Sunscreen formulas, self-tanners and bronzing dusts proliferate as northern regions cycle into summer. Some consumers want a tanned, summer glow to their skin, while others demand safeguarding it from UV radiation as skin cancer cases rise worldwide. Regardless of the season or the reason, photoaging and UV protection are major concerns in our industry.
This issue of C&T magazine is a documentary on all things sun. Nadim Shaath describes collective efforts to create new ingredients, products and techniques for the sun care industry. Formulas become more complicated by the addition of classical skin care benefits. Claire Mas-Chamberlin et al. discuss how active ingredients can help prevent sun damage or treat UV-induced age symptoms.
The use of water, emulsifiers and other components in a sunscreen formulation may allow the growth of microorganisms, according to Donald Orth, Ph.D. In his article, he explains how a preservative system can protect formulations from microbial contamination.