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Type: Article

Section: Cosmetic Ingredients > Actives

Visualizing the Impact of Emulsifiers on Emulsion Perception

This paper describes an approach to systematically investigate the intrinsic effects of emulsifiers, quantify them and translate them into consumer preferences. These are processed mathematically and displayed in a simplified, two-dimensional map to assist formulation work.

Visualizing the Impact of Emulsifiers on Emulsion Perception

This paper describes an approach to systematically investigate the intrinsic effects of emulsifiers, quantify them and translate them into consumer preferences. These are processed mathematically and displayed in a simplified, two-dimensional map to assist formulation work.

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The Perplexing Topic of Hair 'Type': How Do We Classify Hair?

Most hair-related properties and issues can be rationalized by fiber size and shape, and/or the consequences of extreme conditions. However, the varying reactivity of different hair types with chemical treatments suggests potential differences in structure.

PIT Versus PIF for the Rational Formulation of Emulsions

This article deliberately pushes the boundaries for cosmetics scientists, showing how the much-used phase inversion temperature (PIT) technique is a limiting special case of a more versatile, rational approach to surfactant optimization: HLD-NAC. This simple way of understanding the basic interactions within emulsion formulations can be generalized to create totally new ways of formulating stable emulsions.

PIT Versus PIF for the Rational Formulation of Emulsions

This article deliberately pushes the boundaries for cosmetics scientists, showing how the much-used phase inversion temperature (PIT) technique is a limiting special case of a more versatile, rational approach to surfactant optimization: HLD-NAC. This simple way of understanding the basic interactions within emulsion formulations can be generalized to create totally new ways of formulating stable emulsions.

Here, Dove and P&G experts help us explain why hair bonding is hot and explore the three main types of bonding agents.

Dove and P&G Experts on the Hair Bonding Buzz—Plus 3 Main Types

The hair bond builder or "multiplier" market is expected to expand at a CAGR of 7.80% from 2021 to 2028. Here, Dove and P&G experts help us explain why and explore the three main types of bonding agents.

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Patent Picks—Microbe Separation, Emulsion Arrays and Salicylic Acid Delivery From Powder

Patent Picks are compiled by the editors from publicly available sources. This edition features processes for identifying microorganisms, forming emulsion arrays and delivering salicylic acid from powder.

A Surfactant/Biopolymer Stabilizer for Emulsions

An emulsifier/biopolymer system using a mixture of nonionic surfactants and two biopolymers was developed. The surfactants provide effective steric stabilization against coalescence, whereas the biopolymers provide a high residual viscosity and yield value, thus providing stability against creaming. The mechanism of stabilization is discussed in terms of the synergy between the two biopolymers.

Peptide to Assist Botulinum Toxin Type A

Lipotec has launched a peptide positioned to topically assist Botulinum Toxin Type A while "waiting for the next injection."

Designing Emulsions for Relaxer Actives

Relaxer emulsions have unique requirements regarding pH, hydrophilic-lipophilic balance and minimizing irritation potential. This article suggests ways to meet these requirements and provide an ideal emulsion base for relaxer actives.

Microchannel Processing: A Novel Approach to Making Emulsions

In the present article, microchannel emulsification is explored as a process method that precisely adds a dispersed phase into a continuous phase through an engineered dispersion plate. This approach is shown to produce emulsions with smaller droplets having tighter size distributions than conventional means, which leads to stable products with the limited need, if any, for surfactants.

Comparatively Speaking: Emulsion vs. Colloid

Industry expert Anthony O'Lenick, Jr., explains the different between an emulsion and a colloid.

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Patent Pick: Control Emulsion Interfaces Thermally

Take a peek at the future of product development with this hand-selected Patent Pick, chosen by the editors from publicly available sources. Today's highlight relates to nanoparticles with unique, thermally controlled interfacial properties.

Using Nonaqueous Emulsions to Avoid Discoloration Reactions

This article focuses on the physical principles of nonaqueous emulsions and their practical applications in preventing discoloration from ascorbic acid, hydroquinone and dihydroxyacetone.

Microchannel Processing: A Novel Approach to Making Emulsions

In the present article, microchannel emulsification is explored as a process method that precisely adds a dispersed phase into a continuous phase through an engineered dispersion plate. This approach is shown to produce emulsions with smaller droplets having tighter size distributions than conventional means, which leads to stable products with the limited need, if any, for surfactants.

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Naturally Inhibit Fragrance Degradation: Rice Bran Sterols in Emulsions

The use of phytosterols is proposed here to retard the deterioration of cosmetic emulsions caused by perfume degradation. For the described tests, phytosterols from crude rice bran oil, a natural and economic choice, were used. A simple and easily controlled technique is described through which the phytosterols provided the desired results.

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Uniquely Stable Emulsions Revealed Through Freeze-fracture Transmission Electron Microscopy

Researchers investigated the structures and features of emulsions made with different emulsifiers via freeze-fracture transmission electron microscopy. Potassium cetyl phosphate formed more multi-lamellar spheres than other emulsifiers, and aggregated homo-domains on top of lamellar sheet surfaces and multi-lamellar spheres. These homo-domains are likely to be responsible for the excellent emulsion stability achieved.

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CycloRetin™ and Corneopeptyl™: Combining the best of nature and science

Lucas Meyer Cosmetics by Clariant leads the shift toward greener peptides in skincare. CycloRetin™, from P. heterophylla, rivals retinol without irritation, and Corneopeptyl™ rebuilds the skin barrier, reducing wrinkles and improving hydration.

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