Subjects summarized in this literature review include neuropeptides and their impact on skin biology, toll-like receptors along with their contribution to the skin’s immune system, and the lack of UV protection by ordinary glass. Various reports from the 86th annual meeting of the British Association of Dermatology appear to suggest that efficacious preservative action in finished products may be more important than the absence of allergic reactions.
Formulating cosmetic practitioners must await future developments in the relatively new fields of neuroendocrinology. Compounders may have to await decisions by regulatory agencies. Follow-ups on new findings are not always obvious but may require some incubation before they can be exploited successfully.