• 1
    González, S., M. Fernández-Lorente and Y. Gilaberte-Calzada (2008) The latest on skin photoprotection. Clin. Dermatol. 26, 614626.
  • 2
    Chen, L., J. Y. Hu and S. Q. Wang (2012) The role of antioxidants in photoprotection: A critical review. J. Am. Acad. Dermatol. 67, 10131024.
  • 3
    Gasparro, F. P., M. Mitchnick and J. F. Nash (1998) A review of sunscreen safety and efficacy. Photochem. Photobiol. 68, 243256.
  • 4
    Serpone, N., D. Dondi and A. Albini (2007) Inorganic and organic UV filters: Their role and efficacy in sunscreens and suncare products. Inorg. Chim. Acta 360, 794802.
  • 5
    Vilela, F. M. P., Y. M. Fonseca, J. R. Jabor, F. T. M. C. Vicentini and M. J. V. Fonseca (2012) Effect of ultraviolet filters on skin superoxide dismutase activity in hairless mice after a single dose of ultraviolet radiation. Eur. J. Pharm. Biopharm. 80, 387392.
  • 6
    Chisvert, A., Z. León-González, I. Tarazona, A. Salvador and D. Giokas (2012) An overview of the analytical methods for the determination of organic ultraviolet filters in biological fluids and tissues. Anal. Chim. Acta 752, 1129.
  • 7
    Kockler, J., M. Oelgemöller, S. Robertson and B. D. Glass (2012) Photostability of sunscreens. J. Photochem. Photobiol., C 13, 91110.
  • 8
    Ou-Yang, H., J. Stanfield, C. Cole, Y. Appa and D. Rigel (2012) High-SPF sunscreens (SPF ≥ 70) may provide ultraviolet protection above minimal recommended levels by adequately compensating for lower sunscreen user application amounts. J. Am. Acad. Dermatol. 67, 12201227.
  • 9
    Díaz-Cruz, M. S., M. Llorca and D. Barceló (2008) Organic UV filters and their photodegradates, metabolites and disinfection by-products in the aquatic environment. TrAC, Trends Anal. Chem. 27, 873887.
  • 10
    Giokas, D. L., A. Salvador and A. Chisvert (2007) UV filters: From sunscreens to human body and the environment. TrAC, Trends Anal. Chem. 26, 360374.
  • 11
    Shi, L., J. Shan, Y. Ju, P. Aikens and R. K. Prud'homme (2012) Nanoparticles as delivery vehicles for sunscreen agents. Colloids Surf. A 396, 122129.
  • 12
    Wissing, S. A. and R. H. Müller (2002) The development of an improved carrier system for sunscreen formulations based on crystalline lipid nanoparticles. Int. J. Pharm. 242, 373375.
  • 13
    Müller, R. H., R. D. Petersen, A. Hommoss and J. Pardeike (2007) Nanostructured lipid carriers (NLC) in cosmetic dermal products. Adv. Drug Deliv. Rev. 59, 522530.
  • 14
    Nikolić, S., C. M. Keck, C. Anselmi and R. H. Müller (2011) Skin photoprotection improvement: Synergistic interaction between lipid nanoparticles and organic UV filters. Int. J. Pharm. 414, 276284.
  • 15
    Wissing, S. A. and R. H. Müller (2001) A novel sunscreen system based on tocopherol acetate incorporated into solid lipid nanoparticles. Int. J. Cosmet. Sci. 23, 233243.
  • 16
    Jee, J. P., S. J. Lim, J. S. Park and C. K. Kim (2006) Stabilization of all-trans retinol by loading lipophilic antioxidants in solid lipid nanoparticles. Eur. J. Pharm. Biopharm. 63, 134139.
  • 17
    Jenning, V., M. Schafer-Korting and S. Gohla (2000) Vitamin A-loaded solid lipid nanoparticles for topical use: Active release properties. J. Control. Release 66, 115126.
  • 18
    Wissing, S. A. and R. H. Müller (2002) Solid lipid nanoparticles as carrier for sunscreens: In vitro release and in vivo skin penetration. J. Control. Release 81, 225233.
  • 19
    Joshi, M. D. and R. H. Müller (2009) Lipid nanoparticles for parenteral delivery of actives. Eur. J. Pharm. Biopharm. 71, 161172.
