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130 Results

Type: Article

Section: Cosmetic Ingredients > Preservation

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Building Bridges Between Science and Nature

schülke’s sensiva line of multifunctional additives provides personal care products with a balance between efficacy and natural. The latest evolutions of this line, sensiva PA 30 and sensiva PA 40, are as gentle as natural ingredients and as effective as traditional preservatives.

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Patent Pick: Non-aqueous, Eco-friendly Antimicrobial

Patent Picks are chosen by the editors from publicly available sources. Today's patent, from ISP, relates to a non-aqueous, eco-friendly antimicrobial composition.

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Free Formaldehyde Preservative Stability in Personal Care: Part I—Water

As scrutiny of formaldehyde-donor (FD) and other preservative technologies has increased in recent years, additional assurances of the relative safety and benefits of FD technologies are required. This two-part article examines the effects of temperature and pH on free-formaldehyde levels (as detected by C-13 NMR), first in water, then in personal care formulations.

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Free Formaldehyde Preservative Stability in Personal Care: Part II—Formulations

As scrutiny of formaldehyde-donor (FD) and other preservative technologies has increased in recent years, additional assurances of the relative safety and benefits of FD technologies are required. This two-part article examines the effects of temperature and pH on free-formaldehyde levels (as detected by C-13 NMR), first in water, then in personal care formulations.

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Alternative Preservation for Wet Wipes and Cold Process Cosmetics

Hurdle technology is a holistic formulation approach that assesses the impact of multiple factors on the ability of a formulation to support microbial growth. A particular challenge has been the identification of ingredients that can be used in the hurdle technology approach for solutions and emulsions in non-woven substrates, and INOLEX has created two ingredients to help formulators address this need.

Demystifying Cosmetic Science for Consumers

Cosmetic scientists know the headaches of alarmist groups and junk science. They reformulate products pulled from shelves due to mistruths from would-be "experts." Joe Schwarcz, PhD, of McGill University will explore why there is a need to demystify cosmetic science during the Cosmetics & Toiletries Summit.

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Multifunctional Cosmetic Ingredients as Antimicrobials

Today's formulator is busy, and their task of creating innovative formulations is boosted by new multifunctional ingredients. The concept of delivering two highly desired benefits for personal care in one product is one of great appeal to formulators globally.

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The Support of Family: Boosted Preservation Solutions to Protect Your Products

The boosting effect that ethylhexylglycerin has on many antimicrobial materials is well established and described in several patents, and schülke has created a family of ethylhexylglycerin preservative blends that provide a boosting effect to a range of materials.

Asia-Pacific Update: ASEAN Mirrors EU Regulation

Mirroring updates made to Cosmetic Regulation EC No. 1223/2009 in Europe, the ASEAN Cosmetics Association has updated it positions on sunscreen labeling, botanicals, parabens and more, reported here.

Patent Picks—Cinnamon/Lemongrass/Lavender Cotton, Honeysuckle, Sunflower and More Preservatives

Patent Picks are compiled by the editors from publicly available sources. This edition features inventions issued in the recent months related to preserving cosmetics and personal care formulas.

Gentle Preservative System Launched

To gently preserve personal care systems, schülke inc. has launched euxyl K 900, a multifunctional system.

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Phenoxyethanol as a Safe and Important Preservative in Personal Care

The effective preservation of personal care products and cosmetics is vitally important to inhibit microbial growth. Phenoxyethanol has a long history as an effective preservative, with well-documented human and environmental safety profiles. This is a valuable option in formulators’ and microbiologists’ toolboxes for safe and effective control of microbial growth, as is reviewed here.

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Proposed Method to Evaluate the Microbiological Stability of Cosmetics During Use

The authors propose an approach to assess the microbial stability of a product during use, referred to as the Microbiological Use Test (MUT), and apply this analysis in case studies to predict the microbiological risk of commercial products. The described test has been used successfully in the development of cosmetics.

Water Activity

Water activity is a key consideration in preserving cosmetics. As this article discusses, there is an important difference between the amount of water present in a product and availability of this water for microorganism growth.

Assessing the Safety of Parabens: Percutaneous Penetration and Risk Analysis

In cosmetics, parabens are widely used due to their low cost and efficacy. In recent years, however, some reports have claimed that these materials exhibit estrogenic activity, which has led to attempts to replace them in formulations. This article reviews penetration studies of parabens spanning the past 20 years to determine whether they pose a risk to human health.

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Do More with Less Using Multifunctional Additives

The use of multifunctional raw materials allows formulators to use less resources, an immediate cost saving. This can also economize warehouse space, saving time, energy and order processing, all while adding multiple benefits to finished cosmetic products.

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"Nature-identical" Preservative for More Sustainable Science

"Nature-identical" phenethyl alcohol was used to create schülke's sensiva® PA 20 (INCI: Phenethyl Alcohol (and) Ethylhexylglycerin). Phenethyl alcohol occurs widely in nature and has properties that help maintain the microbiological stability of personal care formulas.

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Boosting Preservative Efficacy With Propanediol

This article investigates the ability of Zemea (INCI: Propanediol) to boost preservative efficacy in an aqueous personal care formulation. This 100% bio-based propanediol is a colorless, pure glycol alternative derived from a sustainable, renewable corn fermentation process. The testing was conducted using standardized microbiology guidelines, known as preservative efficacy testing or challenge tests.

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