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Type: Article

Section: Cosmetic Ingredients > Preservation

In the case of fluctuating PET results for w/o products, it can be useful to increase the number of samples to verify the results.

Determining Preservative Efficacy in W/O Formulas, Part II: Making Microbiological Safety Assessments

The relevance of microbiological tests for w/o formulas has been questioned, mandating a more holistic approach. This second article in a series examines the failure rate of PETs for w/o products but looks at why this does not mean insufficient stability.

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.

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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.

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.

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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.

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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.

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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.

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Weak Points in Preservation

Beginning April, Cosmetics & Toiletries is pleased to present an entire series focused on preservation—from benchtop strategies for formulators (described here), to case studies in production and their resolution. Join us as we follow products as they move beyond the benchtop, in order to identify potential weak points in preservation.

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Natural Preservative: SUPRAPEIN® [sample request]

A well-balanced synergistic combination of botanical fractions possessing potent antimicrobial activity against a broad spectrum of organisms including possible pathogenic organisms that may be introduced into products.

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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.

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Free brochure on Workflow Solutions for Safer Cosmetics & Fragrances

We invite you to download our brochure and watch our video on how MilliporeSigma is inspiring safe beauty with quality and novel materials to help you streamline your formulation process and bring your product to market safely.

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Formulator’s guide to safe cosmetic preservation starts now

Formulator’s guide to safe cosmetic preservation starts now – Preserving systems with dermosoft® and Verstatil® product range.

Colder and drier weather can cause the already thin skin around the lips to become dry, cracked and flaky, and will need lip balms to remedy these problems.

Formulating on Trend: Lip Balm

Lip balms prevent lips from becoming dry, cracked and flaky, as this skin is much thinner than the rest of the body. To help remedy these problems, this "Formulating on Trend" advises including structuring agents, emollients, antioxidants and more.

In this 'Read the Label' column, the author focuses on moisturizers and in particular, Revolution Skincare’s Hydration Boost.

Read the Label: Revolution Skincare's Hydration Boost

This "Read the Label" looks at the ingredients and claims for Revolution Skincare's Hydration Boost. It contains moisturizing, preservative and anti-aging ingredients such as Borneo tallow nut seed butter, phenoxyethanol, sodium hyaluronate and more.

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Advocating Curls: Optimizing Textured Hair Product Preservation

Textured hair requires products to reduce frizz, control curls and impart moisture, and such formulas incorporate high levels of oils or nonionic emulsifiers that make them difficult to preserve. This study tests formulas designed for textured hair to determine which preservative systems or alternative multifunctional additives best prevent microbial contamination.

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Clean and Simple: Cyclic Glucamide as a Natural Solubilizer and Preservative Booster

Clear products are associated with purity and align with today’s continued consumer demand for “clean” beauty. Here, a naturally derived cyclic glucamide is shown to solubilize lipophilic ingredients and boost preservation in clear systems.

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Power on through preservation challenges

When it comes to preserving tricky formats, Clariant’s naturally-derived new preservation booster Velsan Flex brings the clarity, efficiency and freedom formulators seek.

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‘Preservative-Free’dom: Isopentyldiol as an Auxiliary Antimicrobial*

Concerns over the safety of conventional preservatives such as parabens have given rise to consumer demand for “preservative-free” formulas. The present article proposes the use of isopentyldiol as an auxiliary preservative to bolster non-traditional preservatives and meet this market demand.

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