  • 20
    Mehnert, W. and K. Mäder (2012) Solid lipid nanoparticles: Production, characterization and applications. Adv. Drug Deliv. Rev. 64, 83101.
  • 21
    Pardeike, J., A. Hommoss and R. H. Müller (2009) Lipid nanoparticles (SLN, NLC) in cosmetic and pharmaceutical dermal products. Int. J. Pharm. 366, 170184.
  • 22
    Müller, R. H., M. Radtke and S. A. Wissing (2002) Solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) in cosmetic and dermatological preparations. Adv. Drug Deliv. Rev. 54, S131S155.
  • 23
    Souto, E. B. and R. H. Muller (2008) Cosmetic features and applications of lipid nanoparticles (SLN, NLC). Int. J. Cosmet. Sci. 30, 157165.
  • 24
    Niculae, G., I. Lacatusu, N. Badea and A. Meghea (2012) Lipid nanoparticles based on butyl-methoxydibenzoylmethane: in vitro UVA blocking effect. Nanotechnology 23, 315704.
  • 25
    Chatelain, E. and B. Gabard (2001) Photostabilization of butyl methoxydibenzoylmethane (avobenzone) and ethylhexyl methoxycinnamate by bis-ethylhexyloxyphenol methoxyphenyl triazine (Tinosorb S), a new UV broadband filter. Photochem. Photobiol. 74, 401406.
  • 26
    Scalia, S. and M. Mezzena (2010) Photostabilization effect of quercetin on the UV filter combination, butyl methoxydibenzoylmethane–octyl methoxycinnamate. Photochem. Photobiol. 86, 273278.
  • 27
    Herzog, B., M. Wehrle and K. Quass (2009) Photostability of UV absorber systems in sunscreens. Photochem. Photobiol. 85, 869878.
  • 28
    Gaspar, L. R. and P. M. B. G. Maia Campos (2006) Evaluation of the photostability of different UV filter combinations in a sunscreen. Int. J. Pharm. 307, 123128.
  • 29
    Xia, Q., A. Saupe, R. H. Müller and E. B. Souto (2007) Nanostructured lipid carriers as novel carrier for sunscreen formulations. Int. J. Cosmet. Sci. 29, 473482.
  • 30
    Scalia, S. and M. Mezzena (2009) Incorporation in lipid microparticles of the UVA filter, butyl methoxydibenzoylmethane combined with the UVB filter, octocrylene: Effect on photostability. AAPS Pharm. Sci. Tech. 10, 384390.
  • 31
    Montenegro, L., M. G. Sarpietro, S. Ottimo, G. Puglisi and F. Castelli (2011) Differential scanning calorimetry studies on sunscreen loaded solid lipid nanoparticles prepared by the phase inversion temperature method. Int. J. Pharm. 415, 301306.
  • 32
    Lacatusu, I., N. Badea, A. Murariu and A. Meghea (2011) The encapsulation effect of UV molecular absorbers into biocompatible lipid nanoparticles. Nanoscale Res. Lett. 6, 73.
  • 33
    Singh Negi, J., P. Chattopadhyay, A. K. Sharma and V. Ram (2013) Development of solid lipid nanoparticles (SLNs) of lopinavir using hot self nano-emulsification (SNE) technique. Eur. J. Pharm. Sci. 48, 231239.
  • 34
    Lv, Q., A. Yu, Y. Xi, H. Li, Z. Song, J. Cui, F. Cao and G. Zhai (2009) Development and evaluation of penciclovir-loaded solid lipid nanoparticles for topical delivery. Int. J. Pharm. 372, 191198.
  • 35
    Tursilli, R., G. Piel, L. Delattre and S. Scalia (2007) Solid lipid microparticles containing the sunscreen agent, octyl-dimethylaminobenzoate: Effect of the vehicle. Eur. J. Pharm. Biopharm. 66, 483487.
  • 36
    Sanad, R. A., N. S. Abdel Malak and T. S. El-Bayoomy (2010) Formulation of a novel oxybenzone-loaded nanostructured lipid carriers (NLCs). AAPS Pharm. Sci. Tech. 11, 16841694.
  • 37
    Diffey, B. L. and J. J. Robson (1989) A new substrate to measure sunscreen protection factors throughout the ultraviolet spectrum. Soc. Cosmet. Chem. 40, 127133.
