Ingredients designed to afford sun protection are subject to worldwide legislation, which unfortunately is not helpful for progress towards new ultraviolet (UV) absorbers. In North America eight OTC sunscreen ingredients have been submitted to the FDA through the time and extant (TEA) process for review and approval but, at present, none of these reviews have been completed. It is not only the FDA that is delaying improved sunscreens; European manufacturers are still waiting approval for nano zinc oxide.
展开▼
