Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
International journal of cosmetic science
16 (1994), S. 0
ISSN:
1468-2494
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Medicine
Notes:
The aim of this work was to verify if a close relationship exists between the physical stability of an emulsion and the chemical stability of vitamin A palmitate included in it. Oil-in-water cosmetic emulsions with high viscoelastic properties were prepared, and their rheological behaviour was investigated in oscillatory conditions. The stability of each sample was verified in high-temperature stress conditions: periodical checks of physical parameters and chromatographic analysis of vitamin A were performed during storage. Results show that the chemical stability of vitamin A palmitate strictly depends on the physical stability of the formulation and in particular on the presence of a coherent gel-like structure in the external phase of the emulsion.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1467-2494.1994.tb00092.x
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