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Journal of Dispersion Science and Technology Volume 39, 2018 - Issue 8
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Original Articles

Development and evaluation of microencapsulated sunscreen

Letícia Caramori CefaliInstitute of Biology, University of Campinas (Unicamp), Campinas, São Paulo/BrazilCorrespondence[email protected]
,
Daniele Cristina Barbosa de OliveiraFaculty of Pharmacy, University Center Herminio Ometto (Uniararas), Araras, Campinas/Sao Paulo
,
Cristina Maria FranziniFaculty of Pharmacy, University Center Herminio Ometto (Uniararas), Araras, Campinas/Sao Paulo
,
Janaína Artem AtaídeFaculty of Medical Science, University of Campinas (Unicamp), Campinas, São Paulo/Brazil
,
Patrícia MorielFaculty of Medical Science, University of Campinas (Unicamp), Campinas, São Paulo/Brazil
&
Priscila Gava MazzolaFaculty of Medical Science, University of Campinas (Unicamp), Campinas, São Paulo/Brazil
Pages 1149-1152 | Received 21 Jul 2017, Accepted 25 Sep 2017, Published online: 08 Nov 2017
 
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ABSTRACT

The aim of the present study was to carry out stability tests and in vitro sun protection factor (SPF) evaluations of formulations containing free or microencapsulated chemical sun filters to improve their use. To this end, three formulations were developed and subjected to stability studies. The most stable formulation was chosen as a vehicle for free and microencapsulated chemical sun filters, and subjected to further stability studies and in vitro SPF assays. The SPF values were approximately 12 and 11 for formulations containing free and encapsulated sun filters, respectively, and both types were stable under stress. Chemical sun filters can be microencapsulated, which may aid in generating innovative sunscreen formulations.

GRAPHICAL ABSTRACT

Acknowledgment

The authors are grateful to the Brazilian fostering FAPESP, CAPES, and CNPq agencies for financially supporting this study.

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