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BRONTIDE® NATURAL BUTYLENE GLYCOL

It's time for a better glycol

Personal care formulators no longer have to sacrifice
performance for natural

Here’s a sustainable
ingredient that
delivers on both

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Approvals, Certifications & Registrations

Approvals & certifications

Conforms to ISO 16128-1 as Natural Ingredient with a natural index of 1

100% Biobased; USDA BioPreferred Program

C14 analysis (ASTM D6866-16)

Manufacturing certifications: ISO 9001:2015 (quality); ISO 14001:2015 (environmental); ISO 45001:2018 (safety & health)

Registrations:

INCI: Butylene Glycol

CAS: 6290-03-5

EINECS: 228-532-0

REACH: 01-2120764879-30-0000

Typical properties
CharacteristicLimit
AppearanceClear, colorless
OdorFaint, characteristic
Purity99.7%
Water0.50%
Specific gravity at 20° C1.004
Viscosity cP at 25° C97 cP
Acid number, rhg KOH/gMax 0.05
Heavy metalsNone detected

NATURAL QUALIFIED

Brontide natural butylene glycol can help brands substantiate their commitment to creating natural, sustainable products

Woman face cream - non-toxic ingredients
Woman Applying Face Lotion

ISO 16128

What it means

ISO 16128 is an international criterion for defining cosmetic ingredients and products. These guidelines allow brands to categorize Brontide butylene glycol as a natural ingredient. To meet the definition as natural, an ingredient must be sourced naturally and be found in nature. Ingredients obtained from fossil fuels are excluded from the definition.

It’s found in nature

Found in common superfoods like avocados and coconuts, 1,3-butylene glycol is naturally occurring and meets the ISO 16128 standard for natural cosmetics.

100% Biobased

USDA Certified
Biobased Product

What it means

The USDA Certified Biobased Product label displays a product’s biobased content. This is defined as the portion of a product that comes from a renewable source. By choosing a certified biobased product, brands can support their sustainability claims, knowing the USDA and the Federal government stands behind the accuracy of the percent biobased claim stated on the label.

Transparent testing

USDA Certified Biobased products have achieved third-party verification of biobased content using ASTM D6866 testing which measures the amount of biobased content of a material.

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Good for people

Good for people

Brontide Contains

Brontide natural butylene glycol was tested at levels of 10%, 20%, 40%

Clinical Test (HRIPT) showed no fatigue, no skin irritation, no sensitization

>99.7%

Brontide butylene glycol is a high-purity ingredient

Good for formulators

Good for formulators

Boost performance with a multifunctional natural ingredient

USES

HumectantSolventSkin-feel modifierViscosity enhancer
Preservative boosterCarrier for active cosmetic ingredientsEmollient

APPLICATIONS

Moisturizers Sheet masks Serums Shampoos Conditioners Perfumes Cosmetics

Brontide natural butylene glycol is functionally identical to traditionally-produced butylene glycol in personal care applications. Use it as a drop-in replacement in existing formulations or to create new, more natural products. To determine functional equivalency, Genomatica used third-party laboratories to conduct comparative performance testing of the primary functional benefits.

There is no reformulation required with Brontide natural butylene glycol

There is no reformulation required with Brontide natural butylene glycol

Testing performed shows equivalent functionality to conventional butylene glycol while also being natural and sustainable

A human panel of 55 tested base formulati ons using 6% butylene glycol resulting in equivale nt feedback on several sensory attributesSensory

Hygroscopicity testing concluded that Brontide butylene glycol & petroleum-based butylene glycol absorb moisture at the same rate over timeHumectancy

A corneometer test of 31 subjects showed Brontide to be equivalent to petroleum-based butylene glycolSkin
moisturization

Brontide underwent a rigorous stability test to give it an industry lea ding purity specification and shelf-lifeStability

Brontide and petroleum-based butylene glycol underwent a HRIPT test, both showing no indication of irritationSkin safety

MIC tests were conducted with equivalent results for microbial efficacyAntimicrobial efficacy

formulations

real metrics. real impacts.

Good for our planet

Our natural butylene glycol can help companies make better products and achieve sustainability goals.

MEASURING ENVIRONMENTAL IMPACT

MEASURING
ENVIRONMENTAL IMPACT

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