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Pharmaceutical Processing News
News Release from: Malvern Instruments | Subject: Researchers at Particle Sciences
Edited by the Processingtalk Editorial
Team on 09 June 2005
Optimising topical skin care
formulations
Researchers at Particle Sciences are using the Malvern Zetasizer Nano particle characterisation system to investigate formulations of their recently developed encapsulated form of retinol (Vitamin A)
Researchers at Particle Sciences, a company that develops and markets ingredients for personal care formulations, are using the Malvern Zetasizer Nano particle characterisation system to investigate formulations of their recently developed, encapsulated form of retinol (Vitamin A) Retinol has been shown to have beneficial effects on photo-damaged skin, but is unstable in many formulation processes
This article was originally published on Processingtalk on 15 Aug 2008 at 8.00am (UK)
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This new encapsulated form is designed for the controlled release of the active following topical application.
The Zetasizer Nano is being used to optimise manufacturing conditions for this complex skin care formulation, a multi-component system.
Examination of the effects of compositional changes on particle size and zeta potential has enabled better understanding and control of the parameters that determine suspension stability.
The Zetasizer Nano is also being used to study the impact of surface chemistry on formulation issues such as the understanding of the surface and interfacial properties, as well as long term product stability.
The Malvern Zetasizer Nano series uses patented technologies to deliver particle size measurement in the range 0.6 to 6000 nm and measure the zeta potential of particles from 5 nm to 10 mm in diameter.
It has the sensitivity required for the measurement of highly dilute proteins and polymers as well as the ability to analyse emulsions at high concentrations.
All measurement routines are highly automated and an optional unit, the MPT-2 autotitrator is available to simplify the systematic study of size and zeta potential as a function of variables such as pH, conductivity or additive concentration. Request a free brochure from Malvern Instruments ...
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