1. Rheological additives;Clarke,1993
2. Choosing emollients and emulsifiers for sunscreen products;Dahms;Cosm. Toil.,1994
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4. When should sunscreen be reapplied;Diffey;J. Am. Acad. Dermatol.,2001
5. A new substrate to measure sunscreen protection factors throughout the ultraviolet spectrum;Diffey;J. Soc. Cosmet. Chem.,1989