02 Jul 2018 --- Skin is the first line of defense against the assaults of nature, stress and time. But it needs nutrients just as the rest of the body does. A new randomized, double-blind, placebo-controlled clinical trial provides stronger evidence for the protective role of algal-derived astaxanthin against skin deterioration caused by ultraviolet (UV) light. FujiFilm’s research group conducted the research using Algatech Ltd.’s natural astaxanthin, already formulated in their branded supplement Astots.