Sun Screen Microemulsions

Three sunscreen compounds, p-amino benzoic acid (PABA), octyl-di-methyl-p-amino benzoic acid (ODP), and 2-hydroxy-4-methyoxy-5-sulfobenzophenone (HMSB) were incorporated into a model microemulsion system stabilized by sodium dodecyl sulfate and pentanol. The PABA acted as a hydrotrope supporting the...

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Bibliographic Details
Published in:Journal of dispersion science and technology 1996-01, Vol.17 (5), p.459-475
Main Authors: Moaddel, Teanoosh, Huang, Tian, Friberg, Stig E.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Emulsions. Microemulsions. Foams
Exact sciences and technology
General and physical chemistry
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Summary:Three sunscreen compounds, p-amino benzoic acid (PABA), octyl-di-methyl-p-amino benzoic acid (ODP), and 2-hydroxy-4-methyoxy-5-sulfobenzophenone (HMSB) were incorporated into a model microemulsion system stabilized by sodium dodecyl sulfate and pentanol. The PABA acted as a hydrotrope supporting the stability of an oil-in-water microemulsion, while ODP had the opposite effect. HMSB, finally retained both the oil-in-water and the water-in-oil parts of the microemulsion system.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932699608943517