0x105 to 1.0x106 CFU/g.
  • Challenge microorganisms are depicted in table below.
  • Formulations were sampled at each time interval and recovered using the quantitative pour plate technique.
  • The microbial recoveries of each sample were calculated. Counting limits of >330 CFU/g and <10 CFU/g were employed.
    (Minimum reportable value <100 CFU/g)

TEST ORGANISMS

Organism groups Test organisms
Bacteria – Gram negative fermenters Pluralibacter gergoviae (ATCC 33028)
Klebsiella pneumonia (ATCC 9027)
Escherichia coli (ATCC 8739)
Bacteria – Gram negative non-fermenters Pseudomonas aeruginosa (ATCC 9027)
Burkholderia cepacia (ATCC 25416)
Bacteria – Gram positives Staphylococcus aureus (ATCC 6538)
Yeast Candida albicans (ATCC 10231)
Fungi Aspergillus brasiliensis (ATCC 16404)

 

Geogard® Boost PHC Performance in a Non-ionic Lotion

Unpreserved Non-ionic Lotion – Susceptibility to Bacteria

Geogard® Boost PHC - Geogard® Boost Phc Performance in A Non-Ionic Lotion

The unpreserved non-ionic lotion is susceptible to bacterial contamination therefore requires additional microbial protection measures.

 

Bactericidal Performance of Geogard® Boost PHC (0.6% w/w containing <0.4% w/w Phenoxyethanol)

Geogard® Boost PHC - Geogard® Boost Phc Performance in A Non-Ionic Lotion - 1

Geogard® Boost PHC at 0.6% (containing <0.4% Phenoxyethanol) delivers bactericidal protection in a non-ionic lotion.

 

Unpreserved Non-ionic Lotion – Susceptibility to Fungi

Geogard® Boost PHC - Geogard® Boost Phc Performance in A Non-Ionic Lotion - 2

The unpreserved non-ionic lotion is susceptible to fungal contamination therefore requires additional microbial protection measures.

 

Fungicidal Performance of Geogard® Boost PHC (0.6% w/w containing <0.4% w/w Phenoxyethanol)

Geogard® Boost PHC - Geogard® Boost Phc Performance in A Non-Ionic Lotion - 3

Geogard® Boost PHC at 0.6% (containing <0.4% Phenoxyethanol) delivers fungicidal protection in a non-ionic lotion.

 

Unpreserved Hair Conditioner – Susceptibility to Bacteria and Fungi

Geogard® Boost PHC - Geogard® Boost Phc Performance in A Non-Ionic Lotion - 4

The unpreserved hair conditioner is not susceptible to bacterial contamination
as a result of the use of particular ingredients and pH range. The conditioner is susceptible to fungal contamination and therefore requires additional microbial protection measures.

 

Fungicidal Performance of Geogard® Boost PHC (0.3% w/w containing <0.2% w/w Phenoxyethanol)

Geogard® Boost PHC - Geogard® Boost Phc Performance in A Non-Ionic Lotion - 5

Geogard® Boost PHC at 0.3% (containing <0.2% Phenoxyethanol) delivers fungicidal protection in a hair conditioner formulation

 

 

Packaging & Availability

Country Availability

Regional Availability

Storage & Handling

Shelf Life
24 months
Storage and Shelf Life

In sealed original containers Geogard® Boost PHC remains stable for at least 24 months.

Geogard® Boost PHC
Arxada