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Section: Research

Formulating Water-in-Oil Emulsions: A Scary Endeavor

Formulating water-in-oil emulsions is inherently more difficult than oil-in-water emulsions.

Multiple Emulsions: Applications in Cosmetics

Multiple emulsions and factors affecting their preparation are discussed in this article that also lists the advantages of each of the two main types—w/o/w and o/w/o—and gives examples of each in cosmetic formulations.

Comparatively Speaking: Emulsion vs. Colloid

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

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MIT Mixes Emulsions That Stick

As the cliché goes, oil and water do not mix. Research in Nature Communications may have found a way around this, forming emulsions from the bottom up using condensation and cooled oil.

New Perspectives in Emulsion Formation

Previously, the theory explaining emulsion behavior was based on the equilibrium contact angle of the particle at the interface; however, Vinothan N. Manoharan, PhD, and his team at Harvard believe the time allowed for the system to reach equilibrium and the force pushing the particle to the interface are equally as important.

Preparing PIC Emulsions with Very Fine Particle Size

A new technology has been developed for the production of o/w phase inversion concentration (PIC) emulsions with a very fine particle size and excellent storage stability. The concept is based on non-ethoxylated emulsifiers and can be easily used for the preparation of impregnating lotions for cosmetic wet wipes.

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Patent Pick: Emulsion Stability with Amphiphilic Anisotropic Powder

Patent Picks are chosen by the editors from publicly available sources. Today's technology, from AMOREPACIFIC Corp., relates to an amphiphilic anisotropic powder-containing emulsion with excellent stability.

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Patent Pick: Unsticking Emulsion Sticking Points

What's sticky, unstable and causes skin irritation? Certainly not emulsions based on core corona-type microgels. In a new patent application, Shiseido inventors explain how these materials produce the very opposite effects.

Enabling Advanced Emulsions in Microchannel Architecture

An innovative emulsification technology is demonstrated, which can be applied to surfactant-free emulsions and has the propensity for stimuli-responsive behavior. The technology can be used to allow previously difficult product formulations with shear-sensitive materials and controlled, droplet size distribution.

Formulators Forum--Optimizing Your Emulsion to Meet Marketing Requirements

Cosmetic formulators are given product briefs from our marketing friends and then we go off to the bench to create our masterpiece. After we submit our idea of what we think the brief really meant, someone from marketing gets back to us and tells us that it doesn’t feel right.

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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.

Particle-Stabilized Emulsions: A Brief Overview

The fundamentals of particle-stabilized emulsions are outlined here, and comparison are made to surfactant-stabilized emulsions. Recent advances in Pickering emulsions for cosmetics are described in this survey article, from our August 2004 archives.

From Collagen Production to 190-nm Emulsions: Literature Findings

The following column discusses the latest technological advancements in the fields of hair care, skin care, oral care, sunscreen, color cosmetics and more.

Water-based Plant Extract Emulsion Technology

Analyses Recherches Innovation Instrumentale (AR2i) has introduced a water plant emulsion processing technology to enable the production of ultra fine fluid emulsions with extracts of plants.

New Emulsion Technology Makes Formulation Easy

This article describes the use of a novel process technology to prepare high internal phase (HIP) emulsions, which can provide solutions to a number of formulating issues.

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Formulating Cosmetic Emulsions: A Beginner’s Guide

Emulsions that act as a delivery system for beneficial ingredients such as aloe, vitamins, plant extracts, etc., must also be safe, stable and cost-effective. This article discusses the ingredients that go into emulsions and why they are used.

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Study Reveals Critical Thickener Concentration in Emulsions

Work published in Chemical Engineering Science used a multiscale approach to study the dynamics of emulsions at various scales. Results identified a critical thickener concentration at which little variation was observed regardless of scale.

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.

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