Personal care major Beiersdorf has developed a collection of alternative UV filter blends for use in cosmetic applications and sunscreens that it says provide increased stability and address nano particle concerns.
Sunscreen formulations containing UV-filters such as octyl salicylate (OS) and homosalate (HS) may be breeding grounds for two pathogenic bacteria, Pseudomonas aeruginosa and Burkholderia cepacian, despite the presence of preservatives.