Topical sunscreens based on ingredients that, by one
means or another, prevent UV radiation from reaching skin cells have been in use for over 50 years. Rather
than focusing on filtering or blocking radiation, the
chief innovations in recent years have sought to prevent
or counteract the undesirable effects of solar radiation
on skin cells through the use of antioxidants and agents
such as those that favor the repair of damaged DNA.
Below, we will discuss the substances with topical
photoprotective effects that have come onto the market
in recent years.