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Section: Cosmetic Ingredients > Preservation
Safety/Stability
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.
Preservation
The Importance of Formaldehyde-Donor Preservatives in Personal Care Products
Preservatives are critical ingredients in personal care products and cosmetics, where they help to ensure consumer safety as well as product performance and stability. Among these materials, formaldehyde-donor (FD) preservatives have demonstrated a long history of safe and effective use for controlling microbial growth.
Ingredients
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.
Preservation
Boost Preservation with Ashland's TCM- and Ayurveda-inspired Phyteq Raspberry
Ashland's Phyteq Raspberry multifunctional preservative booster, in natural and nature-identical formats, is based on a compound utilized for centuries in traditional Chinese medicine and ayurveda.
Preservation
The Importance of Formaldehyde-Donor Preservatives in Personal Care Products
Preservatives are critical ingredients in personal care products and cosmetics, where they help to ensure consumer safety as well as product performance and stability. Among these materials, formaldehyde-donor (FD) preservatives have demonstrated a long history of safe and effective use for controlling microbial growth.
Event Coverage
[video] News and Insights: Naturals, Youth Personal Care and Wellness
Another week in the books—are you caught up on your cosmetic R&D news? Watch this week's recap video for our take on the latest in personal care, including top summer trends, anti-aging innovations and natural strategies.
Preservation
Inolex Showcases Spectrastat PHL as Sensitive Skin Care Preservation System
Inolex’s Spectrastat PHL is an ideal preservation system for sensitive skin-targeted formulations and can reportedly outperform other preservative systems at a natural pH.
Safety/Stability
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.
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.
Companies
Inolex Issued European Patent for Multifunctionals, Announces Spectrastat CHA Chelating Agent
Inolex's latest ingredient, Spectrastat CHA is a 100% natural, non-palm derived chelating agent in powder form joining the line of Spectrastat preservation products.
Preservation
Sharon Personal Care Introduces AquaVita, Vitamin-based Multifunctional Preservation Platform
The range is based on niacinamide (vitamin B3), enhanced to turn it into a mild, green, safe and sustainable antimicrobial preservation solution, per the company.
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.
Preservation
California Baby to Reformulate with Nature-derived Preservatives Developed In-house
Children's personal care brand California Baby announced plans to reformulate its products starting in September 2018. This move will enhance the company's offerings with nature-derived preservatives developed in-house.
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!
Preservation
Influence of pH on the Preservative Boosting Effect of Chelating Agents
A system based on phenoxyethanol and ethylhexylglycerin (euxyl® PE 9010) from Schülke & Mayr is described here to boost the efficacy of preservatives. To substantiate its efficacy, the effects of the system were checked at pH levels of both 7.0 and 5.0.
Literature/Data
Patent Picks—Selective Microbial Growth/Inhibition, Gentle Disinfectants, Improved Resistance and More
Chosen for their relevance to, or potential application in, cosmetics and personal care products, Patent Picks are taken from publicly available sources. This edition features new technologies for preservation and antimicrobial benefits.
Microbiology
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.
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