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Section: Cosmetic Ingredients > Preservation
Preservation
An Offensive Defense: Minimizing Preservatives, Maximizing Protection and Resources
Designing formulations with maximum preservation efficacy using minimum preservative quantities is vital for several reasons, outlined here. This strategy is referred to as an “offensive defense,” and requires leveraging the right preservatives and levels for given formulation designs.
Microbiology
Microbiological Considerations for Refillable Bulk Cosmetics: Survey and Commentary
The commercial sale of refillable products in bulk now includes liquid galenic formulas. Their diverse flow chains pose unique microbial challenges, as shown here, underlining the importance of flow chain planning and assessment tools/strategies.
Actives
Jeen Boosts Product Stability and Shelf-life with Jeecide Cap-7
Jeen’s Jeecide Cap-7 is the company’s solution for formulators looking to maintain product stability and shelf-life while maintaining natural and “clean” formulation claims.
Companies
INOLEX Announces "Center of Excellence" and New Hires in China
According to INOLEX, the new lab will provide services for challenge tests and MIC test for internal and external projects related formulations containing alternative preservation systems.
Literature/Data
Propylparaben and Triclosan Found to Increase Allergy Risk in Children
A study conducted by Johns Hopkins Children's Center and funded by the National Institutes of Health supports the common "hygiene hypothesis" that some antibacterial chemicals and preservatives in hygiene products may make children more susceptible to food and environmental allergens.
Skin Care
Build the Basics, Optimize Products, Formulate Naturals and Penetrate Skin
In addition to courses for the beginning chemist, natural products and optimization of formulas,
Cosmetics & Toiletries
has added
Physiology of the Skin
, featuring Zoe Diana Draelos, MD, to its online training program. Buy at Suppliers' Day and save! Visit booth 1345.
Literature/Data
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.
Event Coverage
Midwest SCC: Upcycling in Personal Care and Red Maple Emulsifier
The February 2021 Midwest SCC virtual meeting discussed the increasing trend of upcycling in personal care. With this in mind, presenters from Renmatix highlighted the company's
Acer rubrum
extract, an upcycled emulsifier.
Literature/Data
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.
Event Coverage
[video] FDA Warnings on CBD; Hair Softness; and User-induced Product Contamination
Back from break, here's
Cosmetics & Toiletries
' Rachel Grabenhofer, with her top headline picks in cosmetics R&D news. Watch now!
Safety
7 Recent Recalls: Babygenics, Tom's of Maine, Amika, HiBAR and Others
From hair spray and repair cream, to tattoo ink, children's sunscreen, toothpaste and others, several products have been recalled in recent months due to safety hazards and regulatory non-compliance. Following is an overview.
Literature/Data
Patent Picks—Pawpaw Anti-irritant, Degradation Sensor, Fenugreek Saponins and More
Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features patents related to preservation; ranging from the preservation of product stability, to antimicrobial technologies and a natural preparation to address preservative-induced irritation.
Preservation
schülke’s sensiva SC 50 Boosts Antimicrobial Effects, Imparts Moisture and Reduces Odor
schülke has revealed that its multifunctional active ingredient, sensiva SC 50, is more than a preservative. It also imparts antimicrobial-boosting, and moisturizing and odor-reducing efficacy.
Literature/Data
Zataria, Syrian Catnip, Cinnamon and 'B.S.'? Essential Oils in the Literature
Considering the current popularity of essential oils, we offer the following brief literature review of recent and upcoming publications on research and development in this field.
Method/Process
Preservative Efficacy Testing of Aqueous Cosmetics and Drugs without Counting Colonies
A miniaturized system using broth enrichment followed by either streaking on agar or fluorescence treatments can eliminate colony counting in the linear regression method of preservative efficacy testing.
Cleansing
Quaternary Care for Preservation and Hair: Spec Chem’s SpecKare CB
SpecKare CB by Spec Chem Group is a multifunctional ingredient with fungicide and preservative characteristics for various personal care products as well as antistatic benefits for hair.
Natural/Sustainable
Symrise Advances Clean Product Protection, Oral Care, Skin Glow and Sensitive Skin Care
Symrise recently highlighted its Mindera line for clean product protection, Optacool Fuji for oral care freshness, the award-winning Supervisome EPH for skin strength and glow, and SymRelief Green to soothe sensitive skin.
Literature/Data
Patent Picks—Renewable Polyphenols, Eco-friendly Gellants, Nano Silver Particles and More
Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features patents related to eco-friendly materials and processes.
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