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Section: Cosmetic Ingredients > Preservation

Microbiological test methods for w/o formulas have raised questions in terms of their suitability. They also require a more critical view of the results than other product types. This first article in a two-part series reviews the limitations of such methods and options for their optimization. It also critically observes to what extent test results provide relevant information for an appropriate safety assessment. Part II, in August 2022, will explore a holistic approach to more accurately assess microbiological safety.

Determining Preservative Efficacy in W/O Formulas, Part I: Test Performance and Limitations

Microbiological test methods for w/o formulas have raised questions in terms of suitability. They also require a more critical view of the results than other product types. This first article in a two-part series reviews the limitations of such methods.

Lotions, facial masks, sunscreens and scrubs are reported as the fastest-growing segments for cosmetic preservatives.

Phenols to Lead the Cosmetic Preservatives Charge Through 2027

Phenol derivatives are expected to grow with the highest CAGR, due in part to their gentle, non-irritating nature and the fact that they do not emit formaldehyde.

SymClariol is being positioned it as an emollient with antimicrobial properties to protect the skin from scalp to toe.

Symrise Extends SymClariol to Scalp Care, Hygiene

Previously highlighted for skin protection benefits, SymClariol (INCI: Decylene Glycol) is additionally being promoted for antimicrobial and hygiene applications, including anti-dandruff scalp care.

The issued US Patent US11291204B2 is titled “Preservatives for cosmetic, toiletry and pharmaceutical compositions” and covers preservation compositions having a C6, C8, C10 or C12 alkylhydroxamic acid including CHA in combination with a variety of medium-chain terminal diols.

Inolex Expands Alkylhydroxamic Acid Tech Patent Portfolio for Cosmetic Preservation

The patent covers preservation compositions having a C6, C8, C10 or C12 alkylhydroxamic acid including CHA combined with medium-chain terminal diols.

Work published in Cosmetics outlines how reducing water activity in o/w emulsions by using natural humectants can provide a formulation preservation strategy while improving the skin's barrier function.

Water Activity Strategy Boosts Microbial Stability and Barrier Function

Work published in Cosmetics outlines how reducing water activity in o/w emulsions by using natural humectants can provide a formulation preservation strategy while improving the skin's barrier function.

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Bio-Botanica offers Licorice Root Extract in Glycerin

Licorice root contains glycyrrhizin and glabridin. Glycyrrhizin is anti-inflammatory; used topically, it may help reduce redness or irritation. It is also an antioxidant. Glabridin may cause skin lightening and reduces dark spots by inhibiting tyrosinase.

The species, Backhousia citridora, commonly known as lemon myrtle is reportedly known for its phenolic compounds with tea drinkers and is a popular ingredient in skin care, hair care and home care.

Down Under Enterprises Debuts Organic Lemon Myrtle Oil

The antimicrobial efficacy of lemon myrtle oil allows for its potential use as a formulation preservative and an antimicrobial active in personal care. Other studies revealed it also offers antioxidant and anti-inflammatory functionality.

AMTicide VAF is described as an antimicrobial agent, which can prevent or inhibit fungal growth within an area of a closed container

Active Micro Technologies' AMTicide VAF Acts as Antimicrobial Preservative

AMTicide VAF is an antimicrobial active developed by co-fermenting Bacillus subtilis with Saccharomyces boulardii in a growth media.

This ingredient aligns with the current market trend for fermented beauty.

Crodarom Cider Vinegar EC Gains COSMOS Organic Certification

The ingredient rebalances skin prone to seborrhea or acne, and greasy hair afflicted by dandruff.

In this installment of 'Formulating on Trend,' the author explains formulating a cleanser that aligns with today's clean beauty standards, focusing on clean makeup removing emollients, preservatives and more.

Formulating on Trend: Clean Cleansing Balm

In this installment of "Formulating on Trend," the author describes how to formulate a cleanser that aligns with today's beauty standards by focusing on clean makeup-removing emollients, preservatives and more.

BiomEco 94 is Synergio’s first range of 100% botanically sourced broad-spectrum antimicrobial components that can target specified microorganisms at low concentrations.

Synergio Showcases Natural Preservation System Range BiomEco 94

BiomEco 94 is Synergio’s first range of 100% botanically sourced, broad-spectrum antimicrobial components that can target specified microorganisms at low concentrations.

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Versatile, Nature-derived Preservation

For 32 years, Pioneering Green Preservative-Like actions, Campo Plantservative is proven to be effective against a broad spectrum of microbials, viruses, fungal, endospores, and molds.

This multifunctional technology made of botanicals in a proprietary process is a microbiome-friendly preservation system that fights microbial resistance.

Synergio Launches BiomEco Botanical Preservation System

BiomEco is high in antioxidants, hypoallergenic, skin-sensitive, eco-friendly, natural per ISO and COSMOS-certified.

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Versatile, Nature-derived Preservation

For 32 years, Pioneering Green Preservative-Like actions, Campo Plantservative is proven to be effective against a broad spectrum of microbials, viruses, fungal, endospores, and molds.

sharon labs USA

Sharon Laboratories Expands to USA

After establishing a Sharon Laboratories in the European presence, North America was the next choice.

David Steinberg discussed preservatives and particularly, preservative regulations in the U.S., Canada and the EU; their usage in products; and how the outlook on preservatives impacted the cosmetic industry.

Midwest SCC Outlines Preservative Formulating and Regulations

At the May 2021 Midwest SCC virtual meeting, David Steinberg discussed preservatives; particularly regulations in the U.S., Canada and the EU, as well as their use in products and how the outlook on preservatives impacts the cosmetic industry.

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Versatile, Nature-derived Preservation

For 32 years, Pioneering Green Preservative-Like actions, Campo Plantservative is proven to be effective against a broad spectrum of microbials, viruses, fungal, endospores, and molds.

Cosphaderm Dicapo natural is a blend of natural raw materials that can be used as a preservative alternative for creams and gels.

Cosphatec Creates Cosphaderm Dicapo Natural Preservative Alternative

Cosphatec blended natural caprylyl glycol, glyceryl caprylate and propanediol to create the preservative alternative Cosphaderm Dicapo natural.

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