Recent in Chemistry (page 1 of 9)
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Comparatively Speaking: Silicon Dioxide, Silicon and Silicone
Aug 27, 2018 | Anthony J. O'Lenick, Jr., Siltech LLC and IFSCC Education Chair
This column is intended to provide an understanding of the relationships between these raw materials and the silicones found in personal care.
Methylparaben, Phenoxyethanol and Both: Exploring Toxicity
Aug 3, 2018
This study underlines the significance of variations in the safety and efficacy of individual and combined preservative systems. It also reiterates the strategy of leveraging the right preservatives and levels for given formulation designs.
Kunming Institute Brands Dendrobium with Dr. Plant, Uncovers Milkweed's Potential
Jul 6, 2018
Researchers at The Kunming Institute of Botany in China have uncovered natural compounds with real skin care potential. While Dr. Plant teamed up to bring dendrobium to market, new findings in milkweed present brands new opportunities.
Caprylyl Glycol: A Versatile Material to Boost Preservatives
Jul 1, 2018 | Jon Toliver and Saroja Narasimhan, Ph.D., Johnson & Johnson Skillman, NJ USA
As consumers become more decidedly "anti-preservative," formulators are faced with the need for versatile preservation systems. Caprylyl glycol's flexible nature allows it to be incorporated into a variety of formats while serving consumer needs.
A New Spin on Delivery: Electrospun Collagen Drives Actives to New Depths
Jun 28, 2018 | Bhuvana Kannan, Ph.D., Pablo Lepe, Ph.D., and Iain C. Hosie, Revolution Fibres Ltd., New Zealand
Nanofibers from marine collagen were tested for their ability to deliver hyaluronic acid and grapeseed and kiwifruit bioactives into skin. Results showed they penetrated in under one minute. This sustainable and natural platform removes the need for emulsifiers, penetration enhancers and other transporter ingredients. It also enables the encapsulation of a wide range of water- and oil-based actives.
Comparatively Speaking: PPG vs. PEG
Jun 1, 2018 | Anthony J. O'Lenick, Jr.
The chemistry of PEG, PPG or combinations thereof have an impact on the functional properties of formulas. Knowledge of these materials will help the chemist understand both the effects of reacting these materials on fatty alcohols as well as the performance of emulsifiers and wetting agents.
Binding Force: Natural Oxidized Keratin Internalizes Hair Repair
Jun 1, 2018 | A.D. Roddick-Lanzilotta, Ph.D., R.J. Kelly, Ph.D., G.H. Worth, Ph.D., and P.R. Sapsford, Ph.D., Keraplast Manufacturing Ltd., Canterbury, New Zealand
Bond multipliers have been developed to protect and repair hair. One in particular is a novel natural keratin alternative. Here, it is shown to retain fiber flexibility and protect and repair hair by binding intermediate filament proteins within the fiber.
Comparatively Speaking: Soluble vs. Insoluble
Apr 30, 2018 | Tony O'Lenick
What’s the difference between something that is soluble vs. insoluble? Tony O’Lenick explores this notion. At first, he writes, this may seem quite simple but a deeper investigation provides formulation insight.
PQ-10: How the Industry Utilizes This Cationic Polymer
Mar 29, 2018 | Saroja Narasimhan, Ph.D., and Jon Toliver, Johnson & Johnson, Skillman, NJ USA
Polyquaternium-10 is utilized by formulators in rinse-off and conditioning hair, cosmetic and body products. This article addresses the ingredient's production, properties and applications in the personal care industry.
![[podcast] How Caffeine Jump-starts Skin Hydration](https://media.cosmeticsandtoiletries.com/images/AsianBeautyJumperCables300.jpg "[podcast] How Caffeine Jump-starts Skin Hydration")
[podcast] How Caffeine Jump-starts Skin Hydration
Mar 15, 2018 | Rachel Grabenhofer
The Estée Lauder Companies is getting a real charge out of its latest research findings: caffeine affects skin’s electric potential and enhances hydration. Learn more from our podcast with Jaime Emmetsberger, Ph.D., of Tom Ford Research.
Restoring Hair and Scalp Health: Ceramide-2 Analog for Conditioning and Barrier Benefits
Feb 8, 2018 | Xianting Lin and Jiangzhong Yang, Beauty Hi-tech Innovation Co., Ltd., Kobe, Japan; Yihua Jiang and Jie Lu, Symrise, Shanghai
Since ceramides are essential for protecting skin and hair, the natural conclusion would be to use them as cosmetic ingredients. However, naturally occurring ceramides are difficult to extract and can carry a high cost. A structural analog to naturally occurring ceramide-2 was therefore developed.
Plant-Based Hydrogels: Applications in Cosmetics
Jan 8, 2018 | Khashayar Modaresifar, Amirkabir University of Technology, Tehran, Iran; Shohreh Nafisi, Islamic Azad University Central Tehran Branch (IAUCTB), Tehran, Iran; Howard I. Maibach, M.D., University of California, San Francisco
Hydrogels provide high water content, elasticity, softness and biocompatibility to cosmetics and skin care products. This article reviews the main categories of polysaccharides that form hydrogels for use in the cosmetic industry.