254 JOURNAL OF COSMETIC SCIENCE
(20) Deuschle VCKN, Deuschle RAN, Bortoluzzi MR, Athayde ML. Physical chemistry evaluation of
stability, spreadability, in vitro antioxidant, and photo-protective capacities of topical formulations
containing Calendula officinalis L. leaf extract. Braz J Pharm Sci. 2015 51(1):63–75. doi:10.1590/
S1984-82502015000100007
(21) Mbanga L, Mpiana P, Mbala M, Ilinga L, et al. Comparative in vitro sun protection factor (SPF) values of
some herbal extracts found in Kinhasa by ultraviolet spectrophotometry. J Phys Chem Sci. 2015 2(4):1–6.
(20) Deuschle VCKN, Deuschle RAN, Bortoluzzi MR, Athayde ML. Physical chemistry evaluation of
stability, spreadability, in vitro antioxidant, and photo-protective capacities of topical formulations
containing Calendula officinalis L. leaf extract. Braz J Pharm Sci. 2015 51(1):63–75. doi:10.1590/
S1984-82502015000100007
(21) Mbanga L, Mpiana P, Mbala M, Ilinga L, et al. Comparative in vitro sun protection factor (SPF) values of
some herbal extracts found in Kinhasa by ultraviolet spectrophotometry. J Phys Chem Sci. 2015 2(4):1–6.




































































