Use of polymeric and non‐polymeric surfactants in o/w emulsion formulation

M. E. CARLOTTI, F. PATTARINO, M. R. GASCO, R. CAVALLI

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

An acrylic/alkyl acrylate co‐polymer and a mixture of non‐ionic surfactants (sorbitan monostearate and sorbitan monostearate(20)OE) were used to prepare o/w emulsions for cosmetic use. Formulations with optimal performances were obtained by selecting appropriate percentages of components through statistical procedures. The non‐polymeric surfactants were seen to affect the stability and appearance of the emulsion, although they were used at low percentages (0.3–0.6%), and were seen to interact with the polymer in different ways. The influence of twelve w/o emulsifiers (alcohol‐, glyceryl‐ and sorbitan‐derivatives) on the emulsion was examined and models of stability and thixotropic module were calculated: the thixotropic behaviour of the emulsion depended on the structural characteristics of hydrophilic and hydrophobic moieties of the w/o surfactant molecule.

Lingua originaleInglese
pagine (da-a)13-25
Numero di pagine13
RivistaInternational Journal of Cosmetic Science
Volume17
Numero di pubblicazione1
DOI
Stato di pubblicazionePubblicato - feb 1995
Pubblicato esternamente

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