  • 38
    Garoli, D., M. Guglielmina Pelizzo, B. Bernardini, P. Nicolosi and M. Alaibac (2008) Sunscreen tests: Correspondence between in vitro data and values reported by the manufacturers. J. Dermatol. Sci. 52, 193204.
  • 39
    Villalobos-Hernández, R. and C. C. Müller-Goymann (2007) In vitro erythemal UV-A protection factors of inorganic sunscreens distributed in aqueous media using carnauba wax-decyl oleate nanoparticles. Eur. J. Pharm. Biopharm. 65, 122125.
  • 40
    Lacatusu, I., N. Badea, A. Murariu, D. Bojin and A. Meghea (2010) Effect of UV sunscreens loaded in solid lipid nanoparticles: A combinated SPF assay and photostability. Mol. Cryst. Liq. Cryst. 523, 247259.
  • 41
    Costa, P. and J. M. S. Lobo (2001) Modeling and comparison of dissolution profiles. Eur. J. Pharm. Sci. 13, 123133.
  • 42
    Kumbhar, D. D. and V. B. Pokharkar (2013) Engineering of a nanostructured lipid carrier for the poorly water-soluble drug, bicalutamide: Physicochemical investigations. Colloids Surf. A 416, 3242.
  • 43
    Villalobos-Hernández, J. R. and C. C Müller-Goymann (2005) Novel nanoparticulate carrier system based on carnauba wax and decyl oleate for the dispersion of inorganic sunscreens in aqueous media. Eur. J. Pharm. Biopharm. 60, 113122.
  • 44
    Hu, F. Q., S. P. Jiang, Y. Z. Du, H. Yuan, Y. Q. Ye and S. Zeng (2005) Preparation and characterization of stearic acid nanostructured lipid carriers by solvent diffusion method in an aqueous system. Colloids Surf. B 45, 167173.
  • 45
    Kaiser, D., A. Sieratowicz, H. Zielke, M. Oetken, H. Hollert and J. Oehlmann (2012) Ecotoxicological effect characterisation of widely used organic UV filters. Environ. Pollut. 163, 8490.
  • 46
    Schäfer-Korting, M., W. Mehnert and H. C. Korting (2007) Lipid nanoparticles for improved topical application of drugs for skin diseases. Adv. Drug Deliv. Rev. 59, 427443.
  • 47
    de Almeida, A. E., A. L. R. Souza, D. L. Cassimiro, M. P. D. Gremião, C. A. Ribeiro and M. S. Crespi (2012) Thermal characterization of solid lipid nanoparticles containing praziquantel. J. Therm. Anal. Calorim. 108, 333339.
  • 48
    Sanna, V., G. Caria and A. Mariani (2010) Effect of lipid nanoparticles containing fatty alcohols having different chain length on the ex vivo skin permeability of Econazole nitrate. Powder Technol. 201, 3236.
  • 49
    Teeranachaideekul, V., E. B. Souto, V. B. Junyaprasert and R. H. Müller (2007) Cetyl palmitate-based NLC for topical delivery of Coenzyme Q10 – Development, physicochemical characterization and in vitro release studies. Eur. J. Pharm. Biopharm. 67, 141148.
  • 50
    Lacatusu, I., N. Badea, O. Ovidiu, D. Bojin and A. Meghea (2012) Highly antioxidant carotene-lipid nanocarriers: Synthesis and antibacterial activity. J. Nanopart. Res. 14, 902.
  • 51
    Kovacevic, A., S. Savic, G. Vuleta, R. H. Müller and C. M. Keck (2011) Polyhydroxy surfactants for the formulation of lipid nanoparticles (SLN and NLC): Effects on size, physical stability and particle matrix structure. Int. J. Pharm. 406, 163172.
  • 52
    Hexsel, C. L., S. D. Bangert, A. A. Hebert and H. W. Lim (2008) Current sunscreen issues: 2007 Food and Drug Administration sunscreen labeling recommendations and combination sunscreen/insect repellent products. J. Am. Acad. Dermatol. 59, 316323.
  • 53
    Bose, S., Y. Du, P. Takhistov and B. Michniak-Kohn (2013) Formulation optimization and topical delivery of quercetin from solid lipid based nanosystems. Int. J. Pharm. 441, 5666.